Function getHoursInDay

packages/@internationalized/date/src/queries.ts:129–134

(a: CalendarDate, timeZone: string)

 * Usually this is 24, but it could be 23 or 25 if the date is on a daylight saving transition.
 */
export function getHoursInDay(a: CalendarDate, timeZone: string): number {
  let ms = toAbsolute(a, timeZone);
  let tomorrow = a.add({days: 1});
  let tomorrowMs = toAbsolute(tomorrow, timeZone);
  return (tomorrowMs - ms) / 3600000;
}

let localTimeZone: string | null = null;
let localTimeZoneOverride = false;