diff --git a/convex/constants.ts b/convex/constants.ts
index c8cd4ae..d725e8e 100644
--- a/convex/constants.ts
+++ b/convex/constants.ts
@@ -3,13 +3,16 @@ import {
   RiAccountCircleLine,
   RiAtLine,
   RiBankLine,
+  RiCalendar2Line,
   RiCalendarLine,
+  RiCalendarScheduleLine,
   RiChat3Line,
   RiCheckboxBlankCircleLine,
   RiCheckboxCircleFill,
   RiCheckboxLine,
   RiComputerLine,
   RiDropdownList,
+  RiFlashlightLine,
   RiFolderCheckLine,
   RiFolderLine,
   RiGamepadLine,
@@ -159,6 +162,7 @@ export const GROUP_QUESTS_BY = {
   dateAdded: "Date added",
   category: "Category",
   status: "Status",
+  timeRequired: "Time required",
 } as const;
 export type GroupQuestsBy = keyof typeof GROUP_QUESTS_BY;
 
@@ -166,10 +170,10 @@ export type GroupQuestsBy = keyof typeof GROUP_QUESTS_BY;
  * Generic group details.
  * Used for UI display of filter groups.
  */
-interface GroupDetails {
+export type GroupDetails = {
   label: string;
   icon: RemixiconComponentType;
-}
+};
 
 /**
  * Categories.
@@ -336,23 +340,42 @@ export type Cost = {
 };
 
 /**
- * Estimated time units.
- * Used to display estimated time in quest details.
+ * Time units.
+ * Used to display time required in quest details.
  */
-export const TIME_UNITS = {
-  minutes: "Minutes",
-  hours: "Hours",
-  days: "Days",
-  weeks: "Weeks",
-  months: "Months",
-} as const;
+export type TimeUnit = "minutes" | "hours" | "days" | "weeks" | "months";
+
+export const TIME_UNITS: Record<TimeUnit, GroupDetails> = {
+  minutes: {
+    label: "Minutes",
+    icon: RiFlashlightLine,
+  },
+  hours: {
+    label: "Hours",
+    icon: RiTimeLine,
+  },
+  days: {
+    label: "Days",
+    icon: RiCalendarLine,
+  },
+  weeks: {
+    label: "Weeks",
+    icon: RiCalendar2Line,
+  },
+  months: {
+    label: "Months",
+    icon: RiCalendarScheduleLine,
+  },
+};
 
-export type TimeRequiredUnit = keyof typeof TIME_UNITS;
+export const TIME_UNITS_ORDER: TimeUnit[] = Object.keys(
+  TIME_UNITS,
+) as TimeUnit[];
 
 export type TimeRequired = {
   min: number;
   max: number;
-  unit: TimeRequiredUnit;
+  unit: TimeUnit;
 };
 
 export const DEFAULT_TIME_REQUIRED: TimeRequired = {
diff --git a/convex/userQuests.ts b/convex/userQuests.ts
index 1f6025d..f2f9505 100644
--- a/convex/userQuests.ts
+++ b/convex/userQuests.ts
@@ -1,6 +1,6 @@
 import { v } from "convex/values";
 import { query } from "./_generated/server";
-import { type Category, STATUS, type Status } from "./constants";
+import { type Category, STATUS, type Status, type TimeUnit } from "./constants";
 import { userMutation, userQuery } from "./helpers";
 import { status } from "./validators";
 
@@ -319,7 +319,7 @@ export const getUserQuestsByStatus = userQuery({
     );
 
     // Initialize an object with all possible status keys
-    const initial: Record<string, typeof validQuests> = {
+    const initial: Record<Status, typeof validQuests> = {
       notStarted: [],
       inProgress: [],
       readyToFile: [],
@@ -329,8 +329,49 @@ export const getUserQuestsByStatus = userQuery({
 
     // Group quests by their status
     return validQuests.reduce((acc, quest) => {
-      acc[quest.status].push(quest);
+      acc[quest.status as Status].push(quest);
       return acc;
     }, initial);
   },
 });
+
+export const getUserQuestsByTimeRequired = userQuery({
+  args: {},
+  handler: async (ctx) => {
+    const userQuests = await ctx.db
+      .query("userQuests")
+      .withIndex("userId", (q) => q.eq("userId", ctx.userId))
+      .collect();
+
+    const questsWithDetails = await Promise.all(
+      userQuests.map(async (userQuest) => {
+        const quest = await ctx.db.get(userQuest.questId);
+        return quest && quest.deletionTime === undefined
+          ? { ...quest, ...userQuest }
+          : null;
+      }),
+    );
+
+    const validQuests = questsWithDetails.filter(
+      (q): q is NonNullable<typeof q> => q !== null,
+    );
+
+    // Initialize an object with all possible time required keys
+    const initial: Record<TimeUnit, typeof validQuests> = {
+      minutes: [],
+      hours: [],
+      days: [],
+      weeks: [],
+      months: [],
+    };
+
+    // Group quests by their time required unit
+    const group = validQuests.reduce((acc, quest) => {
+      acc[quest.timeRequired.unit as TimeUnit].push(quest);
+      return acc;
+    }, initial);
+
+    console.log("group", group);
+    return group;
+  },
+});
diff --git a/src/routes/_authenticated/_home.tsx b/src/routes/_authenticated/_home.tsx
index 9de1e9c..7c6e185 100644
--- a/src/routes/_authenticated/_home.tsx
+++ b/src/routes/_authenticated/_home.tsx
@@ -24,10 +24,14 @@ import {
   DATE_ADDED,
   DATE_ADDED_ORDER,
   type DateAdded,
+  type GroupDetails,
   type GroupQuestsBy,
   STATUS,
   STATUS_ORDER,
   type Status,
+  TIME_UNITS,
+  TIME_UNITS_ORDER,
+  type TimeUnit,
 } from "@convex/constants";
 import { RiAddLine, RiListCheck2, RiSignpostLine } from "@remixicon/react";
 import { Outlet, createFileRoute } from "@tanstack/react-router";
@@ -61,6 +65,11 @@ function sortGroupedQuests(
       const indexB = DATE_ADDED_ORDER.indexOf(groupB as DateAdded);
       return indexA - indexB;
     }
+    case "timeRequired": {
+      const indexA = TIME_UNITS_ORDER.indexOf(groupA as TimeUnit);
+      const indexB = TIME_UNITS_ORDER.indexOf(groupB as TimeUnit);
+      return indexA - indexB;
+    }
   }
 }
 
@@ -85,11 +94,15 @@ function IndexRoute() {
     const questsByCategory = useQuery(api.userQuests.getUserQuestsByCategory);
     const questsByDate = useQuery(api.userQuests.getUserQuestsByDate);
     const questsByStatus = useQuery(api.userQuests.getUserQuestsByStatus);
+    const questsByTimeRequired = useQuery(
+      api.userQuests.getUserQuestsByTimeRequired,
+    );
 
     const groupedQuests = {
       category: questsByCategory,
       dateAdded: questsByDate,
       status: questsByStatus,
+      timeRequired: questsByTimeRequired,
     }[groupByValue];
 
     if (groupedQuests === undefined) return;
@@ -111,8 +124,9 @@ function IndexRoute() {
 
     const allCategoryKeys = [
       ...Object.values(CATEGORIES).map((category) => category.label),
-      ...Object.values(DATE_ADDED).map((date) => date.label),
       ...Object.values(STATUS).map((status) => status.label),
+      ...Object.values(DATE_ADDED).map((date) => date.label),
+      ...Object.values(TIME_UNITS).map((timeUnit) => timeUnit.label),
     ];
 
     return (
@@ -136,8 +150,9 @@ function IndexRoute() {
               >
                 <MenuSection title="Group by">
                   <MenuItem id="category">Category</MenuItem>
-                  <MenuItem id="dateAdded">Date added</MenuItem>
                   <MenuItem id="status">Status</MenuItem>
+                  <MenuItem id="dateAdded">Date added</MenuItem>
+                  <MenuItem id="timeRequired">Time required</MenuItem>
                 </MenuSection>
               </Menu>
             </MenuTrigger>
@@ -165,12 +180,22 @@ function IndexRoute() {
               )
               .map(([group, quests]) => {
                 if (quests.length === 0) return null;
-                const { label, icon: Icon } =
-                  groupByValue === "category"
-                    ? CATEGORIES[group as keyof typeof CATEGORIES]
-                    : groupByValue === "status"
-                      ? STATUS[group as keyof typeof STATUS]
-                      : DATE_ADDED[group as keyof typeof DATE_ADDED];
+                let groupDetails: GroupDetails;
+                switch (groupByValue) {
+                  case "category":
+                    groupDetails = CATEGORIES[group as keyof typeof CATEGORIES];
+                    break;
+                  case "status":
+                    groupDetails = STATUS[group as keyof typeof STATUS];
+                    break;
+                  case "timeRequired":
+                    groupDetails = TIME_UNITS[group as keyof typeof TIME_UNITS];
+                    break;
+                  case "dateAdded":
+                    groupDetails = DATE_ADDED[group as keyof typeof DATE_ADDED];
+                    break;
+                }
+                const { label, icon: Icon } = groupDetails;
 
                 return (
                   <Disclosure
diff --git a/src/routes/_authenticated/admin/quests/$questId.tsx b/src/routes/_authenticated/admin/quests/$questId.tsx
index 6cd2278..1ef1471 100644
--- a/src/routes/_authenticated/admin/quests/$questId.tsx
+++ b/src/routes/_authenticated/admin/quests/$questId.tsx
@@ -20,7 +20,7 @@ import {
   type Jurisdiction,
   TIME_UNITS,
   type TimeRequired,
-  type TimeRequiredUnit,
+  type TimeUnit,
 } from "@convex/constants";
 import { RiQuestionLine } from "@remixicon/react";
 import { createFileRoute } from "@tanstack/react-router";
@@ -187,13 +187,13 @@ const TimeRequiredInput = memo(function TimeRequiredInput({
         onSelectionChange={(key) =>
           onChange({
             ...timeRequired,
-            unit: key as TimeRequiredUnit,
+            unit: key as TimeUnit,
           })
         }
       >
-        {Object.entries(TIME_UNITS).map(([key, label]) => (
+        {Object.entries(TIME_UNITS).map(([key, unit]) => (
           <SelectItem key={key} id={key}>
-            {label}
+            {unit.label}
           </SelectItem>
         ))}
       </Select>