Changzhou
Sunrise and sunset in Changzhou
Today’s sunrise, sunset and twilight in Changzhou, in local time. At 31.8° N, the day lasts from 10 h 04 min at the winter solstice to 14 h 14 min at the summer solstice.
Today · worked out at
Thursday, October 22: sunrise at 06:08, sunset at 17:20.
Day length 11 h 12 min, 1 min 49 s shorter than yesterday.
Solar noon at 11:44, with the Sun 47° above the horizon.
Times are Changzhou time (GMT+8).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 04:46 | 18:42 |
| Nautical twilight | 05:14 | 18:13 |
| Civil twilight | 05:43 | 17:45 |
| Sunrise and sunset | 06:08 | 17:20 |
| Golden hour | 06:08–06:41 | 16:47–17:20 |
Each twilight begins at the morning time and ends at the evening one.
The year in Changzhou
- Longest day: June 21, 14 h 14 min, from sunrise at 04:55 to sunset at 19:08.
- Shortest day: December 22, 10 h 04 min, from sunrise at 06:56 to sunset at 17:00.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 06:59 | 17:24 | 10 h 25 min |
| February 21 | 06:36 | 17:51 | 11 h 15 min |
| March 21 | 06:03 | 18:12 | 12 h 09 min |
| April 21 | 05:25 | 18:33 | 13 h 08 min |
| May 21 | 05:00 | 18:53 | 13 h 54 min |
| June 21 | 04:55 | 19:08 | 14 h 14 min |
| July 21 | 05:08 | 19:04 | 13 h 56 min |
| August 21 | 05:28 | 18:37 | 13 h 09 min |
| September 21 | 05:47 | 17:58 | 12 h 11 min |
| October 21 | 06:07 | 17:21 | 11 h 14 min |
| November 21 | 06:33 | 16:58 | 10 h 25 min |
| December 21 | 06:55 | 17:00 | 10 h 04 min |
Good to know
- Sunrise and sunset are when the top of the Sun meets a level horizon, allowing for the usual bending of light by the air. Hills, buildings and height shift what you see by a few minutes.
- Civil, nautical and astronomical twilight end when the Sun is 6°, 12° and 18° below the horizon. Golden hour here is the photographers’ usual definition: the Sun less than 6° above it.
- Worked out when the page loads from NOAA’s solar equations, for 31.8° N, 120° E, and accurate to about a minute.
How the layers work, where their data comes from and what they can’t tell you: Day and night, live, The Sun, Moon and planets
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