Function isDST

isDST(date?: string | ZonedDateTime, timeZone?: string): boolean
Determines whether the given (or current) date is observing Daylight Saving Time.
Parameters
- Optionaldate: string | ZonedDateTime
  Optional ZonedDateTime or ISO string to check
- timeZone: string = ...
  The timezone to use if creating a new date (default: system local)
Returns boolean
True if the date is in DST, false otherwise
- Defined in packages/library/src/common/temporal.library.ts:68