Clock Changes in Muscat, Oman

Daylight Saving Time (DST) Not Observed in Year 2020

Muscat currently observes Gulf Standard Time (GST) all year.

Daylight Saving Time has never been used here.

Clocks do not change in Muscat, Oman.

There is no previous DST change in Muscat.

Which countries & states use DST and which do not?