Java Time

Internal

• Time

Time Zone

Raw Time Zone Offset

We can get the amount of milliseconds to apply to UTC to get the standard time in a certain time zone (the standard time offset) with TimeZone.getRawOffset().

This value is not affected by daylight saving time.

TimeZone tz = ...
tz.getRawOffset()

Figuring Out Whether Daylight Saving is in Effect for a Certain Date

Date d = ...
inDaylightTime(d);