Numbers 9:4

So Moses spoke to the {Israelites} to observe the Passover.

Treasury of Scripture Knowledge

Summary

And Moses spake unto the children of Israel, that they should keep the passover.

General references

Bible References

General references

Leviticus 23:5
In the first month, on the fourteenth of the month at the evening [is] Yahweh's Passover.
Numbers 28:16
" 'On the fourteenth day of the first month [is] the Passover for Yahweh.