Last change: 1945
1 hour Back
Sep 30, 1945, 2:00 am
|Unincorp. Org. Territory:||Puerto Rico|
|Long Name:||Commonwealth of Puerto Rico|
Daylight Saving Time (DST) Not Observed in Year 2025
Puerto Rico currently observes Atlantic Standard Time (AST) all year.
DST is no longer in use.
Clocks do not change in Puerto Rico.
The previous DST change in Puerto Rico was on September 30, 1945.
Try selecting a different year below.
Daylight Saving Time History in Puerto Rico
- Puerto Rico last observed Daylight Saving Time in 1945.
- Puerto Rico has observed DST for 4 years between 1942 and 1945.
- See Worldwide DST Statistics