Sunrise and sunset in Bayan Nur, China
Bayan Nur, Inner Mongolia, China sits at 40.7 degrees north. Days stretch to about 15 h 06 m around the June solstice and shrink to 9 h 15 m around the December solstice, a swing of 5 h 51 m.
The sun in Bayan Nur today
Today in Bayan Nur
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Day length in Bayan Nur through the year
Sunrise and sunset month by month
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 15 | 08:12 | 17:47 | 9 h 34 m |
| February 15 | 07:44 | 18:24 | 10 h 40 m |
| March 15 | 07:02 | 18:56 | 11 h 54 m |
| April 15 | 06:11 | 19:29 | 13 h 17 m |
| May 15 | 05:33 | 20:00 | 14 h 27 m |
| June 15 | 05:18 | 20:23 | 15 h 05 m |
| July 15 | 05:31 | 20:20 | 14 h 49 m |
| August 15 | 06:00 | 19:49 | 13 h 49 m |
| September 15 | 06:30 | 19:00 | 12 h 30 m |
| October 15 | 07:01 | 18:11 | 11 h 10 m |
| November 15 | 07:37 | 17:32 | 9 h 56 m |
| December 15 | 08:07 | 17:23 | 9 h 16 m |
Typical times in Bayan Nur's local clock (Asia/Shanghai); year-to-year drift is under a couple of minutes. Dates near a daylight saving change can shift the reading by an hour.
First light and last light
Civil twilight: the sky is bright enough for most outdoor activity while the sun sits less than 6 degrees below the horizon.
| Time of year | First light | Sunrise | Sunset | Last light |
|---|---|---|---|---|
| March equinox | 06:26 | 06:54 | 19:01 | 19:29 |
| June solstice | 04:45 | 05:19 | 20:25 | 20:58 |
| September equinox | 06:10 | 06:37 | 18:48 | 19:16 |
| December solstice | 07:39 | 08:10 | 17:25 | 17:56 |
Common questions
What time is golden hour in Bayan Nur?
Golden hour is the stretch just after sunrise and just before sunset while the sun stays below about 6 degrees altitude. The live card above computes today's exact windows for Bayan Nur; as a rule of thumb it lasts roughly 30 to 75 minutes depending on the season and Bayan Nur's latitude.
How long is the longest day in Bayan Nur?
About 15 h 06 m, around the June solstice. The shortest day is about 9 h 15 m.
How accurate are these times?
Within about a minute at ordinary latitudes, using the standard definition of sunrise and sunset (sun's center 0.833 degrees below the horizon, accounting for refraction and the sun's radius). Terrain and buildings on your horizon change what you actually see.
Sunrise and sunset elsewhere in China
Sun times computed with standard NOAA solar equations at Bayan Nur's coordinates (40.74, 107.39). Today's card recomputes live in your browser.