Current Time in Sao Tome, Sao Tome and Principe 🇸🇹
The current local time in Sao Tome, Sao Tome and Principe is 19:42:21 (GMT) on Monday, 20 July 2026. Sao Tome is not currently observing daylight saving time. The city has a population of about 71,000. The sun rises at about 05:35 and sets at 17:43 today (12h 08m of daylight).
- Sunrise 05:35
- Sunset 17:43
- 12h 08m daylight
Time zone & daylight saving in Sao Tome
Sao Tome, Sao Tome and Principe keeps GMT (UTC). Sao Tome does not change its clocks for daylight saving, so its offset from UTC stays the same all year.
Today the sun rises at about 05:35 and sets at about 17:43 local time, giving Sao Tome 12h 08m of daylight.
Right now it is 19:42 on Monday in Sao Tome (UTC). When it is 19:42 here, it is 15:42 in New York (4h behind), so a quick look at the world clock beats doing the math in your head before a call.
Need a reminder on Sao Tome time rather than your own clock? A browser alarm handles that as long as the tab stays open and the device is awake - here is how an online alarm clock works.
Quick scheduling notes for Sao Tome
- Use the Africa/Sao_Tome IANA zone when you need the exact rule set for software, calendars, or travel planning.
- Daylight saving is not active now, but it can still affect future dates in some places.
- For a future call, use the time zone converter and then set a matching online alarm.
Time difference from Sao Tome to major cities
| City | Current time | Difference |
|---|---|---|
| New York | 15:42 Mon | 4h behind |
| Los Angeles | 12:42 Mon | 7h behind |
| London | 20:42 Mon | 1h ahead |
| Paris | 21:42 Mon | 2h ahead |
| Dubai | 23:42 Mon | 4h ahead |
| Mumbai | 01:12 Tue | 5.5h ahead |
| Singapore | 03:42 Tue | 8h ahead |
| Tokyo | 04:42 Tue | 9h ahead |
| Sydney | 05:42 Tue | 10h ahead |
Best next checks from Sao Tome
Compare Sao Tome with nearby business hubs, then follow the city links above for live local clocks. You can also browse more time pages for Sao Tome and Principe.
Business-hours overlap from Sao Tome
For a normal business-hours call, 13:00-17:00 in Sao Tome overlaps with 09:00-13:00 in New York.
| Compare with | Sao Tome time | Other city time | Overlap |
|---|---|---|---|
| New York | 13:00-17:00 | 09:00-13:00 | 4 hours |
| Los Angeles | 16:00-17:00 | 09:00-10:00 | 1 hour |
| London | 09:00-16:00 | 10:00-17:00 | 7 hours |
| Paris | 09:00-15:00 | 11:00-17:00 | 6 hours |
| Dubai | 09:00-13:00 | 13:00-17:00 | 4 hours |
| Mumbai | 09:00-11:30 | 14:30-17:00 | 2.5 hours |
Simple meeting rule
Pick a slot that lands inside both workdays, then confirm the date again if the meeting is near a daylight saving change.
Sao Tome time - Frequently asked questions
What time zone is Sao Tome in?
Sao Tome uses GMT (UTC). It stays on the same UTC offset all year, with no daylight saving changes.
Does Sao Tome observe daylight saving time?
No - Sao Tome keeps the same time offset throughout the year.
What time are sunrise and sunset in Sao Tome today?
Today the sun rises around 05:35 and sets around 17:43 in Sao Tome, about 12h 08m of daylight.
What is the time difference between Sao Tome and other cities?
When it is 19:42 in Sao Tome, it is 15:42 in New York (4h behind). See the table above for Sao Tome's difference from other major cities.
How Alarm.now calculates time in Sao Tome
Live clock source
The clock uses the current time with the Africa/Sao_Tome IANA time zone, then updates in your browser every second. Country context comes from the Sao Tome and Principe time page.
Local entity signals for Sao Tome
These facts help separate this city page from a generic clock page: the place, country, coordinates, time-zone rule set, and daylight context are all tied to Sao Tome.
| Country | Sao Tome and Principe |
|---|---|
| IANA zone | Africa/Sao_Tome (UTC+00:00) |
| Coordinates | 0.34, 6.73 |
| Population signal | About 71,000 people |
| Today's daylight | Sunrise 05:35, sunset 17:43, 12h 08m total daylight |
Best internal links from this city
Start with this live city clock, then move to the exact Africa/Sao_Tome time-zone page for rules, the Sao Tome and Principe country page for nearby cities, and the time zone converter for future dates.
Future-date checks
For future meetings, compare the city time with the time zone converter because daylight saving changes can shift the offset on a later date.
Lat/Long: 0.34° N, 6.73° E
Population: 71,000
Country: 🇸🇹 Sao Tome and Principe
Timezone: GMT
Daylight Saving Time: No ❌
Standard Timezone Abbreviations used in Sao Tome and Principe: GMT