What time zone is Guayanilla in?

Guayanilla currently uses Atlantic Standard Time (AST). Its IANA time zone is America/Puerto_Rico.

What is the UTC offset in Guayanilla right now?

Guayanilla is currently UTC−04:00

Current Time in Guayanilla, Guayanilla Barrio-Pueblo, Puerto Rico

10:30:43 PM

22:30:43

Friday, September 11, 2026

AST (Atlantic Standard Time) · UTC−04:00

America/Puerto_Rico

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Time zone details

Guayanilla does not observe daylight saving time in 2026

Daylight in Guayanilla

Sunrise6:14 AMSolar noon12:23 PMSunset6:32 PM

Clock change statusNo clock changes are scheduled for Guayanilla in the next 12 monthsView schedule Weather nowLoading current forecast…Forecast details

Location facts

Place

Country: Puerto Rico
District: Guayanilla Barrio-Pueblo
Place type: City or town
Country currency: US Dollar (USD)

Practical

Languages: English, Spanish
Population: 5,213
Elevation: 10 m

Geography

Geographic coordinates: 18° 01' N / 66° 47' W

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Clock changes in Guayanilla

2026

No clock or time-zone designation changes in 2026

Future clock changes, 2027–2030

Sun & Moon details

Sunrise: 6:14 AM
Solar noon: 12:23 PM
Sunset: 6:32 PM
Daylight duration: 12 hr 18 min1 min 1 sec shorter than the previous day

Civil twilight: 5:52 AM – 6:54 PM
Nautical twilight: 5:27 AM – 7:19 PM
Astronomical twilight: 5:01 AM – 7:45 PM

New MoonMoon illumination0%

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Friday, September 11, 2026

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Sun

Sunrise: 6:14 AM (east, 85.0°)
Sunset: 6:32 PM (west, 274.8°)
Day length: 12 hr 18 min1 min 1 sec shorter than the previous day
Solar noon: 12:23 PM (76.4° altitude)

Civil twilight

Dawn to dusk: 5:52 AM – 6:54 PM

Additional twilight

Nautical dawn to dusk: 5:27 AM – 7:19 PM
Astronomical dawn to dusk: 5:01 AM – 7:45 PM

Moon

Phase: New Moon (0% illuminated)
Moonrise: 6:33 AM (east, 88.9°)
Moonset: 6:53 PM (west, 267.7°)
Previous principal phase: New Moon — Thursday, September 10, 2026 at 11:27 PM
Next principal phase: First Quarter — Friday, September 18, 2026 at 4:44 PM

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local date	Sunrise	Sunset	Day length	Daily change
Friday, September 11	6:14 AM	6:32 PM	12 hr 18 min	1 min 1 sec shorter than the previous day
Saturday, September 12	6:14 AM	6:31 PM	12 hr 17 min	1 min shorter than the previous day
Sunday, September 13	6:14 AM	6:31 PM	12 hr 16 min	1 min shorter than the previous day
Monday, September 14	6:14 AM	6:30 PM	12 hr 15 min	1 min shorter than the previous day
Tuesday, September 15	6:15 AM	6:29 PM	12 hr 14 min	1 min 1 sec shorter than the previous day
Wednesday, September 16	6:15 AM	6:28 PM	12 hr 13 min	1 min shorter than the previous day
Thursday, September 17	6:15 AM	6:27 PM	12 hr 12 min	1 min 1 sec shorter than the previous day

Weather forecast for Guayanilla

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Plan around Guayanilla

Upcoming national public holidays in Puerto Rico

Mon, Oct 12, 2026Columbus Day
Wed, Nov 11, 2026Veterans Day
Thu, Nov 19, 2026Discovery of Puerto Rico

Frequently asked questions

What time zone is Guayanilla in?: Guayanilla currently uses Atlantic Standard Time (AST). Its IANA time zone is America/Puerto_Rico.
When is the next clock change in Guayanilla?: No clock changes are scheduled for Guayanilla in the next 12 months
Does Guayanilla observe daylight saving time?: Guayanilla does not observe daylight saving time in 2026
What is the UTC offset in Guayanilla right now?: Guayanilla is currently UTC−04:00