Daylight Duration by Latitude Calculator
Estimate total daylight hours by geographic latitude and month.
Tool inputs stay in your browser · optional AI search sends your query
Good to know: Calculates astronomical day length using solar declination and geographic latitude coordinates.
How to use it (step by step)
- 1Fill in the boxes: “Latitude in Degrees (-90 to +90, Manila is ~14.6)”, “Month of the Year”. Example numbers are already there so you can see how it works; replace them with yours.
- 2The result updates instantly as you type (on a phone it is below the boxes).
- 3The bold line is the main answer. Tap Copy next to any value to copy it.
Words to know
- Time card / hours
- Adding up hours worked (minus breaks) to calculate pay. Overtime is time beyond normal hours, often paid at a higher rate.
More in Date & Time
Asphalt Heat & Dog Walking Safety CalculatorEstimate asphalt ground temperature from air temperature for paw safety.Golf Handicap Differential Score CalculatorCalculate your single-round handicap score differential.Subwoofer Enclosure Volume CalculatorCalculate internal cubic feet and liters for speaker box builds.Water Heater Tank Capacity Sizing CalculatorEstimate water heater gallon capacity and first-hour rating needed.Schengen 90/180-Day Stay PlannerCheck a proposed short stay against the rolling 90 days in any 180 days rule, with a daily CSV plan.EU Online Goods Cooling-off Deadline EstimatorEstimate the 14-day withdrawal-notice deadline for qualifying EU distance-purchase goods, with holiday inputs.