In Harvest Moon 64 you can celebrate your birthday in two ways.
If your single on your birthday (whatever season you picked) its always on the 25th. The second you walk outside in the morning the girl with the highest affection for you will be out there with a gift. While you cannot use this gift it will show up in your pause menu.
Maria-Book, however, if pink heart "Beautiful Picture" hangs above bed
If your married go into your kitchen at 6pm on your birthday. Inside your wife will ask you if you know what today is. She then tells you happy birthday and the event below happens:
Don't Forget :
How Long Have You Been A Member Of Harvest Moon Paradise?