src/src/app/components/trips/trips.component.ts

@@ -113,7 +113,7 @@ export class TripsComponent implements OnInit {
     const tripDays: Partial<TripDay>[] = [];
     const current = new Date(from);
     while (current <= to) {
-      const year = current.getUTCFullYear();
+      const year = current.getFullYear();
       const month = String(current.getMonth() + 1).padStart(2, '0');
       const day = String(current.getDate()).padStart(2, '0');
       const label = `${day} ${months[current.getMonth()]}`;

src/src/app/modals/trip-create-day-modal/trip-create-day-modal.component.ts

@@ -36,7 +36,7 @@ export class TripCreateDayModalComponent {
   }
 
   formatDateWithoutTimezone(date: Date) {
-    const year = date.getUTCFullYear();
+    const year = date.getFullYear();
     const month = String(date.getMonth() + 1).padStart(2, '0');
     const day = String(date.getDate()).padStart(2, '0');
     return `${year}-${month}-${day}`;