en_tn/lev/23/30.md

434 B

on that day

"on the Day of Atonement"

This will be a permanent command throughout your people's generations

See how you translated a similar phrase in Leviticus 3:15.

a Sabbath of solemn rest

This is not the same as the Sabbath they observed every week on the seventh day. This was a special Sabbath on the day of atonement.

from evening to evening

"from sunset to sunset on the next day"