SunCalc, a nice web app for calculating sun position and sunrise/sunset/twilight times on a map https://t.co/97HgAuJXeB via @suncalc_net 0 atbildes

	Jānis Lazdāns (2016-11-22 14:07:20) @twitter	SunCalc, a nice web app for calculating sun position and sunrise/sunset/twilight times on a map https://t.co/97HgAuJXeB via @suncalc_net