The Jewish scholar, Pinchas Lapide, who insists the Resurrection was an historical event, has this to say concerning the 'third day'.
"on the third day, although the interval between the crucifixion of Good Friday afternoon until the dawn of Easter Sunday was hardly longer than one and a half days, has also an evidently biblical-Jewish reason. Only in the context of the Hebrew Bible does this expression of the apostles, which certainly is not meant literally, have its underlying significance for the history of salvation; 'On the third day Abraham lifted up his eyes...', on the morning of the third day there were thunders and lightnings, and a thick cloud upon the mountain..', 'on the third day Joseph said to them....' etc.