July 21, 2026 · Ōtsu, Japan
Sunset in Ōtsu today is at 19:09. Day length is 14h 11m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Ōtsu's coordinates and updated daily.
Ōtsu 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 Ōtsu.
The longest day in Ōtsu is around 14h 31m (around June 21). The shortest is around 9h 48m (around December 21). Days are currently getting shorter — losing about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 17:08 | 07:05 | 10h 3m |
| February | 17:39 | 06:44 | 10h 55m |
| March | 18:04 | 06:09 | 11h 55m |
| April | 18:29 | 05:26 | 13h 3m |
| May | 18:53 | 04:54 | 13h 59m |
| June | 19:13 | 04:43 | 14h 30m |
| July | 19:12 | 04:54 | 14h 18m |
| August | 18:47 | 05:17 | 13h 30m |
| September | 18:06 | 05:40 | 12h 26m |
| October | 17:24 | 06:02 | 11h 21m |
| November | 16:53 | 06:31 | 10h 21m |
| December | 16:47 | 06:58 | 9h 49m |