Clock Changes in Davis, Antarctica (Davis Base, Vestfold Hills) 1997

Daylight Saving Time (DST) Not Observed in Year 1997

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?