Clock Changes in Casey Range, Antarctica

Daylight Saving Time (DST) Not Observed in Year 2024

Antarctica currently observes 9 time zones all year.

Daylight Saving Time has not been used since our records start, in 1970.

DST data from before 1970 is not available for Casey Range, Antarctica. However, we have earlier DST history for Mawson, Antarctica available.

Which countries & states use DST and which do not?