Last change: 1945
Sep
30
1 hour Back
Sep 30, 1945, 2:00 am
Daylight Saving Time (DST) Not Observed in Year 2024
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