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See all of Puerto Rico (AST)

Time in San Juan, Puerto Rico now

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AST Atlantic Standard Time UTC-4 No DST
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San Juan

San Juan, Puerto Rico

28 Jul 2026

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Puerto Rico: common questions

What is the current time in San Juan, Puerto Rico?

San Juan operates on Atlantic Standard Time (AST), which is UTC-4. To find the current time in San Juan, subtract 4 hours from Coordinated Universal Time (UTC). Puerto Rico does not observe Daylight Saving Time, so the time remains consistent throughout the year.

Does San Juan, Puerto Rico observe Daylight Saving Time?

No, San Juan and the rest of Puerto Rico do not observe Daylight Saving Time. The territory stays on Atlantic Standard Time (AST), which is UTC-4, throughout the year.

What is the time difference between San Juan and major world cities?

London (GMT/BST): San Juan is 4 hours behind London when the UK is on GMT (winter), and 5 hours behind when the UK is on BST (summer).

New York (EST/EDT): San Juan is 1 hour ahead of New York when NY is on EST (winter), and the same time when NY is on EDT (summer).

Tokyo (JST): San Juan is 13 hours behind Tokyo, as Japan Standard Time is UTC+9.

What are other major cities in Puerto Rico?

Puerto Rico's major cities include Bayamón, Carolina, Ponce, Caguas, Guaynabo, Mayagüez, and Arecibo. San Juan is the capital and largest city.

What is San Juan, Puerto Rico known for?

San Juan is Puerto Rico's capital and largest city, known for its historic Old San Juan district with colorful Spanish colonial architecture, the fortifications of El Morro and San Cristóbal, vibrant nightlife, beautiful beaches, and rich cultural heritage blending Spanish, African, and Caribbean influences.