What time zone is Riboque in?

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

Current Time in Riboque, São Tomé Island, Sao Tome and Principe

8:13:53 AM

08:13:53

Thursday, September 17, 2026

GMT (Greenwich Mean Time) · UTC

Africa/Sao_Tome

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Time zone details

Riboque does not observe daylight saving time in 2026

Daylight in Riboque

Sunrise5:24 AMSolar noon11:27 AMSunset5:30 PM

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

Location facts

Place

Country: Sao Tome and Principe
Administrative area: São Tomé Island
Place type: Locality
Country currency: São Tomé & Príncipe Dobra (STN)

Practical

Languages: Portuguese
Dialing code: +239
Population: 4,640
Elevation: 28 m

Geography

Geographic coordinates: 0° 20' N / 6° 43' E

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Clock changes in Riboque

2026

No clock or time-zone designation changes in 2026

Future clock changes, 2027–2030

Sun & Moon details

Sunrise: 5:24 AM
Solar noon: 11:27 AM
Sunset: 5:30 PM
Daylight duration: 12 hr 07 min1 sec shorter than the previous day

Civil twilight: 5:03 AM – 5:51 PM
Nautical twilight: 4:39 AM – 6:15 PM
Astronomical twilight: 4:15 AM – 6:39 PM

First QuarterMoon illumination37%

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Thursday, September 17, 2026

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Sun

Sunrise: 5:24 AM (east, 87.8°)
Sunset: 5:30 PM (west, 272.1°)
Day length: 12 hr 07 min1 sec shorter than the previous day
Solar noon: 11:27 AM (88.2° altitude)

Civil twilight

Dawn to dusk: 5:03 AM – 5:51 PM

Additional twilight

Nautical dawn to dusk: 4:39 AM – 6:15 PM
Astronomical dawn to dusk: 4:15 AM – 6:39 PM

Moon

Phase: First Quarter (37% illuminated)
Moonrise: 10:13 AM (southeast, 116.9°)
Moonset: 10:36 PM (southwest, 242.4°)
Previous principal phase: New Moon — Friday, September 11, 2026 at 3:27 AM
Next principal phase: First Quarter — Friday, September 18, 2026 at 8:44 PM

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local date	Sunrise	Sunset	Day length	Daily change
Thursday, September 17	5:24 AM	5:30 PM	12 hr 07 min	1 sec shorter than the previous day
Friday, September 18	5:23 AM	5:30 PM	12 hr 07 min	1 sec shorter than the previous day
Saturday, September 19	5:23 AM	5:30 PM	12 hr 07 min	1 sec shorter than the previous day
Sunday, September 20	5:23 AM	5:29 PM	12 hr 06 min	2 sec shorter than the previous day
Monday, September 21	5:22 AM	5:29 PM	12 hr 06 min	1 sec shorter than the previous day
Tuesday, September 22	5:22 AM	5:29 PM	12 hr 06 min	1 sec shorter than the previous day
Wednesday, September 23	5:22 AM	5:28 PM	12 hr 06 min	1 sec shorter than the previous day

Weather forecast for Riboque

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Plan around Riboque

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 Riboque in?: Riboque currently uses Greenwich Mean Time (GMT). Its IANA time zone is Africa/Sao_Tome.
When is the next clock change in Riboque?: No clock changes are scheduled for Riboque in the next 12 months
Does Riboque observe daylight saving time?: Riboque does not observe daylight saving time in 2026
What is the UTC offset in Riboque right now?: Riboque is currently UTC