Exodus 12:18-20 In the first month, on the fourteenth day of the month at even, you shall eat unleavened bread, until the one and twentieth day of the month at even.

CKJV_Strongs⁽ⁱ⁾

18 H7223 In the first H6240 month, on the fourteenth H3117 day H2320 of the month H6153 at even, H398 you shall eat H4682 unleavened bread, H259 until the one H6242 and twentieth H3117 day H2320 of the month H6153 at even.

19 H7651 Seven H3117 days H7603 shall there be no yeast H4672 found H1004 in your houses: H398 for whoever eat H2556 that which is leavened, H5315 even that soul H3772 shall be cut off H5712 from the congregation H3478 of Israel, H1616 whether he be a stranger, H249 or born H776 in the land.

20 H398 You shall eat H2556 nothing leavened; H4186 in all your habitations H398 shall you eat H4682 unleavened bread.