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The current time in San Juan, Puerto Rico is shown live on this page. San Juan is in the America/Puerto Rico timezone, which has a UTC offset of UTC-04:00 (AST). San Juan does not observe daylight saving time, so its UTC offset of UTC-04:00 remains constant year-round. San Juan has a population of approximately 344,606 people. San Juan uses USD and the international calling code for Puerto Rico is ++1-787.
Now in PR
Timezone
America/Puerto_Rico
UTC offset
UTC-04:00
Standard
AST
DST
No regular shift
Local time guide
Use this page when you need the live local time in San Juan for meetings, travel plans, event schedules, support hours, or international calls. London is currently 5 hours ahead of San Juan. New York is currently the same time as San Juan.
At a glance
Quick compare
Timezone
America/Puerto Rico
UTC Offset
UTC-04:00
Abbreviation
AST
DST
Not active
Region
Caribbean
Country
Puerto Rico
State / Area
San Juan
Calling Code
+1-787
Nearest timezone boundary
The nearest major city that uses a different timezone is Santo Domingo, approximately 403 km away. Santo Domingo uses the America/Santo Domingo timezone. When it is the current time in San Juan, the time in Santo Domingo is different by 0 hours.
City profile
San Juan is located in Puerto Rico, Puerto Rico, in the North America continent. The primary languages spoken here are Spanish, English. The city has a population of approximately 344,606, ranking it #378 in Puerto Rico by size. For timezone purposes, San Juan uses America/Puerto Rico (UTC-04:00). It does not observe daylight saving time, so its UTC offset stays consistent year-round.
Travel and calls
San Juan does not observe daylight saving time, so its clock stays consistent throughout the year.
Puerto Rico does not observe Daylight Saving Time.
Time comparison
Here is what time it is in other major cities when it is 12:00 AM (midnight) in San Juan. This is useful for planning calls and understanding the time difference at a fixed reference point.
Daylight hours
Based on San Juan's latitude (18.5°N), the estimated daylight duration for this month is approximately 13.1 hours, with sunrise around 5:27 AM and sunset around 6:33 PM. Being near the equator, San Juan experiences relatively consistent daylight year-round, with only small seasonal variation.
Best time to call
For work calls, the standard business window in San Juan is roughly 9:00 AM to 5:00 PM AST. If the other party is in a distant timezone, verify the exact date before sending a calendar invite — daylight saving transitions can shift the overlap by an hour without warning.
Business hours in San Juan (9:00 AM - 1:00 PM) overlap with London starting at 2:00 PM. The best window for calls between these two cities is 4 hours per day. Business hours overlap: 9:00 AM - 1:00 PM in San Juan time.
Local planning notes
Best call window
The optimal window for calls between San Juan and London is 9:00 AM - 1:00 PM in San Juan time (4 overlapping hours).
Daylight saving impact
San Juan does not observe DST, so its UTC offset of UTC-04:00 stays constant year-round. This makes it a reliable reference point for long-term scheduling.
Travel essentials
For travel and business planning, San Juan uses USD and the calling code for Puerto Rico is +1-787. Languages spoken here include Spanish, English. The city has a population of around 344,606, making it a local reference point for timezone planning in Caribbean.
Timezone context
The nearest timezone boundary is 403 km away at Santo Domingo (AST). This is a moderate distance, but the timezone difference can affect daily coordination.
Popular conversions
The most relevant time conversions for San Juan are with nearby Caribbean cities and major global hubs in different timezones.
Timezone boundaries nearby
The closest cities that operate in a different timezone than San Juan. Useful for understanding where the timezone boundary falls and how local times differ just a short distance away.
Embed this clock
Embed a live San Juan clock on your website. The widget is fully responsive, lightweight, and free to use.
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