export class DateHelper { static dateToISOLikeButLocal(date: Date): string { const offsetMs = date.getTimezoneOffset() * 60 * 1000; const msLocal = date.getTime() - offsetMs; const dateLocal = new Date(msLocal); const iso = dateLocal.toISOString(); const isoLocal = iso.slice(0, 19).replace('T', ' ').replaceAll(':', '.'); return isoLocal; } }