San JuanPuerto Rico
Current time in San Juan, Puerto Rico
Friday, 25 September 2026
Atlantic Standard TimeUTC-04:00
⛶ Full-screen clockSan Juan time at a glance
- Country
- Puerto Rico
- Location
- Capital city of Puerto Rico
- Time zone
America/Puerto_Rico- UTC offset now
UTC-04:00- Current zone label
- GMT-4
- Next clock change
- No upcoming change available
San Juan time guide
Does San Juan change its clocks?
UTC-04:00.- Year-round offset
- Atlantic Standard Time (AST), UTC-04:00
- Time-zone identifier
- America/Puerto_Rico
- San Juan and London
- 4 hours behind during GMT; 5 hours behind during BST
- San Juan and New York
- 1 hour ahead during EST; same clock time during EDT
Municipio and metropolitan area
San Juan municipio is smaller than its metro area
The 2020 U.S. Census counted 342,259 residents in San Juan municipio. The San Juan metropolitan area includes multiple neighboring municipios, so metropolitan totals are much larger.
Time-zone identity for San Juan
- IANA zone
America/Puerto_Rico- UTC offset now
- UTC-04:00
- Current zone label
- GMT-4
- Clock-change status
- No UTC offset change was found in the next 370 days.
San Juan is currently 4 hours behind UTC. The named zone, rather than the offset alone, should be used for future dates.
Clock changes in San Juan
370-day checked horizon
No UTC offset change was found through Thursday, 30 September 2027 in runtime time-zone data 2026b.
Time-zone history
UTC offset changes for San Juan
A bounded record of offset transitions calculated for America/Puerto_Rico, covering 2021 through 2031. Events are offset changes; their legal or daylight-saving cause is not inferred.
Previous 5 years
No UTC offset transition was found in the previous 5 years.
Next 5 years
No UTC offset transition was found in the next 5 years.
Dates are calculated from IANA time-zone rules. The calculation checks for offset changes throughout the displayed period and resolves each change to the nearest second.
Capital city context
About San Juan, capital of Puerto Rico
San Juan is the capital of Puerto Rico. This page combines its live local clock with location, time-zone, weather, Sun and Moon information.
- Capital status
- Capital of Puerto Rico
- Administrative area
- Puerto Rico
- Population
- 418,140
- Coordinates
- 18.4663° N, 66.1057° W. The elevation is 7 metres.
Nearby city clocks
Cities near San Juan
Nearby cities are ordered by approximate straight-line distance from San Juan. Times are calculated for the same instant shown above.
- CatañoPuerto Rico3.1 km southwest
America/Puerto_RicoSame local time - LevittownToa Baja, Puerto Rico8.2 km west
America/Puerto_RicoSame local time - BayamónPuerto Rico9.2 km southwest
America/Puerto_RicoSame local time - GuaynaboPuerto Rico12 km south
America/Puerto_RicoSame local time - CandelariaToa Baja, Puerto Rico13 km southwest
America/Puerto_RicoSame local time - Trujillo AltoPuerto Rico16 km southeast
America/Puerto_RicoSame local time
Sources for San Juan time and city facts
Time-zone calculations use runtime tzdb 2026b. Weather and astronomy sources include their own retrieval times where available.
View 4 sources
- GeoNames cities15000GeoNames · 2026-07-15_01-57-51-849 · CC BY 4.0 · AccessedCity and country names, administrative area, coordinates and population.
- IANA Time Zone DatabaseInternet Assigned Numbers Authority · 2026b · Public domain · AccessedTime-zone names, UTC offsets and clock changes.
- Unicode Common Locale Data RepositoryUnicode Consortium · 48.0 · Unicode License v3 · AccessedEnglish display names for countries, currencies and languages.
- San Juan Municipio Census ProfileUnited States Census Bureau · 2020 census · AccessedOfficial municipio population and land-area profile.