Capital Time Zone
Atlantic Standard Time AST
What Time Is It in Puerto Rico Right Now?
Local time in San Juan
Today's Date and Day in San Juan (PR):
Current Date and Time Information
Date&TimeDetails
Time Zone (IANA)
Day of Year
Days to Year End
Week of Year
Month of Year
Months to Year End
Current Season
Next Season
Leap Year
Next Leap Year
Today's Date in Other Formats
Unix
ISO
EU
US
SQL
Puerto Rico Time Difference Tool - Convert Time Easily
Easily convert time zones between Puerto Rico and any city, country, or time zone in the world. Use this tool to check the current time difference and plan meetings, calls, or travel with confidence. Choose any location as the primary reference point to display the time difference.
Explore Professional Features04:28AM
🌍 Time Zone Converter Guide
Compare times across different zones and explore any moment in the day
Click the up arrow to make any timezone your reference point. All time differences will be calculated from this base.
Drag the grip icon to rearrange timezones in your preferred order. Base timezone cannot be dragged but others can be reordered.
Click the X button to delete a timezone from your comparison. Cannot remove if it's the only one left.
Use the slider below to explore different times. Drag to see how times change across all zones simultaneously.
View hour tiles showing the full 24-hour day. Use the time slider to navigate through different hours. Darker tiles indicate nighttime hours.
Switch between 12h/24h format and choose "Each" to set different formats per timezone or "All" to apply the same format to all zones.
💡 Pro tip: Add more timezones using the search above, then set one as your base to see all time differences at a glance!
Puerto Rico - Country Information
The flag of Puerto Rico
North AmericaCapital
Continent
ISO Code
Time Zone
IANA Timezone
Neighbors
Explore More Countries
OmanUTC+04:00GST
PanamaUTC-05:00EST
PeruUTC-05:00PET
French PolynesiaUTC-10:00TAHT
Papua New GuineaUTC+10:00PGT
PhilippinesUTC+08:00PHST
PakistanUTC+05:00PKT
PolandUTC+02:00CEST
Saint Pierre and MiquelonUTC-02:00PMDT
PitcairnUTC-08:00PST
Palestinian TerritoryUTC+03:00EEST
PortugalUTC+01:00WEST
PalauUTC+09:00PWT
ParaguayUTC-03:00PYT
QatarUTC+03:00AST
ReunionUTC+04:00RET
RomaniaUTC+03:00EEST
SerbiaUTC+02:00CEST
RussiaUTC+03:00MSK
RwandaUTC+02:00CATDaylight Saving Time Changes in America/Puerto_Rico
Track historical and upcoming DST transitions for America/Puerto_Rico from 1900 to 2050. See when clocks spring forward or fall back and how the UTC offset changes.
Current Status in America/Puerto_Rico
Atlantic Standard Time (AST)
UTC-4
Next Change
No scheduled changes
| Date | Time | Change Type | UTC Offset |
|---|---|---|---|
| No DST changes found for the selected time zone and year range | |||
Puerto Rico Time Zones
| IANA Time Zone | Full Name | Abbr | UTC Offset | DST Offset |
|---|---|---|---|---|
America/Puerto_Rico CAPITAL | Atlantic Standard Time | AST | -4 Hours | -4 Hours |
Puerto Rico Time Zone: What Time Is It Right Now
Puerto Rico uses Atlantic Standard Time (AST), UTC-4 year-round. The island does not observe daylight saving time, so the clock never changes. The IANA time zone identifier is America/Puerto_Rico.
Time Zone Snapshot
Detail | Info |
|---|---|
Time zone name | Atlantic Standard Time (AST) |
UTC offset | UTC-4 |
IANA identifier | America/Puerto_Rico |
Daylight saving time | Not observed |
Clock changes | None |
Puerto Rico and Daylight Saving Time
Puerto Rico does not observe daylight saving time. The island remains on UTC-4 all year, with no clock changes.
One Island, One Time Zone
Yes, the entire island — including San Juan and the western regions — runs on a single UTC-4 time, with no regional split.
Puerto Rico and US Eastern Time
Puerto Rico does not follow US daylight saving time changes. Puerto Rico's time difference with US Eastern Time changes during the year because the mainland observes daylight saving time while Puerto Rico does not. Anyone coordinating calls or meetings between the island and the mainland should check the current alignment rather than assume a fixed gap.
How Puerto Rico's Time Compares
Location | Time Difference from Puerto Rico |
|---|---|
Same time (does not observe DST) | |
Same time to 1 hour behind, depending on seasonal clock changes there | |
Miami, USA | Same time to 1 hour behind, depending on seasonal clock changes there |
3 to 4 hours behind Puerto Rico, depending on seasonal clock changes there | |
5 to 6 hours ahead, depending on seasonal clock changes there |
Best Time to Call Puerto Rico
Caller Location | Puerto Rico Time |
|---|---|
New York (ET) | Usually 9 AM–5 PM to 10 AM–6 PM |
Los Angeles (PT) | Usually 12 PM–8 PM |
London (GMT/BST) | Usually 3 AM–11 AM |
Calling windows may shift when the caller's country switches between standard time and daylight saving time.
FAQ
What UTC offset does Puerto Rico use?
Puerto Rico uses UTC-4 year-round, corresponding to Atlantic Standard Time.
What time zone is Puerto Rico in?
Puerto Rico is in the America/Puerto_Rico time zone, fixed at UTC-4.
Does Puerto Rico use daylight saving time?
No. Puerto Rico stays on a fixed offset all year, unlike most of the US mainland.
Is Puerto Rico the same time as New York?
Only part of the year. The two align when the mainland is on daylight saving time, but Puerto Rico runs an hour ahead once the mainland returns to standard time.
Is Puerto Rico the same time as the Dominican Republic?
Yes, both are fixed at UTC-4 with no daylight saving time, so the offset never changes between them.
Is the whole island on one time zone?
Yes, all of Puerto Rico runs on a single UTC-4 clock with no regional differences.
Could Puerto Rico adopt daylight saving time in the future?
Any future changes would depend on government decisions.
What's a good time to call Puerto Rico from abroad?
It depends on the caller's location and season — see the calling-window table above for New York, Los Angeles, and London.