Sunrise and sunset in Cô Tô, Vietnam
Sunrise, sunset and twilight for Cô Tô today, in local time. At 10.4° N, days run from 11 h 31 min at the winter solstice to 12 h 44 min at the summer solstice.
- 17:37sunset today
Today · worked out at
The Sun is up from 05:49 to 17:37 in Cô Tô, Vietnam on Wednesday, October 28.
Day length 11 h 47 min, 30 s shorter than yesterday.
Solar noon at 11:43, with the Sun 67° above the horizon.
Times are Cô Tô time (GMT+7).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 04:38 | 18:48 |
| Nautical twilight | 05:03 | 18:23 |
| Civil twilight | 05:28 | 17:58 |
| Sunrise and sunset | 05:49 | 17:37 |
| Golden hour | 05:49–06:18 | 17:08–17:37 |
Each twilight begins at the morning time and ends at the evening one.
The year in Cô Tô
- Longest day: June 21, 12 h 44 min, from sunrise at 05:39 to sunset at 18:23.
- Shortest day: December 22, 11 h 31 min, from sunrise at 06:12 to sunset at 17:44.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 06:22 | 17:59 | 11 h 37 min |
| February 21 | 06:18 | 18:09 | 11 h 51 min |
| March 21 | 06:03 | 18:10 | 12 h 07 min |
| April 21 | 05:46 | 18:10 | 12 h 24 min |
| May 21 | 05:37 | 18:15 | 12 h 38 min |
| June 21 | 05:39 | 18:23 | 12 h 44 min |
| July 21 | 05:47 | 18:25 | 12 h 39 min |
| August 21 | 05:50 | 18:15 | 12 h 25 min |
| September 21 | 05:49 | 17:56 | 12 h 08 min |
| October 21 | 05:49 | 17:40 | 11 h 51 min |
| November 21 | 05:57 | 17:34 | 11 h 37 min |
| December 21 | 06:12 | 17:43 | 11 h 31 min |
Good to know
- Sunrise and sunset mark the moment the Sun’s upper edge touches a level horizon, with the air’s usual bending of light allowed for. Hills, buildings and altitude move 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 10.4° N, 105° 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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