cmd

local component = require("component")
local cmd = "time set day"
local cb = component.command_block -- get primary command block
-- os.time() returns "in-game seconds" with a 6000 tick offset, so that
-- midnight is actually midnight.
local ticks = math.floor(1000/60/60 * os.time() - 6000)
print(os.date())
cb.setValue(cmd)
cb.run()
print(os.date())