Calculates the time of sunset for a given location and date.
f(x)sunset_time = solar_noon + sunset_angle_time
1Get the solar noon time for your location
2Calculate hours after solar noon when sun sets
3Add to solar noon to get sunset time
例 1
入力:Latitude 40°N, December 21 (winter solstice)
結果:4:45 PM
Daylight duration changes with latitude and season
Q
What is a Sunset Time 計算機?
A
Calculates the time of sunset for a given location and date.
Q
How does the Sunset Time 計算機 work?
A
Get the solar noon time for your location Then: Calculate hours after solar noon when sun sets Then: Add to solar noon to get sunset time.
Q
Can you give an example of how to use the Sunset Time 計算機?
A
Example: Input Latitude 40°N, December 21 (winter solstice) gives a result of 4:45 PM (Daylight duration changes with latitude and season).
Q
Is the Sunset Time 計算機 free to use?
A
Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.
Q
How accurate is the Sunset Time 計算機?
A
Our Sunset Time 計算機 uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.
!Confusing sunset with twilight end
!Not adjusting for elevation and horizon obstruction