Daylight Hours Calculator
Calculate sunrise, sunset, and total daylight hours for any location and date. See monthly daylight patterns.
Inputs
°
Results
Daylight Hours
14.92 hrs
Sunrise (Solar)4:34
Sunset (Solar)19:29
Solar Noon12:01
Night Hours9.08 hrs
How to Use This Calculator
- Enter your Latitude in decimal degrees (positive = north, negative = south).
- Select the Month and enter the Day to calculate solar times for that specific date.
- Review Daylight Hours, Solar Sunrise and Sunset times, Solar Noon, and Night Hours.
- Use June 21 (summer solstice) and December 21 (winter solstice) to see your longest and shortest days.
How the result changes with Latitude
| Latitude | Daylight Hours |
|---|---|
| -72 | 0 hrs |
| -27 | 10.3 hrs |
| 27 | 13.7 hrs |
| 72 | 24 hrs |
What each input means
- Latitude
- Positive = North, Negative = South
- Month
- Month of the year (1-12).
How this is calculated
Worked example, using the default values
- Identify Input ParametersLatitude = 40.7, Month = 6, Day = 21 = 3 input(s) provided
- Calculate Daylight HoursDaylight Hours14.92 = 14.92
- Calculate SunriseSunrise4:34 = 4:34
- Calculate SunsetSunset19:29 = 19:29
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