Greenwich Mean Time (Sao Tome)
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Time in Sao Tome and Principe right now
Sao Tome and Principe keeps one clock all year: Greenwich Mean Time (Sao Tome), UTC+0. Clocks do not change for daylight saving time.
Live clock for Sao Tome and Principe
Local times come from your browser's IANA time zone data.
Sao Tome and Principe time zone at a glance
| Zone | January | July | Daylight saving |
|---|---|---|---|
| Greenwich Mean Time (Sao Tome) | UTC+0 (UTC) | UTC+0 (UTC) | No |
City clocks in Sao Tome and Principe:
Sunrise and sunset in Sao Tome and Principe through the year
Typical times at each zone's reference point, in that zone's local clock. Year-to-year drift is under a couple of minutes; dates near a daylight saving change can shift the clock reading by an hour.
| Time of year | Sunrise | Sunset | Day length |
|---|---|---|---|
| March equinox (about Mar 20) | 05:37 | 17:43 | 12 h 07 m |
| June solstice (about Jun 21) | 05:30 | 17:39 | 12 h 08 m |
| September equinox (about Sep 22) | 05:22 | 17:29 | 12 h 07 m |
| December solstice (about Dec 21) | 05:28 | 17:34 | 12 h 06 m |
Countries on the same clock as Sao Tome and Principe
Same time as Sao Tome and Principe in both January and July:
- Burkina Faso
- Gambia
- Ghana
- Guinea
- Guinea-Bissau
- Iceland
- Ivory Coast
- Liberia
- Mali
- Mauritania
- Senegal
- Sierra Leone
- Togo
Aligned for part of the year only, because one side changes clocks for daylight saving:
Common questions about time in Sao Tome and Principe
How many time zones does Sao Tome and Principe use?
Sao Tome and Principe uses a single civil time zone, Greenwich Mean Time (Sao Tome).
Does Sao Tome and Principe observe daylight saving time?
No. Clocks in Sao Tome and Principe stay on the same offset all year.
What is the time difference between Sao Tome and Principe and UTC?
In January: UTC+0. In July: UTC+0. The live cards above show the difference from your own clock right now.
Zone list verified 2026-07. Live times and sun calculations run in your browser from its built-in IANA time zone data and standard NOAA solar equations.