diff --git a/app/(api)/api/calendar/[ownerId]/[projectId]/route.ts b/app/(api)/api/calendar/[ownerId]/[projectId]/route.ts
index 82b72bd..8116188 100644
--- a/app/(api)/api/calendar/[ownerId]/[projectId]/route.ts
+++ b/app/(api)/api/calendar/[ownerId]/[projectId]/route.ts
@@ -1,17 +1,10 @@
 import { calendarEvent, project, task, taskList } from "@/drizzle/schema";
 import { getUser } from "@/lib/ops/auth";
 import { getDatabaseForOwner } from "@/lib/utils/useDatabase";
-import { getVtimezoneComponent } from "@touch4it/ical-timezones";
-import dayjs from "dayjs";
-import tz from "dayjs/plugin/timezone";
-import utc from "dayjs/plugin/utc";
 import { and, desc, eq, lte } from "drizzle-orm";
 import ical, { ICalCalendarMethod } from "ical-generator";
 import type { NextRequest } from "next/server";
 
-dayjs.extend(utc);
-dayjs.extend(tz);
-
 export const revalidate = 0;
 export const dynamic = "force-dynamic";
 
@@ -67,20 +60,17 @@ export async function GET(
 	const calendar = ical({
 		name: projectDetails.name,
 		method: ICalCalendarMethod.PUBLISH,
-		timezone: timezone
-			? { name: timezone, generator: getVtimezoneComponent }
-			: null,
 	});
 
 	for (const event of events) {
 		calendar.createEvent({
 			id: event.id,
 			start: timezone
-				? dayjs.utc(event.start).tz(timezone).format("YYYY-MM-DDTHH:mm:ssZ")
+				? event.start.toLocaleString("en-US", { timeZone: timezone })
 				: event.start,
 			end: event.end
 				? timezone
-					? dayjs.utc(event.end).tz(timezone).format("YYYY-MM-DDTHH:mm:ssZ")
+					? event.end.toLocaleString("en-US", { timeZone: timezone })
 					: event.end
 				: null,
 			summary: event.name,
@@ -105,10 +95,10 @@ export async function GET(
 			calendar.createEvent({
 				id: task.id,
 				start: timezone
-					? dayjs.utc(task.dueDate).tz(timezone).format("YYYY-MM-DDTHH:mm:ssZ")
+					? task.dueDate.toLocaleString("en-US", { timeZone: timezone })
 					: task.dueDate,
 				end: timezone
-					? dayjs.utc(task.dueDate).tz(timezone).format("YYYY-MM-DDTHH:mm:ssZ")
+					? task.dueDate.toLocaleString("en-US", { timeZone: timezone })
 					: task.dueDate,
 				summary: `[${tasklist.name}] ${task.name}`,
 				description: task.description,
diff --git a/package.json b/package.json
index 343856d..267e0ef 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,6 @@
 		"@radix-ui/react-separator": "^1.1.0",
 		"@radix-ui/react-slot": "^1.1.0",
 		"@radix-ui/react-switch": "^1.1.0",
-		"@touch4it/ical-timezones": "^1.9.0",
 		"autoprefixer": "10.4.14",
 		"better-sqlite3": "^11.7.0",
 		"class-variance-authority": "^0.6.1",
@@ -42,7 +41,7 @@
 		"drizzle-orm": "^0.38.2",
 		"easymde": "^2.18.0",
 		"eslint-config-next": "15.1.0",
-		"ical-generator": "^8.0.0",
+		"ical-generator": "^8.0.1",
 		"lucide-react": "^0.244.0",
 		"mime-types": "^2.1.35",
 		"next": "15.1.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 01a7ddc..1640880 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -69,9 +69,6 @@ importers:
       '@radix-ui/react-switch':
         specifier: ^1.1.0
         version: 1.1.0(@types/react-dom@19.0.2(@types/react@19.0.1))(@types/react@19.0.1)(react-dom@19.0.0(react@19.0.0))(react@19.0.0)
-      '@touch4it/ical-timezones':
-        specifier: ^1.9.0
-        version: 1.9.0
       autoprefixer:
         specifier: 10.4.14
         version: 10.4.14(postcss@8.4.23)
@@ -103,8 +100,8 @@ importers:
         specifier: 15.1.0
         version: 15.1.0(eslint@9.13.0(jiti@1.21.6))(typescript@5.7.2)
       ical-generator:
-        specifier: ^8.0.0
-        version: 8.0.0(@touch4it/ical-timezones@1.9.0)(@types/node@20.1.0)(dayjs@1.11.12)(rrule@2.8.1)
+        specifier: ^8.0.1
+        version: 8.0.1(@touch4it/ical-timezones@1.9.0)(@types/node@20.1.0)(dayjs@1.11.12)(rrule@2.8.1)
       lucide-react:
         specifier: ^0.244.0
         version: 0.244.0(react@19.0.0)
@@ -3185,8 +3182,8 @@ packages:
   html-url-attributes@3.0.1:
     resolution: {integrity: sha512-ol6UPyBWqsrO6EJySPz2O7ZSr856WDrEzM5zMqp+FJJLGMW35cLYmmZnl0vztAZxRUoNZJFTCohfjuIJ8I4QBQ==}
 
-  ical-generator@8.0.0:
-    resolution: {integrity: sha512-CvVKK3JJrKop6z7i7/NS69FjYdR6ux1LswIeiZ3yaicX7ocMFLQI475JhQabCT7koUkaCVFNVxLaYaxtdPgwww==}
+  ical-generator@8.0.1:
+    resolution: {integrity: sha512-D7D0HPdjg8dEVTyN3QM95sioJj5/6TPj9wetrpt16tzszVgTIXHSSlreTsLuSSQpF61EdVxxTwYS9TVWr7vF0g==}
     engines: {node: 18 || 20 || >=22.0.0}
     peerDependencies:
       '@touch4it/ical-timezones': '>=1.6.0'
@@ -6852,7 +6849,8 @@ snapshots:
 
   '@tanstack/virtual-core@3.8.4': {}
 
-  '@touch4it/ical-timezones@1.9.0': {}
+  '@touch4it/ical-timezones@1.9.0':
+    optional: true
 
   '@types/better-sqlite3@7.6.12':
     dependencies:
@@ -8066,7 +8064,7 @@ snapshots:
 
   html-url-attributes@3.0.1: {}
 
-  ical-generator@8.0.0(@touch4it/ical-timezones@1.9.0)(@types/node@20.1.0)(dayjs@1.11.12)(rrule@2.8.1):
+  ical-generator@8.0.1(@touch4it/ical-timezones@1.9.0)(@types/node@20.1.0)(dayjs@1.11.12)(rrule@2.8.1):
     dependencies:
       uuid-random: 1.3.2
     optionalDependencies: