How does latitude affect daylight length?
Higher latitudes experience dramatic shifts between long summer days and short winter days, while equatorial latitudes maintain ~12 hours of daylight year-round.
How to Use Daylight & Solar Time Estimator
Step 1: Enter Latitude
Select your approximate latitude (e.g. 40°N for New York/Madrid).
Step 2: Select Date
Pick any date in the year to see seasonal solar changes.
Step 3: View Daylight Duration
See total hours of sunlight, solstices, and solar noon.
Key Features & Capabilities
- Solar declination and hour-angle mathematical model
- Calculates seasonal daylight fluctuation between summer and winter solstices
- Presets for major world latitudes (Equator, Tropics, Mid-latitudes, Polar)
Frequently Asked Questions
What is Solar Noon?
Solar noon is the exact moment when the sun reaches its highest point in the sky for a given day.
Related Tools
- Day of the Year Calculator — Find the ordinal day number (1–366) and remaining days in the calendar year.
- World Time Converter — Compare and convert times across global timezones (UTC, EST, PST, GMT, JST, CET).