Flag for Puerto Rico Clock Changes in San Juan, Puerto Rico in 2017

Last change: 1945
Sep
30
1 hour Back

Sep 30, 1945, 2:00 am

No further time changes in 2017
in San Juan

Location of San JuanLocation

Daylight Saving Time (DST) Not Observed in Year 2017

San Juan 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 was on September 30, 1945.

Try selecting a different year below.

Which countries & states use DST and which do not?

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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)
2010 — 2019DST not observed
All times are local for San Juan. Current year is highlighted.

Detailed time zone and clock changes in San Juan