Calculate the ratio of daylight to nighttime for any location and date. See how day length compares to night length.
Enter your values below
Your geographic latitude.
Your geographic longitude.
Date to calculate the day/night ratio for.
How this calculator works
Divides daylight hours by nighttime hours to produce the day-to-night ratio, useful for seasonal comparisons.
Common questions about this calculator
These calculators are for informational purposes only. While we strive for accuracy, results should not be used as the sole basis for important decisions.
