TimeZone.utcOffsetAt
Returns what the offset from UTC is at the given std time. It includes the DST offset in effect at that time (if any).
Parameters
stdTime | The UTC time for which to get the offset from UTC for this time zone. |
Returns what the offset from UTC is at the given std time. It includes the DST offset in effect at that time (if any).
stdTime | The UTC time for which to get the offset from UTC for this time zone. |