Sep 30, 1945, 2:00 am
Unincorp. Org. Territory: Puerto Rico
Long Name: Commonwealth of Puerto Rico
Abbreviations: PR, PRI
Capital: San Juan
Time Zones: 1
Dial Code: +1
Puerto Rico observed Atlantic Standard Time (AST) all year.
DST was not in use in 2013.
The previous DST change in Puerto Rico was on September 30, 1945.
Try selecting a different year below.
Which countries & states use DST and which do not?
Other years: 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2019
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