How to set the clock: Standby state: Clock Display; clock is set to 12 hours Clock Setting Method: Press and hold the "Temp/Timer" knob for 3 seconds in the standby mode to enter into the clock setting. When the clock flashes, turn the "Temp/Timer" knob to set the hour. Once set, quickly press the knob to switch to the minute setting. Once you see it flashes, turn the "Temp/Timer" knob to set the minutes. Quickly press the temp/time knob to switch the clock to hour and minute settings.