cur = os.time() h =(math.floor(cur/60/60)%12-4) --%24 for base 24 time, -4 for eastern time zone m =(math.floor(cur/60)%60) --minutes s =(cur%60) --seconds function writ(t) return math.floor(t/10) end oh = writ(h) om = writ(m) os = writ(s) io.write(oh,h-oh*10,":",om,m-om*10,":",os,s-os*10)