Function withDSTStart

pkgs/tz/src/date/tests.ts:2362–2364

(tz: string, fn: (date: TZDate) => void)

});

function withDSTStart(tz: string, fn: (date: TZDate) => void) {
  fn(new TZDate(2020, 2, 8, tz));
}

function utcStr(date: TZDate) {
  return new Date(+date).toISOString();