Clock Changes in Davis, Antarctica (Davis Base, Vestfold Hills) 2021

Daylight Saving Time (DST) Not Observed in Year 2021

Antarctica observed Davis Time (DAVT) all year.

Daylight Saving Time has never been used here.

Clocks do not change in Davis, Antarctica.

There is no previous DST change in Antarctica.

Which countries & states use DST and which do not?