July 21, 2026 · Changshu City, China
Sunset in Changshu City today is at 19:02. Day length is 13h 56m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Changshu City's coordinates and updated daily.
Changshu City lies at 32°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 Changshu City.
The longest day in Changshu City is around 14h 13m (around June 21). The shortest is around 10h 5m (around December 21). Days are currently getting shorter — losing about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 17:16 | 06:58 | 10h 18m |
| February | 17:44 | 06:40 | 11h 3m |
| March | 18:05 | 06:09 | 11h 56m |
| April | 18:26 | 05:30 | 12h 56m |
| May | 18:47 | 05:02 | 13h 45m |
| June | 19:04 | 04:52 | 14h 12m |
| July | 19:04 | 05:03 | 14h 2m |
| August | 18:43 | 05:23 | 13h 20m |
| September | 18:05 | 05:42 | 12h 24m |
| October | 17:27 | 06:00 | 11h 27m |
| November | 16:59 | 06:25 | 10h 34m |
| December | 16:56 | 06:50 | 10h 6m |