He died Wed (which happened to be a High Sabbath), was buried before sundown that day, he rose on the sabbath SATURDAY and was found missing sunday morning.
Wed 6pm to Thur 6pm 1 24 hr period
Thur 6pm to Fri 6pm 1 24 hr period
Fri 6pm to Sat 6pm 1 24 hr period
He arose in the darkness and was found missing at daybreak Sunday. It's the only way to get 3 days in the grave and the sabbath is Saturday (in those days).
3 days in the grave like Jonah