20 The next morning, about the time for offering the sacrifice, there it was—water flowing from the direction of Edom! And the land was filled with water.

Read 2 Kings 3:20 Using Other Translations

And it came to pass in the morning, when the meat offering was offered, that, behold, there came water by the way of Edom, and the country was filled with water.
The next morning, about the time of offering the sacrifice, behold, water came from the direction of Edom, till the country was filled with water.
The next day at about the time when the morning sacrifice was offered, water suddenly appeared! It was flowing from the direction of Edom, and soon there was water everywhere.