Berean Study Bible
When evening approaches, he must wash with water, and when the sun sets he may return to the camp.

King James Bible
But it shall be, when evening cometh on, he shall wash himself with water: and when the sun is down, he shall come into the camp again.

American Standard Version
but it shall be, when evening cometh on, he shall bathe himself in water; and when the sun is down, he shall come within the camp.

Darby Bible Translation
and it shall be, towards evening, he shall bathe in water: and at the going down of the sun he may come inside the camp.

Douay-Rheims Bible
And shall not return, before he be washed with water in the evening: and after sunset he shall return into the camp.

English Revised Version
but it shall be, when evening cometh on, he shall bathe himself in water: and when the sun is down, he shall come within the camp.

Young's Literal Translation
and it hath been, at the turning of the evening, he doth bathe with water, and at the going in of the sun he doth come in unto the midst of the camp.