Time Zone Basic Info

Time Zone Name America/Puerto_Rico
Display Name America/Puerto_Rico
Primary City San Juan
Country Puerto Rico
City ASCII Name San Juan
City Alternate Names SJU, Capital of Puerto Rico
Country ISO2 PR
Country ISO3 PRI
Country Numeric Code 978
Continent North America
IANA Timezone America/Puerto_Rico
Daylight Saving Details true
Current User's Time 2026-04-01 16:31:34 AST
Diff With UTC 4:0

Timezone Deep Dive

Standard Abbreviation AST
DST Abbreviation ADT
Standard UTC Offset -04:00
DST UTC Offset -03:00
Currently in Daylight Saving? -
Type Canonical
Wiki Standard Offset −04:00
Wiki Daylight Offset −04:00
Areas Covered AST
Timezone Aliases
Related Cities
Used by Countries Trinidad and Tobago, Puerto Rico, Saint Kitts and Nevis, Sint Maarten, Antigua and Barbuda, Montserrat, Anguilla, Dominica, Guadeloupe, Saint Barthelemy, Saint Vincent and the Grenadines, Bonaire, Saint Eustatius and Saba , British Virgin Islands, U.S. Virgin Islands, Curacao, Aruba, Saint Lucia, Saint Martin, Grenada, Canada

Recent Offset History

Change Occurs At (UTC) New Offset Abbreviation

Countries Using This Time Zone

Country
Trinidad and Tobago
Puerto Rico
Saint Kitts and Nevis
Sint Maarten
Antigua and Barbuda
Montserrat
Anguilla
Dominica
Guadeloupe
Saint Barthelemy
Saint Vincent and the Grenadines
Bonaire, Saint Eustatius and Saba
British Virgin Islands
U.S. Virgin Islands
Curacao
Aruba
Saint Lucia
Saint Martin
Grenada
Canada

Major Cities Time Zone Differences

CityDifference
Ahmedabad +9:30
Brasília -1:0
Pengcheng +12:0
Wuxi +12:0
Amman +7:0
Saint Petersburg +7:0
Changsha +12:0
Ibadan -5:0
Kabul +8:30
Riyadh +7:0
Hyderabad +9:30
Guigang +12:0
Yokohama +13:0
İzmir +7:0
Buenos Aires -1:0
Pyongyang +13:0

Top Cities

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