Acts 27:9

And much time having been used up, and the voyage already being dangerous, because the Fast was now already past, Paul warned them,

Leviticus 23:27-29

Also, on the tenth of this seventh month, this is a day of atonement. It shall be a holy convocation to you. And you shall afflict your souls and offer a fire offering to Jehovah.

Numbers 29:7

And you shall have a holy convocation on the tenth of this seventh month. And you shall afflict your souls. You shall not do any work.

Leviticus 16:29-31

And it shall be a statute forever to you: in the seventh month, on the tenth of the month, you shall afflict your souls and do no work at all, the native and the alien who is staying among you.

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 it shall be a statute forever to you: in the seventh month, on the tenth of the month, you shall afflict your souls and do no work at all, the native and the alien who is staying among you.
Numbers 29:7
And you shall have a holy convocation on the tenth of this seventh month. And you shall afflict your souls. You shall not do any work.