I doubt this would work, but try the classic "take out the battery, wait 30 seconds, and put it back in", trying doesn't hurt
Although note that if you do this, you'll need to boot into Godmode9, set the time there, then boot to the home menu and change the time in the settings
Although note that if you do this, you'll need to boot into Godmode9, set the time there, then boot to the home menu and change the time in the settings