July 21, 2026 · Changshu City, China
Changshu City has 13h 56m of daylight today. Sunrise is at 05:06 and sunset is at 19:02. All times are calculated astronomically for Changshu City's exact coordinates.
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.
Day length changes fastest near the spring and autumn equinoxes and slowest near the longest day and shortest day of the year. See the year chart to visualise how daylight hours shift month by month for Changshu City, or see daylight hours for every day of the year.
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 | Day length | Sunrise | Sunset |
|---|---|---|---|
| January | 10h 18m | 06:58 | 17:16 |
| February | 11h 3m | 06:40 | 17:44 |
| March | 11h 56m | 06:09 | 18:05 |
| April | 12h 56m | 05:30 | 18:26 |
| May | 13h 45m | 05:02 | 18:47 |
| June | 14h 12m | 04:52 | 19:04 |
| July | 14h 2m | 05:03 | 19:04 |
| August | 13h 20m | 05:23 | 18:43 |
| September | 12h 24m | 05:42 | 18:05 |
| October | 11h 27m | 06:00 | 17:27 |
| November | 10h 34m | 06:25 | 16:59 |
| December | 10h 6m | 06:50 | 16:56 |