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Clock Changes in San Juan, Puerto Rico

Last change: 1945
1 hour Back

Sep 30, 1945, 2:00 am

No further time changes in 2024 in San Juan
Location of San JuanLocation

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 San Juan, Puerto Rico.

The previous DST change in San Juan, Puerto Rico was on September 30, 1945.

Try selecting a different year below.

Which countries & states use DST and which do not?

Other years: 1942 | 1943 | 1944 | 1945 |

Daylight Saving Time in Other Years

DST changes do not necessarily occur on the same date every year.

YearDST Start (Clock Forward)DST End (Clock Backward)
2020 — 2029DST not observed
All times are local for San Juan. Current year is highlighted.

Detailed time zone and clock changes in San Juan