When the time is 3:14.
Super Pi time is 3:14 on March 14th (3rd month, 14th day)
Ultra pi time is 3:14 on March 14th 314 (3rd month, 14th day, 314th year)
"dude, what time is it?" "It's pi time!"
Guess what time it is! IIIIIITTTTT"SSSSS SUPER PI TIME!