Exodus 12:6

and you shall keep it until the fourteenth day of this month , when the whole assembly of the congregation of Israel shall kill their lambs at twilight .

Take care of them until the fourteenth day of the month, when all the members of the community of Israel must slaughter them at twilight.

And ye shall keep it up until the fourteenth day of the same month : and the whole assembly of the congregation of Israel shall kill it in the evening.