How to adjust the time of digital electronic clock in perpetual calendar
2. Press the "Set" button immediately (enter the time setting state and the year flashes), and press the "Up" or "Down" button to modify the year;
3. After modification, press the "Settings" key to move the flashing to the Gregorian calendar month, and press the "Up" or "Down" key to modify the month. It should be noted that there is a double arrow on the button, and then the year number of the electronic clock will start flashing.
4. Then we click it again, and it's the turn of the month to blink, so we choose the year, month and day in turn;
5. Then press the "+"key, which says "Modify/Alarm" next to it. (Press the "+"key to increase, not decrease).
Finally, press the "Reset" button, and you can adjust the time when you return to the normal time state.