Change the date and time
If the date and time displayed on the top bar are incorrect or in the wrong format, you can change them:
Open the Activities overview and start typing Settings.
Click on Settings.
Click Details in the sidebar.
Click Date & Time in the sidebar to open the panel.
If you have the Automatic Date & Time switch set to on, your date and time should update automatically if you have an internet connection. To update your date and time manually, set this to off.
Click Date & Time, then adjust the time and date.
You can change how the hour is displayed by selecting 24-hour or AM/PM for Time Format.
You may also wish to.