Sun tools

Current greyline position at 13:52 CET

Sun calendar

This script will calculate a sunset and sunrise calendar for one full year. Moonrise and moonset time and moon phase information is also available. Fill the form at the end of the page to recalculate this calendar for your location.

Sunrise and sunset calendar

Greyline calculator

This tools compute the best time greyline path between two locations
(if exist).

Greyline calculator