GuaynaboPuerto Rico
Current time in Guaynabo, Puerto Rico
Thursday, 24 September 2026
Atlantic Standard TimeUTC-04:00
⛶ Full-screen clockGuaynabo time at a glance
- Country
- Puerto Rico
- Location
- City in 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
Time-zone identity for Guaynabo
- 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.
Guaynabo is currently 4 hours behind UTC. The named zone, rather than the offset alone, should be used for future dates.
Clock changes in Guaynabo
370-day checked horizon
No UTC offset change was found through Wednesday, 29 September 2027 in runtime time-zone data 2026b.
Time-zone history
UTC offset changes for Guaynabo
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.
Location context
About Guaynabo
Location details for Guaynabo in Puerto Rico.
- Administrative area
- Puerto Rico
- Population
- 81,360
- Coordinates
- 18.3575° N, 66.1110° W. The elevation is 47 metres.
Nearby city clocks
Cities near Guaynabo
Nearby cities are ordered by approximate straight-line distance from Guaynabo. Times are calculated for the same instant shown above.
- BayamónPuerto Rico6.6 km northwest
America/Puerto_RicoSame local time - CatañoPuerto Rico9.4 km north
America/Puerto_RicoSame local time - Trujillo AltoPuerto Rico11 km east
America/Puerto_RicoSame local time - CandelariaToa Baja, Puerto Rico12 km northwest
America/Puerto_RicoSame local time - San JuanPuerto Rico12 km north
America/Puerto_RicoSame local time - LevittownToa Baja, Puerto Rico13 km northwest
America/Puerto_RicoSame local time
Sources for Guaynabo time and city facts
Time-zone calculations use runtime tzdb 2026b. Weather and astronomy sources include their own retrieval times where available.
View 3 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.