Clock Changes in Mawson, Antarctica (Mawson Base, Holme Bay) 2019

Daylight Saving Time (DST) Not Observed in Year 2019

Antarctica observed Mawson Time (MAWT) all year.

Daylight Saving Time has never been used here.

Clocks do not change in Mawson, Antarctica.

There is no previous DST change in Antarctica.

Which countries & states use DST and which do not?