Acts 27:9

And [because] considerable time had passed and the voyage was now dangerous because even the Fast was already over, Paul strongly recommended,

Leviticus 23:27-29

"Surely the Day of Atonement [is] on the tenth [day] of the seventh month; it shall be a holy assembly for you, and you shall deny yourselves, and you shall present an offering made by fire to Yahweh.

Numbers 29:7

" 'And on the tenth of this seventh month you will have a holy convocation, and {you will afflict yourselves}; you will not do any work.

Leviticus 16:29-31

"And this shall be {a lasting statute} for you: in the seventh month, on the tenth of the month, you must deny yourselves and you must not do any work, [whether] the native or the alien who is dwelling in your midst,

Treasury of Scripture Knowledge

Summary

Now when much time was spent, and when sailing was now dangerous, because the fast was now already past, Paul admonished them,

Bible References

The fast

Leviticus 16:29
"And this shall be {a lasting statute} for you: in the seventh month, on the tenth of the month, you must deny yourselves and you must not do any work, [whether] the native or the alien who is dwelling in your midst,
Numbers 29:7
" 'And on the tenth of this seventh month you will have a holy convocation, and {you will afflict yourselves}; you will not do any work.