New International Version
Celebrate it at the appointed time, at twilight on the fourteenth day of this month, in accordance with all its rules and regulations."

American Standard Version
In the fourteenth day of this month, at even, ye shall keep it in its appointed season: according to all the statutes of it, and according to all the ordinances thereof, shall ye keep it.

Berean Study Bible
You are to observe it at the appointed time, at twilight on the fourteenth day of this month, in accordance with its statutes and ordinances.”

Douay-Rheims Bible
The fourteenth day of this month in the evening, according to all the ceremonies and justifications thereof.

English Revised Version
In the fourteenth day of this month, at even, ye shall keep it in its appointed season: according to all the statutes of it, and according to all the ordinances thereof, shall ye keep it.

King James Bible
In the fourteenth day of this month, at even, ye shall keep it in his appointed season: according to all the rites of it, and according to all the ceremonies thereof, shall ye keep it.

World English Bible
On the fourteenth day of this month, at evening, you shall keep it in its appointed season--according to all its statutes, and according to all its ordinances, you shall keep it."

Young's Literal Translation
in the fourteenth day of this month between the evenings ye prepare it in its appointed season; according to all its statutes, and according to all its ordinances ye prepare it.'

Numbers 9:3 Additional Translations ...