1. Click Button on the Right, the Light Is on, the Time Is Displayed, and Then Click to Display the Date; 2. When the Light Is on, the Finger Stays at Button for 3 Seconds, and the Hour Will Flash. at This Time, It Is the Adjustment Hour. Press It to Increase the Hour, 3. After the Hour Is Adjusted, Press Button for 3 Seconds, and the Minute Flashes. at This Time, the Minute Is Adjusted. Press It and Add One Minute, 4. After Adjustment, Wait for a Few Seconds and Return to the Time Display Interface. If There Is No Operation for 3 Seconds, Enter the Power Saving Mode.