Function dateFromTimezoneToTimezone

src/utils/time.ts:1–11

(
  date: Date,
  sourceTimezone: string,
  targetTimezone: string = 'UTC',
)

export function dateFromTimezoneToTimezone(
  date: Date,
  sourceTimezone: string,
  targetTimezone: string = 'UTC',
): Date {
  const sourceDate = new Date(new Date().toLocaleString('en-US', { timeZone: sourceTimezone }));
  const targetDate = new Date(new Date().toLocaleString('en-US', { timeZone: targetTimezone }));
  const diff = sourceDate.getTime() - targetDate.getTime();

  return new Date(date.getTime() - diff);
}

export function getWeektime(weekDay: string, time: string): Date | null {
  const daysOfWeek = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];