What time zone is Santo António in?

Santo António currently uses Greenwich Mean Time (GMT). Its IANA time zone is Africa/Sao_Tome.

What is the UTC offset in Santo António right now?

Santo António is currently UTC

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

9:04:49 AM

09:04:49

Friday, September 25, 2026

GMT (Greenwich Mean Time) · UTC

Africa/Sao_Tome

Compare Santo António time View Santo António on map

Time zone details

Santo António does not observe daylight saving time in 2026

Daylight in Santo António

Sunrise5:18 AMSolar noon11:22 AMSunset5:25 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

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

Geography

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

View on map

Convert Santo António time

Compare Santo António with another city or time zone

Clock changes in Santo António

2026

No clock or time-zone designation changes in 2026

Future clock changes, 2027–2030

Sun & Moon details

Sunrise: 5:18 AM
Solar noon: 11:22 AM
Sunset: 5:25 PM
Daylight duration: 12 hr 06 min5 sec shorter than the previous day

Civil twilight: 4:58 AM – 5:45 PM
Nautical twilight: 4:34 AM – 6:09 PM
Astronomical twilight: 4:10 AM – 6:33 PM

Full MoonMoon illumination98%

View full Sun & Moon detailsHide full Sun & Moon details

Friday, September 25, 2026

View Santo António on SavvyTime's time-zone map

Sun

Sunrise: 5:18 AM (east, 90.8°)
Sunset: 5:25 PM (west, 269.0°)
Day length: 12 hr 06 min5 sec shorter than the previous day
Solar noon: 11:22 AM (87.4° altitude)

Civil twilight

Dawn to dusk: 4:58 AM – 5:45 PM

Additional twilight

Nautical dawn to dusk: 4:34 AM – 6:09 PM
Astronomical dawn to dusk: 4:10 AM – 6:33 PM

Moon

Phase: Full Moon (98% illuminated)
Moonrise: 4:33 PM (east, 92.3°)
Moonset: 4:09 AM (west, 264.6°)
Previous principal phase: First Quarter — Friday, September 18, 2026 at 8:44 PM
Next principal phase: Full Moon — Saturday, September 26, 2026 at 4:49 PM

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local date	Sunrise	Sunset	Day length	Daily change
Friday, September 25	5:18 AM	5:25 PM	12 hr 06 min	5 sec shorter than the previous day
Saturday, September 26	5:18 AM	5:24 PM	12 hr 06 min	6 sec shorter than the previous day
Sunday, September 27	5:18 AM	5:24 PM	12 hr 06 min	5 sec shorter than the previous day
Monday, September 28	5:17 AM	5:23 PM	12 hr 06 min	5 sec shorter than the previous day
Tuesday, September 29	5:17 AM	5:23 PM	12 hr 06 min	5 sec shorter than the previous day
Wednesday, September 30	5:17 AM	5:23 PM	12 hr 06 min	5 sec shorter than the previous day
Thursday, October 1	5:17 AM	5:22 PM	12 hr 06 min	5 sec shorter than the previous day

Weather forecast for Santo António

Loading weather forecast…

Plan around Santo António

Upcoming national public holidays in São Tomé & Príncipe

Wed, Sep 30, 2026Agricultural Reform Day
Mon, Dec 21, 2026São Tomé Day
Fri, Dec 25, 2026Christmas Day

Frequently asked questions

What time zone is Santo António in?: Santo António currently uses Greenwich Mean Time (GMT). 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?: Santo António does not observe daylight saving time in 2026
What is the UTC offset in Santo António right now?: Santo António is currently UTC