Merge pull request #61 from TheLukasHenry/days-calculator-#51

added time between 2 dates #51

.idea/workspace.xml

@@ -4,9 +4,10 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="b30e2810-c4c1-4aad-b134-794e52cc1c7d" name="Changes" comment="chore: show new tools in landing">
+    <list default="true" id="b30e2810-c4c1-4aad-b134-794e52cc1c7d" name="Changes" comment="refactor: time between dates">
+      <change afterPath="$PROJECT_DIR$/src/pages/tools/time/time-between-dates/time-between-dates.service.test.ts" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/components/allTools/ToolCard.tsx" beforeDir="false" afterPath="$PROJECT_DIR$/src/components/allTools/ToolCard.tsx" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/pages/tools/time/time-between-dates/service.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/pages/tools/time/time-between-dates/service.ts" afterDir="false" />
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     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -23,7 +24,7 @@
     <option name="PUSH_AUTO_UPDATE" value="true" />
     <option name="RECENT_BRANCH_BY_REPOSITORY">
       <map>
-        <entry key="$PROJECT_DIR$" value="chesterkxng" />
+        <entry key="$PROJECT_DIR$" value="main" />
       </map>
     </option>
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
@@ -42,59 +43,66 @@
     &quot;state&quot;: &quot;OPEN&quot;
   }
 }</component>
-  <component name="GitHubPullRequestState">{
+  <component name="GitHubPullRequestState"><![CDATA[{
-  &quot;prStates&quot;: [
+  "prStates": [
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+        "id": "PR_kwDOMJIfts51PkS9",
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+        "number": 22
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-      &quot;lastSeen&quot;: 1741207144695
+      "lastSeen": 1741207144695
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+        "id": "PR_kwDOMJIfts6NiNYl",
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+        "number": 32
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-      &quot;lastSeen&quot;: 1741209723869
+      "lastSeen": 1741209723869
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-        &quot;id&quot;: &quot;PR_kwDOMJIfts6Nheyd&quot;,
+        "id": "PR_kwDOMJIfts6Nheyd",
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+        "number": 31
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-      &quot;lastSeen&quot;: 1741213371410
+      "lastSeen": 1741213371410
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-      &quot;id&quot;: {
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-        &quot;id&quot;: &quot;PR_kwDOMJIfts6NmRBs&quot;,
+        "id": "PR_kwDOMJIfts6NmRBs",
-        &quot;number&quot;: 33
+        "number": 33
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-      &quot;lastSeen&quot;: 1741282429036
+      "lastSeen": 1741282429036
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-      &quot;id&quot;: {
+      "id": {
-        &quot;id&quot;: &quot;PR_kwDOMJIfts5zyFTs&quot;,
+        "id": "PR_kwDOMJIfts5zyFTs",
-        &quot;number&quot;: 15
+        "number": 15
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-      &quot;lastSeen&quot;: 1741535540953
+      "lastSeen": 1741535540953
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-      &quot;id&quot;: {
+      "id": {
-        &quot;id&quot;: &quot;PR_kwDOMJIfts6QQB3c&quot;,
+        "id": "PR_kwDOMJIfts6QQB3c",
-        &quot;number&quot;: 59
+        "number": 59
       },
-      &quot;lastSeen&quot;: 1743018960900
+      "lastSeen": 1743018960900
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-      &quot;id&quot;: {
+      "id": {
-        &quot;id&quot;: &quot;PR_kwDOMJIfts6QMPEg&quot;,
+        "id": "PR_kwDOMJIfts6QMPEg",
-        &quot;number&quot;: 58
+        "number": 58
       },
-      &quot;lastSeen&quot;: 1743019452983
+      "lastSeen": 1743019452983
+    },
+    {
+      "id": {
+        "id": "PR_kwDOMJIfts6QZvRI",
+        "number": 61
+      },
+      "lastSeen": 1743103196866
     }
   ]
-}</component>
+}]]></component>
   <component name="GithubPullRequestsUISettings">{
   &quot;selectedUrlAndAccountId&quot;: {
     &quot;url&quot;: &quot;https://github.com/iib0011/omni-tools.git&quot;,
@@ -123,55 +131,56 @@
     <option name="hideEmptyMiddlePackages" value="true" />
     <option name="showLibraryContents" value="true" />
   </component>
-  <component name="PropertiesComponent">{
+  <component name="PropertiesComponent"><![CDATA[{
-  &quot;keyToString&quot;: {
+  "keyToString": {
-    &quot;ASKED_ADD_EXTERNAL_FILES&quot;: &quot;true&quot;,
+    "ASKED_ADD_EXTERNAL_FILES": "true",
-    &quot;ASKED_SHARE_PROJECT_CONFIGURATION_FILES&quot;: &quot;true&quot;,
+    "ASKED_SHARE_PROJECT_CONFIGURATION_FILES": "true",
-    &quot;Docker.Dockerfile build.executor&quot;: &quot;Run&quot;,
+    "Docker.Dockerfile build.executor": "Run",
-    &quot;Docker.Dockerfile.executor&quot;: &quot;Run&quot;,
+    "Docker.Dockerfile.executor": "Run",
-    &quot;Playwright.Create transparent PNG.should make png color transparent.executor&quot;: &quot;Run&quot;,
+    "Playwright.Create transparent PNG.should make png color transparent.executor": "Run",
-    &quot;Playwright.JoinText Component.executor&quot;: &quot;Run&quot;,
+    "Playwright.JoinText Component.executor": "Run",
-    &quot;Playwright.JoinText Component.should merge text pieces with specified join character.executor&quot;: &quot;Run&quot;,
+    "Playwright.JoinText Component.should merge text pieces with specified join character.executor": "Run",
-    &quot;RunOnceActivity.OpenProjectViewOnStart&quot;: &quot;true&quot;,
+    "RunOnceActivity.OpenProjectViewOnStart": "true",
-    &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
+    "RunOnceActivity.ShowReadmeOnStart": "true",
-    &quot;RunOnceActivity.git.unshallow&quot;: &quot;true&quot;,
+    "RunOnceActivity.git.unshallow": "true",
-    &quot;Vitest.compute function (1).executor&quot;: &quot;Run&quot;,
+    "Vitest.compute function (1).executor": "Run",
-    &quot;Vitest.compute function.executor&quot;: &quot;Run&quot;,
+    "Vitest.compute function.executor": "Run",
-    &quot;Vitest.mergeText.executor&quot;: &quot;Run&quot;,
+    "Vitest.mergeText.executor": "Run",
-    &quot;Vitest.mergeText.should merge lines and preserve blank lines when deleteBlankLines is false.executor&quot;: &quot;Run&quot;,
+    "Vitest.mergeText.should merge lines and preserve blank lines when deleteBlankLines is false.executor": "Run",
-    &quot;Vitest.mergeText.should merge lines, preserve blank lines and trailing spaces when both deleteBlankLines and deleteTrailingSpaces are false.executor&quot;: &quot;Run&quot;,
+    "Vitest.mergeText.should merge lines, preserve blank lines and trailing spaces when both deleteBlankLines and deleteTrailingSpaces are false.executor": "Run",
-    &quot;Vitest.parsePageRanges.executor&quot;: &quot;Run&quot;,
+    "Vitest.parsePageRanges.executor": "Run",
-    &quot;Vitest.removeDuplicateLines function.executor&quot;: &quot;Run&quot;,
+    "Vitest.removeDuplicateLines function.executor": "Run",
-    &quot;Vitest.removeDuplicateLines function.newlines option.executor&quot;: &quot;Run&quot;,
+    "Vitest.removeDuplicateLines function.newlines option.executor": "Run",
-    &quot;Vitest.removeDuplicateLines function.newlines option.should filter newlines when newlines is set to filter.executor&quot;: &quot;Run&quot;,
+    "Vitest.removeDuplicateLines function.newlines option.should filter newlines when newlines is set to filter.executor": "Run",
-    &quot;Vitest.replaceText function (regexp mode).should return the original text when passed an invalid regexp.executor&quot;: &quot;Run&quot;,
+    "Vitest.replaceText function (regexp mode).should return the original text when passed an invalid regexp.executor": "Run",
-    &quot;Vitest.replaceText function.executor&quot;: &quot;Run&quot;,
+    "Vitest.replaceText function.executor": "Run",
-    &quot;git-widget-placeholder&quot;: &quot;main&quot;,
+    "Vitest.timeBetweenDates.executor": "Run",
-    &quot;ignore.virus.scanning.warn.message&quot;: &quot;true&quot;,
+    "git-widget-placeholder": "fork/TheLukasHenry/days-calculator-#51",
-    &quot;kotlin-language-version-configured&quot;: &quot;true&quot;,
+    "ignore.virus.scanning.warn.message": "true",
-    &quot;last_opened_file_path&quot;: &quot;C:/Users/Ibrahima/IdeaProjects/omni-tools/src/components/input&quot;,
+    "kotlin-language-version-configured": "true",
-    &quot;node.js.detected.package.eslint&quot;: &quot;true&quot;,
+    "last_opened_file_path": "C:/Users/Ibrahima/IdeaProjects/omni-tools/src/components/input",
-    &quot;node.js.detected.package.tslint&quot;: &quot;true&quot;,
+    "node.js.detected.package.eslint": "true",
-    &quot;node.js.selected.package.eslint&quot;: &quot;(autodetect)&quot;,
+    "node.js.detected.package.tslint": "true",
-    &quot;node.js.selected.package.tslint&quot;: &quot;(autodetect)&quot;,
+    "node.js.selected.package.eslint": "(autodetect)",
-    &quot;nodejs_package_manager_path&quot;: &quot;npm&quot;,
+    "node.js.selected.package.tslint": "(autodetect)",
-    &quot;npm.build.executor&quot;: &quot;Run&quot;,
+    "nodejs_package_manager_path": "npm",
-    &quot;npm.dev.executor&quot;: &quot;Run&quot;,
+    "npm.build.executor": "Run",
-    &quot;npm.lint.executor&quot;: &quot;Run&quot;,
+    "npm.dev.executor": "Run",
-    &quot;npm.prebuild.executor&quot;: &quot;Run&quot;,
+    "npm.lint.executor": "Run",
-    &quot;npm.script:create:tool.executor&quot;: &quot;Run&quot;,
+    "npm.prebuild.executor": "Run",
-    &quot;npm.test.executor&quot;: &quot;Run&quot;,
+    "npm.script:create:tool.executor": "Run",
-    &quot;npm.test:e2e.executor&quot;: &quot;Run&quot;,
+    "npm.test.executor": "Run",
-    &quot;npm.test:e2e:run.executor&quot;: &quot;Run&quot;,
+    "npm.test:e2e.executor": "Run",
-    &quot;prettierjs.PrettierConfiguration.Package&quot;: &quot;C:\\Users\\Ibrahima\\IdeaProjects\\omni-tools\\node_modules\\prettier&quot;,
+    "npm.test:e2e:run.executor": "Run",
-    &quot;project.structure.last.edited&quot;: &quot;Problems&quot;,
+    "prettierjs.PrettierConfiguration.Package": "C:\\Users\\Ibrahima\\IdeaProjects\\omni-tools\\node_modules\\prettier",
-    &quot;project.structure.proportion&quot;: &quot;0.0&quot;,
+    "project.structure.last.edited": "Problems",
-    &quot;project.structure.side.proportion&quot;: &quot;0.2&quot;,
+    "project.structure.proportion": "0.0",
-    &quot;settings.editor.selected.configurable&quot;: &quot;refactai_advanced_settings&quot;,
+    "project.structure.side.proportion": "0.2",
-    &quot;ts.external.directory.path&quot;: &quot;C:\\Users\\Ibrahima\\IdeaProjects\\omni-tools\\node_modules\\typescript\\lib&quot;,
+    "settings.editor.selected.configurable": "refactai_advanced_settings",
-    &quot;vue.rearranger.settings.migration&quot;: &quot;true&quot;
+    "ts.external.directory.path": "C:\\Users\\Ibrahima\\IdeaProjects\\omni-tools\\node_modules\\typescript\\lib",
+    "vue.rearranger.settings.migration": "true"
   }
-}</component>
+}]]></component>
   <component name="ReactDesignerToolWindowState">
     <option name="myId2Visible">
       <map>
@@ -197,17 +206,17 @@
       <recent name="C:\Users\HP\IdeaProjects\omni-tools\src\components\options" />
     </key>
   </component>
-  <component name="RunManager" selected="npm.dev">
+  <component name="RunManager" selected="Vitest.calculateTimeBetweenDates">
-    <configuration name="Create transparent PNG.should make png color transparent" type="JavaScriptTestRunnerPlaywright" temporary="true" nameIsGenerated="true">
+    <configuration name="calculateTimeBetweenDates" type="JavaScriptTestRunnerVitest" temporary="true" nameIsGenerated="true">
       <node-interpreter value="project" />
-      <playwright-package value="$PROJECT_DIR$/node_modules/@playwright/test" />
+      <vitest-package value="$PROJECT_DIR$/node_modules/vitest" />
       <working-dir value="$PROJECT_DIR$" />
+      <vitest-options value="--run" />
       <envs />
-      <scope-kind value="TEST" />
+      <scope-kind value="SUITE" />
-      <test-file value="$PROJECT_DIR$/src/pages/tools/image/png/create-transparent/create-transparent.e2e.spec.ts" />
+      <test-file value="$PROJECT_DIR$/src/pages/tools/time/time-between-dates/time-between-dates.service.test.ts" />
       <test-names>
-        <test-name value="Create transparent PNG" />
+        <test-name value="calculateTimeBetweenDates" />
-        <test-name value="should make png color transparent" />
       </test-names>
       <method v="2" />
     </configuration>
@@ -238,6 +247,19 @@
       </test-names>
       <method v="2" />
     </configuration>
+    <configuration name="timeBetweenDates" type="JavaScriptTestRunnerVitest" temporary="true" nameIsGenerated="true">
+      <node-interpreter value="project" />
+      <vitest-package value="$PROJECT_DIR$/node_modules/vitest" />
+      <working-dir value="$PROJECT_DIR$" />
+      <vitest-options value="--run" />
+      <envs />
+      <scope-kind value="SUITE" />
+      <test-file value="$PROJECT_DIR$/src/pages/tools/time/time-between-dates/time-between-dates.service.test.ts" />
+      <test-names>
+        <test-name value="timeBetweenDates" />
+      </test-names>
+      <method v="2" />
+    </configuration>
     <configuration default="true" type="docker-deploy" factoryName="dockerfile" temporary="true">
       <deployment type="dockerfile">
         <settings />
@@ -254,30 +276,20 @@
       <envs />
       <method v="2" />
     </configuration>
-    <configuration name="test:e2e" type="js.build_tools.npm" temporary="true" nameIsGenerated="true">
-      <package-json value="$PROJECT_DIR$/package.json" />
-      <command value="run" />
-      <scripts>
-        <script value="test:e2e" />
-      </scripts>
-      <node-interpreter value="project" />
-      <envs />
-      <method v="2" />
-    </configuration>
     <list>
-      <item itemvalue="npm.test:e2e" />
       <item itemvalue="npm.dev" />
-      <item itemvalue="Playwright.Create transparent PNG.should make png color transparent" />
+      <item itemvalue="Vitest.calculateTimeBetweenDates" />
+      <item itemvalue="Vitest.timeBetweenDates" />
       <item itemvalue="Vitest.parsePageRanges" />
       <item itemvalue="Vitest.replaceText function (regexp mode).should return the original text when passed an invalid regexp" />
     </list>
     <recent_temporary>
       <list>
+        <item itemvalue="Vitest.calculateTimeBetweenDates" />
+        <item itemvalue="Vitest.timeBetweenDates" />
         <item itemvalue="npm.dev" />
         <item itemvalue="Vitest.replaceText function (regexp mode).should return the original text when passed an invalid regexp" />
         <item itemvalue="Vitest.parsePageRanges" />
-        <item itemvalue="Playwright.Create transparent PNG.should make png color transparent" />
-        <item itemvalue="npm.test:e2e" />
       </list>
     </recent_temporary>
   </component>
@@ -363,22 +375,7 @@
       <workItem from="1741971589699" duration="371000" />
       <workItem from="1743018497879" duration="3895000" />
       <workItem from="1743047367993" duration="986000" />
-    </task>
+      <workItem from="1743103182313" duration="4264000" />
-    <task id="LOCAL-00122" summary="fix: bg">
-      <option name="closed" value="true" />
-      <created>1740504100676</created>
-      <option name="number" value="00122" />
-      <option name="presentableId" value="LOCAL-00122" />
-      <option name="project" value="LOCAL" />
-      <updated>1740504100676</updated>
-    </task>
-    <task id="LOCAL-00123" summary="fix: bg">
-      <option name="closed" value="true" />
-      <created>1740505390205</created>
-      <option name="number" value="00123" />
-      <option name="presentableId" value="LOCAL-00123" />
-      <option name="project" value="LOCAL" />
-      <updated>1740505390205</updated>
     </task>
     <task id="LOCAL-00124" summary="docs: readme">
       <option name="closed" value="true" />
@@ -756,7 +753,23 @@
       <option name="project" value="LOCAL" />
       <updated>1743051792459</updated>
     </task>
-    <option name="localTasksCounter" value="171" />
+    <task id="LOCAL-00171" summary="chore: zoom on hover">
+      <option name="closed" value="true" />
+      <created>1743052111988</created>
+      <option name="number" value="00171" />
+      <option name="presentableId" value="LOCAL-00171" />
+      <option name="project" value="LOCAL" />
+      <updated>1743052111988</updated>
+    </task>
+    <task id="LOCAL-00172" summary="refactor: time between dates">
+      <option name="closed" value="true" />
+      <created>1743106796406</created>
+      <option name="number" value="00172" />
+      <option name="presentableId" value="LOCAL-00172" />
+      <option name="project" value="LOCAL" />
+      <updated>1743106796406</updated>
+    </task>
+    <option name="localTasksCounter" value="173" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -803,8 +816,6 @@
     <option name="CHECK_CODE_SMELLS_BEFORE_PROJECT_COMMIT" value="false" />
     <option name="CHECK_NEW_TODO" value="false" />
     <option name="ADD_EXTERNAL_FILES_SILENTLY" value="true" />
-    <MESSAGE value="fix: replace text service" />
-    <MESSAGE value="chore: smooth scroll for use this tool and examles" />
     <MESSAGE value="feat: minify json" />
     <MESSAGE value="feat: stringify json" />
     <MESSAGE value="feat: arithmetic sequence" />
@@ -828,7 +839,9 @@
     <MESSAGE value="chore: result file name" />
     <MESSAGE value="chore: text result extensions" />
     <MESSAGE value="chore: show new tools in landing" />
-    <option name="LAST_COMMIT_MESSAGE" value="chore: show new tools in landing" />
+    <MESSAGE value="chore: zoom on hover" />
+    <MESSAGE value="refactor: time between dates" />
+    <option name="LAST_COMMIT_MESSAGE" value="refactor: time between dates" />
   </component>
   <component name="XSLT-Support.FileAssociations.UIState">
     <expand />

src/pages/tools/time/index.ts

@@ -1,13 +1,16 @@
+import { tool as timeBetweenDates } from './time-between-dates/meta';
 import { tool as daysDoHours } from './convert-days-to-hours/meta';
 import { tool as hoursToDays } from './convert-hours-to-days/meta';
 import { tool as convertSecondsToTime } from './convert-seconds-to-time/meta';
 import { tool as convertTimetoSeconds } from './convert-time-to-seconds/meta';
 import { tool as truncateClockTime } from './truncate-clock-time/meta';
 
+
 export const timeTools = [
   daysDoHours,
   hoursToDays,
   convertSecondsToTime,
   convertTimetoSeconds,
-  truncateClockTime
+  truncateClockTime,
+  timeBetweenDates
 ];

src/pages/tools/time/time-between-dates/index.tsx

@@ -0,0 +1,250 @@
+import { Box, Paper, Typography } from '@mui/material';
+import React, { useState } from 'react';
+import ToolContent from '@components/ToolContent';
+import TextFieldWithDesc from '@components/options/TextFieldWithDesc';
+import SelectWithDesc from '@components/options/SelectWithDesc';
+import {
+  calculateTimeBetweenDates,
+  formatTimeWithLargestUnit,
+  getTimeWithTimezone,
+  unitHierarchy
+} from './service';
+import * as Yup from 'yup';
+import { CardExampleType } from '@components/examples/ToolExamples';
+
+type TimeUnit =
+  | 'milliseconds'
+  | 'seconds'
+  | 'minutes'
+  | 'hours'
+  | 'days'
+  | 'months'
+  | 'years';
+
+type InitialValuesType = {
+  startDate: string;
+  startTime: string;
+  endDate: string;
+  endTime: string;
+  startTimezone: string;
+  endTimezone: string;
+};
+
+const initialValues: InitialValuesType = {
+  startDate: new Date().toISOString().split('T')[0],
+  startTime: '00:00',
+  endDate: new Date().toISOString().split('T')[0],
+  endTime: '12:00',
+  startTimezone: 'local',
+  endTimezone: 'local'
+};
+
+const validationSchema = Yup.object({
+  startDate: Yup.string().required('Start date is required'),
+  startTime: Yup.string().required('Start time is required'),
+  endDate: Yup.string().required('End date is required'),
+  endTime: Yup.string().required('End time is required'),
+  startTimezone: Yup.string(),
+  endTimezone: Yup.string()
+});
+
+const timezoneOptions = [
+  { value: 'local', label: 'Local Time' },
+  ...Intl.supportedValuesOf('timeZone')
+    .map((tz) => {
+      const formatter = new Intl.DateTimeFormat('en', {
+        timeZone: tz,
+        timeZoneName: 'shortOffset'
+      });
+
+      const offset =
+        formatter
+          .formatToParts(new Date())
+          .find((part) => part.type === 'timeZoneName')?.value || '';
+
+      return {
+        value: offset.replace('UTC', 'GMT'),
+        label: `${offset.replace('UTC', 'GMT')} (${tz})`
+      };
+    })
+    .sort((a, b) =>
+      a.value.localeCompare(b.value, undefined, { numeric: true })
+    )
+];
+
+const exampleCards: CardExampleType<InitialValuesType>[] = [
+  {
+    title: 'One Year Difference',
+    description: 'Calculate the time between dates that are one year apart',
+    sampleOptions: {
+      startDate: '2023-01-01',
+      startTime: '12:00',
+      endDate: '2024-01-01',
+      endTime: '12:00',
+      startTimezone: 'local',
+      endTimezone: 'local'
+    },
+    sampleResult: '1 year'
+  },
+  {
+    title: 'Different Timezones',
+    description: 'Calculate the time difference between New York and London',
+    sampleOptions: {
+      startDate: '2023-01-01',
+      startTime: '12:00',
+      endDate: '2023-01-01',
+      endTime: '12:00',
+      startTimezone: 'GMT-5',
+      endTimezone: 'GMT'
+    },
+    sampleResult: '5 hours'
+  },
+  {
+    title: 'Detailed Time Breakdown',
+    description: 'Show a detailed breakdown of a time difference',
+    sampleOptions: {
+      startDate: '2023-01-01',
+      startTime: '09:30',
+      endDate: '2023-01-03',
+      endTime: '14:45',
+      startTimezone: 'local',
+      endTimezone: 'local'
+    },
+    sampleResult: '2 days, 5 hours, 15 minutes'
+  }
+];
+
+export default function TimeBetweenDates() {
+  const [result, setResult] = useState<string>('');
+
+  return (
+    <ToolContent
+      title="Time Between Dates"
+      inputComponent={null}
+      resultComponent={
+        result ? (
+          <Paper
+            elevation={3}
+            sx={{
+              p: 3,
+              borderLeft: '5px solid',
+              borderColor: 'primary.main',
+              bgcolor: 'background.paper',
+              maxWidth: '100%',
+              mx: 'auto'
+            }}
+          >
+            <Typography
+              variant="h4"
+              align="center"
+              sx={{ fontWeight: 'bold', color: 'primary.main' }}
+            >
+              {result}
+            </Typography>
+          </Paper>
+        ) : null
+      }
+      initialValues={initialValues}
+      validationSchema={validationSchema}
+      exampleCards={exampleCards}
+      toolInfo={{
+        title: 'Time Between Dates Calculator',
+        description:
+          'Calculate the exact time difference between two dates and times, with support for different timezones. This tool provides a detailed breakdown of the time difference in various units (years, months, days, hours, minutes, and seconds).'
+      }}
+      getGroups={({ values, updateField }) => [
+        {
+          title: 'Start Date & Time',
+          component: (
+            <Box>
+              <TextFieldWithDesc
+                description="Start Date"
+                value={values.startDate}
+                onOwnChange={(val) => updateField('startDate', val)}
+                type="date"
+              />
+              <TextFieldWithDesc
+                description="Start Time"
+                value={values.startTime}
+                onOwnChange={(val) => updateField('startTime', val)}
+                type="time"
+              />
+              <SelectWithDesc
+                description="Start Timezone"
+                selected={values.startTimezone}
+                onChange={(val: string) => updateField('startTimezone', val)}
+                options={timezoneOptions}
+              />
+            </Box>
+          )
+        },
+        {
+          title: 'End Date & Time',
+          component: (
+            <Box>
+              <TextFieldWithDesc
+                description="End Date"
+                value={values.endDate}
+                onOwnChange={(val) => updateField('endDate', val)}
+                type="date"
+              />
+              <TextFieldWithDesc
+                description="End Time"
+                value={values.endTime}
+                onOwnChange={(val) => updateField('endTime', val)}
+                type="time"
+              />
+              <SelectWithDesc
+                description="End Timezone"
+                selected={values.endTimezone}
+                onChange={(val: string) => updateField('endTimezone', val)}
+                options={timezoneOptions}
+              />
+            </Box>
+          )
+        }
+      ]}
+      compute={(values) => {
+        try {
+          const startDateTime = getTimeWithTimezone(
+            values.startDate,
+            values.startTime,
+            values.startTimezone
+          );
+
+          const endDateTime = getTimeWithTimezone(
+            values.endDate,
+            values.endTime,
+            values.endTimezone
+          );
+
+          // Calculate time difference
+          const difference = calculateTimeBetweenDates(
+            startDateTime,
+            endDateTime
+          );
+
+          // Auto-determine the best unit to display based on the time difference
+          const bestUnit: TimeUnit =
+            unitHierarchy.find((unit) => difference[unit] > 0) ||
+            'milliseconds';
+
+          const formattedDifference = formatTimeWithLargestUnit(
+            difference,
+            bestUnit
+          );
+
+          setResult(formattedDifference);
+        } catch (error) {
+          setResult(
+            `Error: ${
+              error instanceof Error
+                ? error.message
+                : 'Failed to calculate time difference'
+            }`
+          );
+        }
+      }}
+    />
+  );
+}

src/pages/tools/time/time-between-dates/meta.ts

@@ -0,0 +1,22 @@
+import { defineTool } from '@tools/defineTool';
+import { lazy } from 'react';
+
+export const tool = defineTool('time', {
+  name: 'Time Between Dates',
+  path: 'time-between-dates',
+  icon: 'mdi:calendar-clock',
+  description:
+    'Calculate the exact time difference between two dates and times, with support for different timezones. This tool provides a detailed breakdown of the time difference in various units (years, months, days, hours, minutes, and seconds).',
+  shortDescription:
+    'Calculate the precise time duration between two dates with timezone support.',
+  keywords: [
+    'time',
+    'dates',
+    'difference',
+    'duration',
+    'calculator',
+    'timezones',
+    'interval'
+  ],
+  component: lazy(() => import('./index'))
+});

src/pages/tools/time/time-between-dates/service.ts

@@ -0,0 +1,129 @@
+export const unitHierarchy = [
+  'years',
+  'months',
+  'days',
+  'hours',
+  'minutes',
+  'seconds',
+  'milliseconds'
+] as const;
+
+export type TimeUnit = (typeof unitHierarchy)[number];
+export type TimeDifference = Record<TimeUnit, number>;
+
+export const calculateTimeBetweenDates = (
+  startDate: Date,
+  endDate: Date
+): TimeDifference => {
+  if (endDate < startDate) {
+    const temp = startDate;
+    startDate = endDate;
+    endDate = temp;
+  }
+
+  const milliseconds = endDate.getTime() - startDate.getTime();
+  const seconds = Math.floor(milliseconds / 1000);
+  const minutes = Math.floor(seconds / 60);
+  const hours = Math.floor(minutes / 60);
+  const days = Math.floor(hours / 24);
+
+  // Approximate months and years
+  const startYear = startDate.getFullYear();
+  const startMonth = startDate.getMonth();
+  const endYear = endDate.getFullYear();
+  const endMonth = endDate.getMonth();
+
+  const months = (endYear - startYear) * 12 + (endMonth - startMonth);
+  const years = Math.floor(months / 12);
+
+  return {
+    milliseconds,
+    seconds,
+    minutes,
+    hours,
+    days,
+    months,
+    years
+  };
+};
+
+export const formatTimeDifference = (
+  difference: TimeDifference,
+  includeUnits: TimeUnit[] = unitHierarchy.slice(0, -1)
+): string => {
+  const timeUnits: { key: TimeUnit; value: number; divisor?: number }[] = [
+    { key: 'years', value: difference.years },
+    { key: 'months', value: difference.months, divisor: 12 },
+    { key: 'days', value: difference.days, divisor: 30 },
+    { key: 'hours', value: difference.hours, divisor: 24 },
+    { key: 'minutes', value: difference.minutes, divisor: 60 },
+    { key: 'seconds', value: difference.seconds, divisor: 60 }
+  ];
+
+  const parts = timeUnits
+    .filter(({ key }) => includeUnits.includes(key))
+    .map(({ key, value, divisor }) => {
+      const remaining = divisor ? value % divisor : value;
+      return remaining > 0 ? `${remaining} ${key}` : '';
+    })
+    .filter(Boolean);
+
+  if (parts.length === 0) {
+    if (includeUnits.includes('milliseconds')) {
+      return `${difference.milliseconds} millisecond${
+        difference.milliseconds === 1 ? '' : 's'
+      }`;
+    }
+    return '0 seconds';
+  }
+
+  return parts.join(', ');
+};
+
+export const getTimeWithTimezone = (
+  dateString: string,
+  timeString: string,
+  timezone: string
+): Date => {
+  // Combine date and time
+  const dateTimeString = `${dateString}T${timeString}Z`; // Append 'Z' to enforce UTC parsing
+  const utcDate = new Date(dateTimeString);
+
+  if (isNaN(utcDate.getTime())) {
+    throw new Error('Invalid date or time format');
+  }
+
+  // If timezone is "local", return the local date
+  if (timezone === 'local') {
+    return utcDate;
+  }
+
+  // Extract offset from timezone (e.g., "GMT+5:30" or "GMT-4")
+  const match = timezone.match(/^GMT(?:([+-]\d{1,2})(?::(\d{2}))?)?$/);
+  if (!match) {
+    throw new Error('Invalid timezone format');
+  }
+
+  const offsetHours = match[1] ? parseInt(match[1], 10) : 0;
+  const offsetMinutes = match[2] ? parseInt(match[2], 10) : 0;
+
+  const totalOffsetMinutes =
+    offsetHours * 60 + (offsetHours < 0 ? -offsetMinutes : offsetMinutes);
+
+  // Adjust the UTC date by the timezone offset
+  return new Date(utcDate.getTime() - totalOffsetMinutes * 60 * 1000);
+};
+
+// Helper function to format time based on largest unit
+export const formatTimeWithLargestUnit = (
+  difference: TimeDifference,
+  largestUnit: TimeUnit
+): string => {
+  const largestUnitIndex = unitHierarchy.indexOf(largestUnit);
+  const unitsToInclude = unitHierarchy.slice(largestUnitIndex);
+
+  // Preserve only whole values, do not apply fractional conversions
+  const adjustedDifference: TimeDifference = { ...difference };
+
+  return formatTimeDifference(adjustedDifference, unitsToInclude);
+};

src/pages/tools/time/time-between-dates/time-between-dates.service.test.ts

@@ -0,0 +1,96 @@
+import { describe, expect, it } from 'vitest';
+import {
+  calculateTimeBetweenDates,
+  formatTimeDifference,
+  formatTimeWithLargestUnit,
+  getTimeWithTimezone
+} from './service';
+
+// Utility function to create a date
+const createDate = (
+  year: number,
+  month: number,
+  day: number,
+  hours = 0,
+  minutes = 0,
+  seconds = 0
+) => new Date(Date.UTC(year, month - 1, day, hours, minutes, seconds));
+describe('calculateTimeBetweenDates', () => {
+  it('should calculate the correct time difference', () => {
+    const startDate = createDate(2023, 1, 1);
+    const endDate = createDate(2024, 1, 1);
+    const result = calculateTimeBetweenDates(startDate, endDate);
+
+    expect(result.years).toBe(1);
+    expect(result.months).toBe(12);
+    expect(result.days).toBeGreaterThanOrEqual(365);
+  });
+
+  it('should swap dates if startDate is after endDate', () => {
+    const startDate = createDate(2024, 1, 1);
+    const endDate = createDate(2023, 1, 1);
+    const result = calculateTimeBetweenDates(startDate, endDate);
+    expect(result.years).toBe(1);
+  });
+});
+
+describe('formatTimeDifference', () => {
+  it('should format time difference correctly', () => {
+    const difference = {
+      years: 1,
+      months: 2,
+      days: 10,
+      hours: 5,
+      minutes: 30,
+      seconds: 0,
+      milliseconds: 0
+    };
+    expect(formatTimeDifference(difference)).toBe(
+      '1 years, 2 months, 10 days, 5 hours, 30 minutes'
+    );
+  });
+
+  it('should return 0 seconds if all values are zero', () => {
+    expect(
+      formatTimeDifference({
+        years: 0,
+        months: 0,
+        days: 0,
+        hours: 0,
+        minutes: 0,
+        seconds: 0,
+        milliseconds: 0
+      })
+    ).toBe('0 seconds');
+  });
+});
+
+describe('getTimeWithTimezone', () => {
+  it('should convert UTC date to specified timezone', () => {
+    const date = getTimeWithTimezone('2025-03-27', '12:00:00', 'GMT+2');
+    expect(date.getUTCHours()).toBe(10); // 12:00 GMT+2 is 10:00 UTC
+  });
+
+  it('should throw error for invalid timezone', () => {
+    expect(() =>
+      getTimeWithTimezone('2025-03-27', '12:00:00', 'INVALID')
+    ).toThrow('Invalid timezone format');
+  });
+});
+
+describe('formatTimeWithLargestUnit', () => {
+  it('should format time with the largest unit', () => {
+    const difference = {
+      years: 0,
+      months: 1,
+      days: 15,
+      hours: 12,
+      minutes: 0,
+      seconds: 0,
+      milliseconds: 0
+    };
+    expect(formatTimeWithLargestUnit(difference, 'days')).toContain(
+      '15 days, 12 hours'
+    );
+  });
+});

src/tools/defineTool.tsx

@@ -21,6 +21,7 @@ export type ToolCategory =
   | 'video'
   | 'list'
   | 'json'
+  | 'time'
   | 'csv'
   | 'time'
   | 'pdf';

src/tools/index.ts

@@ -66,6 +66,12 @@ const categoriesConfig: {
     value:
       'Tools for working with JSON data structures – prettify and minify JSON objects, flatten JSON arrays, stringify JSON values, analyze data, and much more'
   },
+  {
+    type: 'time',
+    icon: 'mdi:clock-time-five',
+    value:
+      'Tools for working with time and date – calculate time differences, convert between time zones, format dates, generate date sequences, and much more.'
+  },
   {
     type: 'csv',
     icon: 'material-symbols-light:csv-outline',