Today in Udon Thani, Thailand, the sun rises at 5:41 AM and sets at 6:49 PM, giving the city exactly 13h 7m of daylight. That is 1 minutes shorter than yesterday—just past its peak, losing daylight slowly. With 166 days until the Winter Solstice on December 21, Udon Thani is currently in its Summer season.
Golden Hour & Twilight Windows in Udon Thani
For photographers, filmmakers, and outdoor enthusiasts, the morning golden hour in Udon Thani runs from N/A to 6:12 AM. The evening golden hour begins at 6:18 PM and lasts until 6:49 PM.
Civil twilight—when there is still sufficient ambient light to see clearly outdoors—begins at N/A. Near the equator, Udon Thani's daylight stays remarkably stable year-round, deviating very little from the annual average.
Solar Noon & UV Index
Solar noon in Udon Thani falls exactly at 12:15 PM, which is the moment the sun reaches its peak altitude of -3.33 above the horizon. At this specific time, the solar angle produces a relatively low UV exposure day for Udon Thani, typical of its Summer season.
Why Does Sunrise Shift in Udon Thani?
At Udon Thani's latitude of 17.5211917°, the sun currently rises at an azimuth of 474.85° (ESE). Because of the Earth's axial tilt, this position shifts slightly every day. Sunrise and sunset times for Udon Thani are calculated using advanced solar algorithms (SunCalc) based on coordinates 17.5211917, 102.6680012. Times are mathematically accurate to ±30 seconds.
Historical Sunrise in Udon Thani (Past Years)
Due to the Earth's precise orbit, solar times remain highly consistent year over year. Here is a comparison of today's sunrise and sunset times in Udon Thani versus 1 year and 5 years ago:
| Year | Sunrise | Sunset | Daylight |
|---|---|---|---|
| Today | 5:41 AM | 6:49 PM | 13h 7m |
| 2025 | 5:41 AM | 6:49 PM | 13h 7m |
| 2021 | 5:41 AM | 6:49 PM | 13h 7m |
Frequently Asked Questions
What time does the sun rise in Udon Thani today?
In Udon Thani, the sun rises at exactly 5:41 AM and sets at 6:49 PM today. This gives the city a total of 13h 7m of daylight.
When is golden hour in Udon Thani today?
Today, morning golden hour in Udon Thani runs from N/A to 6:12 AM. Evening golden hour begins at 6:18 PM and lasts until 6:46 PM.
Why does sunrise in Udon Thani shift every day?
At Udon Thani's latitude, the sun currently rises at an azimuth of 474.85° (ESE). Because of Earth's tilt, the city is just past its peak, losing daylight slowly until the Winter Solstice on December 21.
What is the UV Index in Udon Thani at solar noon?
Solar noon occurs at 12:15 PM when the sun reaches -3.33. This produces a relatively low UV exposure day for Udon Thani, typical of its Summer season.
Has the sunrise time in Udon Thani changed compared to previous years?
Due to the Earth's precise orbit, solar times remain highly consistent year over year. Exactly one year ago in 2025, sunrise was at 5:41 AM, and five years ago in 2021, it was at 5:41 AM.