How many hours of daylight does São Tomé get on its longest day?

About 12h 08m, around June 21, with sunrise at 05:31 and sunset at 17:40 local time.

How short is the shortest day in São Tomé?

About 12h 06m, around December 21, with sunrise at 05:29 and sunset at 17:35 local time.

How much does day length change in São Tomé through the year?

By 0h 02m between the longest and shortest days. It changes fastest around April 26, by about 0.0 minutes a day.

São Tomé & Príncipe · 0.34°N, 6.73°E

Daylight hours in São Tomé

São Tomé gets 12h 08m of daylight on its longest day, around June 21, and 12h 06m on its shortest, around December 21: a swing of 0h 02m across the year. So close to the equator, day length barely changes with the seasons.

Today in São Tomé

Sunrise–

Sunset–

Daylight–

vs yesterday–

Sunrise and sunset through the year

Local time, including daylight saving time where São Tomé observes it, which is why the lines can jump by an hour. The shaded band is daylight. 2026 dates.

Key days

Longest day12h 08mJune 21 · 05:31–17:40

Shortest day12h 06mDecember 21 · 05:29–17:35

March equinox12h 07mMarch 20 · 05:38–17:45

Fastest change+0.0 min/dayaround April 26

Daylight by month

Sunrise, sunset and day length in São Tomé on the first of each month, 2026
Date	Sunrise	Sunset	Daylight
January 1	05:34	17:40	12h 06m
February 1	05:44	17:50	12h 06m
March 1	05:43	17:50	12h 06m
April 1	05:34	17:41	12h 07m
May 1	05:27	17:35	12h 08m
June 1	05:28	17:36	12h 08m
July 1	05:33	17:42	12h 08m
August 1	05:36	17:44	12h 08m
September 1	05:31	17:38	12h 07m
October 1	05:20	17:27	12h 07m
November 1	05:14	17:21	12h 06m
December 1	05:20	17:26	12h 06m

Cities with similar daylight

These cities sit within 3° of São Tomé’s latitude in the same hemisphere, so their days grow and shrink almost in step:

Kampala 0.32°N
Pekanbaru 0.52°N
Singapore 1.29°N
Mogadishu 2.04°N
Klang 3.04°N
Kuala Lumpur 3.14°N

More: all cities between 0°–10° North · compare São Tomé with any city