Leviticus 16:30

“On exactly the tenth day of this seventh month is the day of atonement; it shall be a holy convocation for you, and you shall humble your souls and bring an offering by fire near to Yahweh.

‘Then on the tenth day of this seventh month you shall have a holy convocation, and you shall humble yourselves; you shall not do any work.

And when considerable time had passed and the voyage was now dangerous, since even the Fast was already over, Paul began to advise them,

but into the second, only the high priest enters once a year, not without taking blood, which he offers for himself and for the sins of the people committed in ignorance.