diff --git a/apps/scandic-web/components/HotelReservation/BookingConfirmation/Header/Actions/helpers.ts b/apps/scandic-web/components/HotelReservation/BookingConfirmation/Header/Actions/helpers.ts
index 7df5288bb..fe7cb78c7 100644
--- a/apps/scandic-web/components/HotelReservation/BookingConfirmation/Header/Actions/helpers.ts
+++ b/apps/scandic-web/components/HotelReservation/BookingConfirmation/Header/Actions/helpers.ts
@@ -2,7 +2,7 @@ import { dt } from "@/lib/dt"
 
 import type { DateTime } from "ics"
 
-export function generateDateTime(d: Date): DateTime {
+export function generateDateTime(d: string): DateTime {
   const _d = dt(d).utc()
   return [
     _d.year(),
diff --git a/apps/scandic-web/components/HotelReservation/MyStay/ReferenceCard/Actions/NotCancelled/ManageStay/Actions/ChangeDates/Steps/Form/NewDates/index.tsx b/apps/scandic-web/components/HotelReservation/MyStay/ReferenceCard/Actions/NotCancelled/ManageStay/Actions/ChangeDates/Steps/Form/NewDates/index.tsx
index b2152a0d9..635af552b 100644
--- a/apps/scandic-web/components/HotelReservation/MyStay/ReferenceCard/Actions/NotCancelled/ManageStay/Actions/ChangeDates/Steps/Form/NewDates/index.tsx
+++ b/apps/scandic-web/components/HotelReservation/MyStay/ReferenceCard/Actions/NotCancelled/ManageStay/Actions/ChangeDates/Steps/Form/NewDates/index.tsx
@@ -20,8 +20,8 @@ import useLang from "@/hooks/useLang"
 import styles from "./newDates.module.css"
 
 interface NewDatesProps {
-  checkInDate: Date
-  checkOutDate: Date
+  checkInDate: string
+  checkOutDate: string
 }
 
 export default function NewDates({ checkInDate, checkOutDate }: NewDatesProps) {
diff --git a/apps/scandic-web/components/HotelReservation/MyStay/ReferenceCard/Actions/NotCancelled/ManageStay/Actions/utils.ts b/apps/scandic-web/components/HotelReservation/MyStay/ReferenceCard/Actions/NotCancelled/ManageStay/Actions/utils.ts
index 42cfb4097..5162f0410 100644
--- a/apps/scandic-web/components/HotelReservation/MyStay/ReferenceCard/Actions/NotCancelled/ManageStay/Actions/utils.ts
+++ b/apps/scandic-web/components/HotelReservation/MyStay/ReferenceCard/Actions/NotCancelled/ManageStay/Actions/utils.ts
@@ -1,6 +1,6 @@
 import { dt } from "@/lib/dt"
 
-export function dateHasPassed(date: Date, time: string) {
+export function dateHasPassed(date: string, time: string) {
   const hour = dt(time, "HH:mm").hour()
   const minute = dt(time, "HH:mm").minute()
   return dt(date).hour(hour).minute(minute).isBefore(dt(), "minutes")
diff --git a/apps/scandic-web/server/routers/booking/output.ts b/apps/scandic-web/server/routers/booking/output.ts
index 5c2e88887..dedcbd9a6 100644
--- a/apps/scandic-web/server/routers/booking/output.ts
+++ b/apps/scandic-web/server/routers/booking/output.ts
@@ -1,6 +1,7 @@
 import { z } from "zod"
 
 import { BookingStatusEnum, ChildBedTypeEnum } from "@/constants/booking"
+import { dt } from "@/lib/dt"
 
 import { calculateRefId } from "@/utils/refId"
 import { nullableArrayObjectValidator } from "@/utils/zod/arrayValidator"
@@ -208,8 +209,8 @@ export const bookingConfirmationSchema = z
         adults: z.number().int(),
         ancillary: ancillarySchema,
         cancelationNumber: z.string().nullable().default(""),
-        checkInDate: z.date({ coerce: true }),
-        checkOutDate: z.date({ coerce: true }),
+        checkInDate: z.string().refine((val) => dt(val).isValid()),
+        checkOutDate: z.string().refine((val) => dt(val).isValid()),
         childBedPreferences: z.array(childBedPreferencesSchema).default([]),
         childrenAges: z.array(z.number().int()).default([]),
         canChangeDate: z.boolean(),
@@ -226,7 +227,7 @@ export const bookingConfirmationSchema = z
           .nullish(),
         computedReservationStatus: z.string().nullable().default(""),
         confirmationNumber: nullableStringValidator,
-        createDateTime: z.date({ coerce: true }),
+        createDateTime: z.string().refine((val) => dt(val).isValid()),
         currencyCode: z.nativeEnum(CurrencyEnum),
         guest: guestSchema,
         linkedReservations: nullableArrayObjectValidator(
diff --git a/apps/scandic-web/types/providers/booking-confirmation.ts b/apps/scandic-web/types/providers/booking-confirmation.ts
index 1cfc7ee96..b72ceacd6 100644
--- a/apps/scandic-web/types/providers/booking-confirmation.ts
+++ b/apps/scandic-web/types/providers/booking-confirmation.ts
@@ -6,9 +6,9 @@ export interface BookingConfirmationProviderProps
   extends React.PropsWithChildren {
   bookingCode: string | null
   currencyCode: CurrencyEnum
-  fromDate: Date
+  fromDate: string
   roomCategories: RoomCategories
   rooms: (Room | null)[]
-  toDate: Date
+  toDate: string
   vat: number
 }
diff --git a/apps/scandic-web/types/stores/booking-confirmation.ts b/apps/scandic-web/types/stores/booking-confirmation.ts
index 7d99f95cc..34fa1e8f5 100644
--- a/apps/scandic-web/types/stores/booking-confirmation.ts
+++ b/apps/scandic-web/types/stores/booking-confirmation.ts
@@ -22,7 +22,7 @@ export interface Room {
   childrenAges?: number[]
   confirmationNumber: string
   currencyCode: CurrencyEnum
-  fromDate: Date
+  fromDate: string
   name: string
   packages: BookingConfirmation["booking"]["packages"]
   formattedRoomCost: string
@@ -32,7 +32,7 @@ export interface Room {
   roomPoints: number
   roomPrice: number
   roomTypeCode: string | null
-  toDate: Date
+  toDate: string
   totalPrice: number
   totalPriceExVat: number
   vatAmount: number
@@ -41,9 +41,9 @@ export interface Room {
 
 export interface InitialState {
   bookingCode: string | null
-  fromDate: Date
+  fromDate: string
   rooms: (Room | null)[]
-  toDate: Date
+  toDate: string
   currencyCode: CurrencyEnum
   roomCategories: RoomCategories
   vat: number
diff --git a/apps/scandic-web/utils/dateFormatting.ts b/apps/scandic-web/utils/dateFormatting.ts
index 3a7d48bfc..d1b8c3a9e 100644
--- a/apps/scandic-web/utils/dateFormatting.ts
+++ b/apps/scandic-web/utils/dateFormatting.ts
@@ -1,4 +1,4 @@
-import d from "dayjs"
+import { dt } from "@/lib/dt"
 
 import type { Lang } from "@/constants/languages"
 
@@ -16,6 +16,6 @@ export function getLocalizedMonthName(monthIndex: number, lang: Lang) {
   return monthName.charAt(0).toUpperCase() + monthName.slice(1)
 }
 
-export function getNumberOfNights(startDate: Date, endDate: Date) {
-  return d(endDate).diff(startDate, "day")
+export function getNumberOfNights(startDate: string, endDate: string) {
+  return dt(endDate).diff(startDate, "day")
 }