All depends on how one counts such things.
There is but one way one can count "such" things...>
Gen 1:5 God called the light “day,” and the darkness he called “night.” There was evening and there was morning,
one day.
Gen 1:8 God called the expanse “sky.” There was evening and there was morning,
a second day.
Gen 1:13 There was evening and there was morning,
a third day.
Gen 1:19 There was evening and there was morning,
a fourth day.
Gen 1:23 There was evening and there was morning,
a fifth day.
Gen 1:31 God saw everything that he had made, and, behold, it was very good. There was evening and there was morning,
a sixth day.
Christians on the other hand
, work by the Sun and start their day @24:00 or 12 o clock at night
.
They believe their messiah was crucified on a Friday afternoon and was resurrected on the following Sunday.
Which places him in the grave for only two days.