Sunrise Calculator

Estimate the sunrise time for any location and date on Earth.

Input Parameters

Latitude

Longitude

Date

Timezone Offset (UTC)

Calculation Results

Calculating...

Quick Reference

φLatitude

λLongitude

δSun Declination

hHour Angle

Overview

Sunrise is the moment when the upper limb of the Sun appears on the horizon in the morning.

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Pro Tips

Latitude is positive for North, negative for South.
Longitude is positive for East, negative for West.
This calculation uses a simplified version of the Sunrise Equation and may vary by a few minutes from actual times due to atmospheric refraction.

Fun Facts

"The exact time of sunrise depends on your elevation; sunrise happens earlier at the top of a mountain."
"In the Arctic and Antarctic circles, the sun remains above or below the horizon for 24 hours at certain times of the year."
"Green flashes are extremely rare optical phenomena that can be seen shortly after sunset or before sunrise."

Formula: Sunrise Equation

Used with this

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