Daylight Saving Time Changes 2024 in San Juan, Puerto Rico

Last change: 1945

Sep

1 hour Back

Sep 30, 1945, 2:00 am

No further time changes in 2024 in San Juan

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.

Other years: 1942 | 1943 | 1944 | 1945 |

Daylight Saving Time in Other Years

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

Show DST from:

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