mon = peripheral.wrap("left")
local t1 = 00
local t2 = 00
mon.setTextScale(5)

for i = 1, 0 do
mon.clear()
set t1 = t1 + 1
if t1 == 60 then
set t1 = 00
set t2 = t2 + 1
end
mon.write("..t2:..t1")
sleep(5)
end