howmuchsun

Daylight hours in Taipei

Taipei gets 13h 41m of daylight on its longest day in June, and 10h 35m on its shortest in December — a difference of 3h 06m across the year.

How fast the days change

Around 17 March, Taipei gains or loses about 1.5 minutes of daylight every day.

Barely perceptible — near the equator the length of the day hardly changes at all, and the seasons announce themselves through rain and heat instead.

Sunrise and sunset by month

On the 15th of each month, in Asia/Taipei local time, daylight saving included.

Sunrise, sunset and day length by month.
MonthSunriseSunsetDaylightSolar noon
January 06:40 17:25 10h 45m 12:03
February 06:28 17:47 11h 19m 12:08
March 06:03 18:02 11h 59m 12:02
April 05:31 18:16 12h 44m 11:54
May 05:09 18:30 13h 21m 11:50
June 05:03 18:44 13h 41m 11:54
July 05:13 18:46 13h 33m 11:59
August 05:27 18:29 13h 01m 11:58
September 05:39 17:58 12h 19m 11:49
October 05:52 17:27 11h 35m 11:39
November 06:10 17:06 10h 56m 11:38
December 06:31 17:06 10h 35m 11:48

Solstices and equinoxes

DateSunriseSunsetDaylight
March equinox 20 Mar 05:58 18:04 12h 07m
June solstice 21 Jun 05:04 18:46 13h 42m
September equinox 22 Sep 05:42 17:51 12h 09m
December solstice 21 Dec 06:34 17:09 10h 35m

The equinoxes give almost exactly twelve hours of daylight everywhere on earth — "almost" because sunrise is defined by the sun's upper edge rather than its centre, and the atmosphere bends its light over the horizon before it has really arrived. Both lengthen the day by a few minutes.

Other cities in Taiwan

Assumptions

  • Sea-level horizon. Hills, mountains and buildings all delay sunrise and bring sunset forward, sometimes by a lot in a valley.
  • Standard refraction. Sunrise is taken at −0.833°, allowing for the sun's disc and average atmospheric bending. Unusual air conditions shift it by a minute or two.
  • Local clock time, with daylight saving applied from the IANA timezone database.

Full methodology, sources and known limitations