Live
10:51:23
Current local time in San Juan, Puerto Rico.
AST UTC-04:00
Relative to You
Detecting your timezone…
Relative to London
-4 hours
behind
Noon here = 16:00 London
09:00 here = 13:00 London
12:00 here = 16:00 London
17:00 here = 21:00 London
ISO Week
11 Odd Week
Sun
06:30
|
18:18
Today
It's morning in San Juan. Mid-morning in San Juan. Offices are busy, meetings are underway. The city runs at UTC-04:00.
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Quick Facts
| Country | Puerto Rico |
| Timezone | AST |
| UTC Offset | UTC-04:00 |
| Sunrise | 06:30 |
| Sunset | 18:18 |
| Coordinates | 18.47°N, -66.11°E |
Frequently Asked Questions
Is it currently business hours in San Juan?
Yes, it is currently business hours in San Juan. The local time is 10:51, which falls within the typical 09:00–17:00 working window. Use our Time Zone Planner to find the best meeting time across cities.
What is the UTC offset for San Juan?
San Juan is currently at UTC-04:00. The timezone identifier is AST. When it is noon in San Juan, it is 16:00 in London. You can embed a live San Juan clock on your website.
What ISO week number is it in San Juan?
It is currently ISO week 11 (odd week) in San Juan. ISO week numbers follow the ISO 8601 standard, where week 1 is the week containing the first Thursday of the year. Learn more about ISO week numbers.
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San Juan follows Atlantic Standard Time year-round. Puerto Rico operates at a fixed UTC-4.