July 21, 2026 · Yokosuka, Japan
Sunset in Yokosuka today is at 18:54. Day length is 14h 12m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Yokosuka's coordinates and updated daily.
Yokosuka lies at 35°N. At this latitude, day length varies moderately — from around 10 hours in midwinter to 14–15 hours in midsummer.
Sunset shifts later through spring and earlier through autumn — changing fastest near the equinoxes and slowest near the summer and winter solstices. See the year chart to visualise how sunset times shift month by month for Yokosuka.
The longest day in Yokosuka is around 14h 32m (around June 21). The shortest is around 9h 46m (around December 21). Days are currently getting shorter — losing about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 16:52 | 06:50 | 10h 2m |
| February | 17:23 | 06:29 | 10h 54m |
| March | 17:49 | 05:54 | 11h 55m |
| April | 18:14 | 05:11 | 13h 3m |
| May | 18:39 | 04:39 | 14h 0m |
| June | 18:58 | 04:27 | 14h 31m |
| July | 18:58 | 04:38 | 14h 19m |
| August | 18:32 | 05:01 | 13h 31m |
| September | 17:51 | 05:24 | 12h 27m |
| October | 17:08 | 05:47 | 11h 21m |
| November | 16:37 | 06:17 | 10h 20m |
| December | 16:31 | 06:43 | 9h 48m |