Time in San Juan, Puerto Rico
San Juan is on Atlantic Standard Time (AST, UTC−4).
- Time zone
- Atlantic Standard Time
- UTC offset now
- UTC−4
- Daylight saving
- Not observed
- Country
- Puerto Rico
- Sunrise today
- 6:16 am
- Sunset today
- 6:05 pm
- Day length
- 11 hours 49 minutes
- IANA time zone
- America/Puerto_Rico
San Juan doesn't change its clocks for daylight saving time.
Compare San Juan with your time
Your own time zone comes first, then San Juan. Add teammates or more cities, then click an hour to plan a meeting.
Time difference from San Juan
Upcoming public holidays in Puerto Rico
Questions
What time zone is San Juan in?
San Juan is on Atlantic Standard Time (AST, UTC−4). Its IANA time zone is America/Puerto_Rico.
Does San Juan have daylight saving time?
San Juan doesn't change its clocks for daylight saving time.
What is the time difference between San Juan and London?
London is 5 hours ahead of San Juan.
Updated Sunday 11 October 2026