EnvRef get_node_light - Uberi/MineTest-API GitHub Wiki
timeofday: nil = current time, 0 = night, 0.5 = day
[float](../type/float.html) get_node_light([position](../type/position.html) pos, [timeofday](../type/timeofday.html) timeofday)
local light = minetest.env:get_node_light({x=0, y=0, z=0})