What time zone is Santo António in?

Santo António uses Greenwich Mean Time (GMT, UTC+0) all year. Its IANA time zone is Africa/Sao_Tome.

Does Santo António observe daylight saving time?

No. Santo António uses GMT (UTC+0) all year.

What is the UTC offset of Santo António?

Santo António is UTC+0 all year

Current Time in Santo António, Príncipe, Sao Tome and Principe

8:43:26 PM

20:43:26

Thursday, October 22, 2026

GMT (Greenwich Mean Time) · UTC

Africa/Sao_Tome

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Time zone details

Santo António does not observe daylight saving time in 2026

Daylight in Santo António

Sunrise5:12 AMSolar noon11:14 AMSunset5:16 PM

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

Location facts

Place

Country: Sao Tome and Principe
Administrative area: Príncipe
Place type: City or town
Country currency: São Tomé & Príncipe Dobra (STN)

Practical

Country languages: Portuguese
Dialing code: +239
Population: 1,156
Elevation: Approximately 8 m (DEM estimate)

Geography

Geographic coordinates: 1° 38' N / 7° 25' E

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Clock changes in Santo António

No clock or time-zone designation changes in 2026

Future clock changes, 2027–2030

Clock changes worldwide

Sun & Moon details

Sunrise: 5:12 AM
Solar noon: 11:14 AM
Sunset: 5:16 PM
Daylight duration: 12 hr 04 min5 sec shorter than the previous day

Civil twilight: 4:51 AM – 5:37 PM
Nautical twilight: 4:27 AM – 6:02 PM
Astronomical twilight: 4:02 AM – 6:26 PM

Waxing GibbousMoon illumination84%

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Thursday, October 22, 2026

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Sun

Sunrise: 5:12 AM (east, 101.0°)
Sunset: 5:16 PM (west, 258.8°)
Day length: 12 hr 04 min5 sec shorter than the previous day
Solar noon: 11:14 AM (77.2° altitude)

Civil twilight

Dawn to dusk: 4:51 AM – 5:37 PM

Additional twilight

Nautical dawn to dusk: 4:27 AM – 6:02 PM
Astronomical dawn to dusk: 4:02 AM – 6:26 PM

Moon

Phase: Waxing Gibbous (84% illuminated)
Moonrise: 2:25 PM (east, 95.1°)
Moonset: 2:00 AM (west, 261.8°)
Previous principal phase: First Quarter — Sunday, October 18, 2026 at 4:13 PM
Next principal phase: Full Moon — Monday, October 26, 2026 at 4:12 AM

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local date	Sunrise	Sunset	Day length	Daily change
Thursday, October 22	5:12 AM	5:16 PM	12 hr 04 min	5 sec shorter than the previous day
Friday, October 23	5:12 AM	5:16 PM	12 hr 04 min	4 sec shorter than the previous day
Saturday, October 24	5:12 AM	5:16 PM	12 hr 04 min	4 sec shorter than the previous day
Sunday, October 25	5:12 AM	5:16 PM	12 hr 04 min	4 sec shorter than the previous day
Monday, October 26	5:12 AM	5:16 PM	12 hr 04 min	4 sec shorter than the previous day
Tuesday, October 27	5:12 AM	5:16 PM	12 hr 04 min	4 sec shorter than the previous day
Wednesday, October 28	5:12 AM	5:15 PM	12 hr 04 min	4 sec shorter than the previous day

Weather forecast for Santo António

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Plan around Santo António

Upcoming national public holidays in Sao Tome and Principe

Mon, Dec 21, 2026São Tomé Day
Fri, Dec 25, 2026Christmas Day
Fri, Jan 1, 2027New Year's Day

Frequently asked questions

What time zone is Santo António in?: Santo António uses Greenwich Mean Time (GMT, UTC+0) all year. Its IANA time zone is Africa/Sao_Tome.
When is the next clock change in Santo António?: No clock changes are scheduled for Santo António in the next 12 months
Does Santo António observe daylight saving time?: No. Santo António uses GMT (UTC+0) all year.
What is the UTC offset of Santo António?: Santo António is UTC+0 all year