Day/Night script in roblox studio
-- dayLength defines how long, in minutes, a day in your game is. Feel free to alter it.
local dayLength = 12
local cycleTime = dayLength*60
local minutesInADay = 24*60
local lighting = game:GetService("Lighting")
local startTime = tick() - (lighting:getMinutesAfterMidnight() / minutesInADay)*cycleTime
local endTime = startTime + cycleTime
local timeRatio = minutesInADay / cycleTime
if dayLength == 0 then
dayLength = 1
end
repeat
local currentTime = tick()
if currentTime > endTime then
startTime = endTime
endTime = startTime + cycleTime
end
lighting:setMinutesAfterMidnight((currentTime - startTime)*timeRatio)
wait(1/15)
until false