Clock Changes in Hamhung, North Korea 2017

Daylight Saving Time (DST) Not Observed in Year 2017

North Korea observed Pyongyang Time (PYT) all year.

Daylight Saving Time has not been used since our records start, in 1970.

DST data from before 1970 is not available for Hamhung, North Korea. However, we have earlier DST history for Pyongyang, North Korea available.

Which countries & states use DST and which do not?