July 21, 2026 · Dadonghai, China
Dadonghai has 13h 4m of daylight today. Sunrise is at 06:17 and sunset is at 19:21. All times are calculated astronomically for Dadonghai's exact coordinates.
Dadonghai lies at 18°N. Near the tropics, day length stays close to 12 hours year-round, with only minor variation between seasons.
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 Dadonghai, or see daylight hours for every day of the year.
The longest day in Dadonghai is around 13h 13m (around June 21). The shortest is around 11h 2m (around December 21). Days are currently getting shorter — losing about 1 minute per day.
| Month | Day length | Sunrise | Sunset |
|---|---|---|---|
| January | 11h 9m | 07:17 | 18:26 |
| February | 11h 33m | 07:11 | 18:43 |
| March | 12h 1m | 06:51 | 18:52 |
| April | 12h 33m | 06:26 | 18:59 |
| May | 12h 59m | 06:10 | 19:09 |
| June | 13h 13m | 06:07 | 19:20 |
| July | 13h 8m | 06:15 | 19:22 |
| August | 12h 45m | 06:25 | 19:10 |
| September | 12h 15m | 06:31 | 18:46 |
| October | 11h 45m | 06:36 | 18:21 |
| November | 11h 17m | 06:49 | 18:06 |
| December | 11h 3m | 07:06 | 18:09 |