import { formatInTimeZone } from 'date-fns-tz'; export function formatDate(date: Date | undefined | null): string { if (!date) { return ''; } return formatInTimeZone(date, 'Europe/Zurich', 'dd.MM.yyyy'); } export function formatDateTime(date: Date | undefined | null): string { if (!date) { return ''; } return formatInTimeZone(date, 'Europe/Zurich', 'dd.MM.yyyy HH:mm'); } export function formatTime(date: Date | undefined | null): string { if (!date) { return ''; } return formatInTimeZone(date, 'Europe/Zurich', 'HH:mm'); }