Numbers 28:18

King James 3 - The Literal Traslation

In the first day shall be a holy convocation; you shall do no work of service.

Cross References

Exodus 12:16

And on the first day shall be a holy gathering, and in the seventh day a holy gathering shall be to you. Not any work may be done on them. Only what must be eaten by your soul, that alone may be done by you.

Numbers 28:25

And on the seventh day you shall have a holy gathering; you shall do no work of service.

Numbers 28:26

And in the day of the firstfruits, as you offer a new food offering to Jehovah in your Feast of Weeks, you shall have a holy gathering; you shall do no work of service;