Daylight hours in Koror
Koror gets 12h 33m of daylight on its longest day in June, and 11h 42m on its shortest in December — a difference of 0h 51m across the year.
How fast the days change
Around 22 March, Koror gains or loses about 0.4 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 Pacific/Palau local time, daylight saving included.
| Month | Sunrise | Sunset | Daylight | Solar noon |
|---|---|---|---|---|
| January | 06:19 | 18:03 | 11h 44m | 12:11 |
| February | 06:19 | 18:13 | 11h 54m | 12:16 |
| March | 06:08 | 18:13 | 12h 04m | 12:11 |
| April | 05:53 | 18:10 | 12h 17m | 12:02 |
| May | 05:44 | 18:12 | 12h 27m | 11:58 |
| June | 05:46 | 18:18 | 12h 33m | 12:02 |
| July | 05:52 | 18:23 | 12h 31m | 12:08 |
| August | 05:55 | 18:17 | 12h 22m | 12:06 |
| September | 05:52 | 18:02 | 12h 10m | 11:57 |
| October | 05:48 | 17:46 | 11h 58m | 11:47 |
| November | 05:52 | 17:40 | 11h 47m | 11:46 |
| December | 06:06 | 17:48 | 11h 42m | 11:57 |
Solstices and equinoxes
| Date | Sunrise | Sunset | Daylight | |
|---|---|---|---|---|
| March equinox | 20 Mar | 06:06 | 18:12 | 12h 07m |
| June solstice | 21 Jun | 05:47 | 18:20 | 12h 33m |
| September equinox | 22 Sep | 05:51 | 17:58 | 12h 07m |
| December solstice | 21 Dec | 06:09 | 17:50 | 11h 42m |
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.
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.