en_tn/exo/12/17.md

the fourteenth day

AT: "day 14 of the moon cycle" (See: rc://en/ta/man/translate/translate-numbers)

twilight

AT: "early in the evening" See how you translated this in verse 6 of Exodus 12:5.

the twenty-first day of the month

first day of the month** - AT: "day 21 of the moon cycle" (See: rc://en/ta/man/translate/translate-numbers)