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+--- Thread: sunrise and sunset values (/showthread.php?tid=1010)
RE: sunrise and sunset values - Erwin van der Zwart - 07.01.2026
Now changed to this and seems to do the trick as it clamps fo between -1 and 1:
local fo = math.max(math.min(math.tan(declination + dfo) * math.tan(latitude * rads), 1), -1)