--This program can be used to create a digital clock on a monitor peripheral
--The monitor must be placed to the right of the computer

print("Running clock application. Hold ctrl + T to end.")
local monitor = peripheral.wrap("back")

w, h = term.getSize()
term.setCursorPos(math.floor(w - #text)/2, yPos)

monitor.setTextScale(4)

while true do
    local decimalTime = os.time()
    local hours = math.floor(decimalTime)
    local minutes = math.floor((decimalTime - hours) * 100 * 0.6)

    local ampm
    if hours > 12 then
        hours = hours - 12
        ampm = "PM"
    else
        ampm = "AM"
    end
    monitor.clear()
    monitor.setCursorPos(1,1)
    if minutes < 10 then
        monitor.write(hours..":0"..minutes.." "..ampm)
    else
        monitor.write(hours..":"..minutes.." "..ampm)
    end
    sleep(2)
end