Exo 12:18, Num 9:3 | ESV | STEP | In the first month, from the fourteenth day of the month at evening , you shall eat unleavened bread until the twenty-first day of the month at evening .

Exodus 12:18

18 ^aIn the first month, from the fourteenth day of the month at evening, you shall eat unleavened bread until the twenty-first day of the month at evening.

Numbers 9:3

3 ^bOn the fourteenth day of this month, at twilight, you shall keep it at its appointed time; according to all its statutes and all its rules you shall keep it.”