Mattie...
when you get to the mount....
I suggest 40 days and 40 nights. It's a good thing that you still have my tent!
The number 40 seemed to do lots of good in bible times. Seemed to work for Jesus and his followers.

Noah and the ark... . It rained for 40 days and 40 nights Noah lived to be 950 year old.

moses was in the desert for 40 days/nights....
There are more examples.Moses was with God in the mount, 40 days and nights Moses was again with God 40 days and 40 nights

Israel ate Manna for 40 years

The spies searched the land of Canaan for 40 days

Goliath presented himself to Israel for 40 days

David reigned over Israel for 40 years

The holy place of the temple was 40 cubits long

Solomon reigned same length as his father; 40 years

Elijah had one meal that gave him strength 40 days

Ezekiel bore the iniquity of the house of Judah for 40 days

God gave Nineveh 40 days to repent
and last but not least....

Jesus fasted 40 days and nights
Jesus was tempted 40 day
Jesus remained on earth 40 days after resurrection

Have I proven my point yet?