Clock Changes in Pacific Tectonic Plate, Northern Mariana Islands

Daylight Saving Time (DST) Not Observed in Year 2025

Northern Mariana Islands currently observes Chamorro Standard Time (ChST) all year.

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

DST data from before 1970 is not available for Pacific Tectonic Plate, Northern Mariana Islands. However, we have earlier DST history for Saipan, Northern Mariana Islands available.

Which countries & states use DST and which do not?