Clock Changes in Pyongyang, North Korea 1990

Daylight Saving Time (DST) Not Observed in Year 1990

North Korea observed Korea Standard Time (KST) all year.

Daylight Saving Time has never been used here.

Clocks do not change in Pyongyang, North Korea.

There is no previous DST change in North Korea.

Which countries & states use DST and which do not?