Berean Standard Bible (BSB)
Even if he comes in the second or third watch of the night and finds them alert, those servants will be blessed.
World English Bible (WEB)
They will be blessed if he comes in the second or third watch, and finds them so.
Strong's King James
And{G2532} if{G1437} he shall come{G2064}{(G5632)} in{G1722} the second{G1208} watch{G5438}, or{G2532} come{G2064}{(G5632)} in{G1722} the third{G5154} watch{G5438}, and{G2532} find{G2147}{(G5632)} them so{G3779}, blessed{G3107} are{G1526}{(G5748)} those{G1565} servants{G1401}.
The F.O.G *
(38) Whether he comes in the second watch (9PM-12AM) or in the third (12AM-3AM) and finds, blessed are those ones.
The F.O.G Message *
Young's Literal Translation
and if he may come in the second watch, and in the third watch he may come, and may find it so, happy are those servants.