Keep in mind that when you set the calendar back to the normal day, earned Stamps from days that have not yet elapsed will be removed. Therefore, you must spend these Stamps before changing the calendar back to normal. While Stamps will be lost, things unlocked won't be.
Keep in mind that when you set the calendar back to the normal day, earned Stamps from days that have not yet elapsed will be removed. Therefore, you must spend these Stamps before changing the calendar back to normal. While Stamps will be lost, things unlocked won't be.