São ToméSao Tome and Principe
Current time in São Tomé, Sao Tome and Principe
Friday, 25 September 2026
Greenwich Mean TimeUTC+00:00
⛶ Full-screen clockSão Tomé time at a glance
- Country
- Sao Tome and Principe
- Location
- Capital city of Sao Tome and Principe
- Time zone
Africa/Sao_Tome- UTC offset now
UTC+00:00- Current zone label
- GMT
- Next clock change
- No upcoming change available
Sao Tome time guide
Does Sao Tome change its clocks?
UTC+00:00.- Year-round offset
- Greenwich Mean Time (GMT), UTC+00:00
- Time-zone identifier
- Africa/Sao_Tome
- Sao Tome and London
- Same time during GMT; 1 hour behind during BST
- Sao Tome and New York
- 5 hours ahead during EST; 4 hours ahead during EDT
City and Agua Grande district
The census publishes the capital through its district
Sao Tome and Principe's 2024 census counted 80,647 residents in Agua Grande district, the urban district containing the capital. That district total is a clearer official measure than presenting it as a settlement-only count.
Time-zone identity for São Tomé
- IANA zone
Africa/Sao_Tome- UTC offset now
- UTC+00:00
- Current zone label
- GMT
- Clock-change status
- No UTC offset change was found in the next 370 days.
São Tomé is currently the same clock time as UTC. The named zone, rather than the offset alone, should be used for future dates.
Clock changes in São Tomé
370-day checked horizon
No UTC offset change was found through Thursday, 30 September 2027 in runtime time-zone data 2026b.
Time-zone history
UTC offset changes for São Tomé
A bounded record of offset transitions calculated for Africa/Sao_Tome, 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.
Capital city context
About São Tomé, capital of Sao Tome and Principe
São Tomé is the capital of Sao Tome and Principe. This page combines its live local clock with location, time-zone, weather, Sun and Moon information.
- Capital status
- Capital of Sao Tome and Principe
- Administrative area
- São Tomé Island, Sao Tome and Principe
- Population
- 53,300
- Coordinates
- 0.3376° N, 6.7299° E. The elevation is 140 metres.
Nearby city clocks
Cities near São Tomé
Nearby cities are ordered by approximate straight-line distance from São Tomé. Times are calculated for the same instant shown above.
- LibrevilleEstuaire, Gabon303 km east
Africa/Libreville1 hour ahead - Ciudad de la PazDjibloho, Equatorial Guinea476 km east
Africa/Malabo1 hour ahead - YaoundéCentre, Cameroon661 km northeast
Africa/Douala1 hour ahead - LagosNigeria774 km northwest
Africa/Lagos1 hour ahead - Porto-NovoOuémé, Benin824 km northwest
Africa/Porto-Novo1 hour ahead - LoméMaritime, Togo888 km northwest
Africa/LomeSame local time
Sources for São Tomé time and city facts
Time-zone calculations use runtime tzdb 2026b. Weather and astronomy sources include their own retrieval times where available.
View 4 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.
- Fifth General Population and Housing Census resultsNational Institute of Statistics Sao Tome and Principe · 2024 census · AccessedOfficial resident population by district and urban or rural residence.