Flag for Puerto Rico Clock Changes in San Juan, Puerto Rico in 2011

Last change: 1945
1 hour Back

Sep 30, 1945, 2:00 am

No further time changes in 2011
in San Juan

Location of San JuanLocation

Daylight Saving Time (DST) Not Observed in Year 2011

San Juan observed Atlantic Standard Time (AST) all year.

DST was not in use in 2011.

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?


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