Acts 8:38
So, the eunuch ordered the chariot to be stopped; then both Philip and the [Ethiopian] eunuch went down into the water and Philip immersed the eunuch [into Christ].
John 3:22-23
After this Jesus and His disciples went to the country-[side] of Judea and there they remained and immersed people.
John 4:1
PM, if Jewish time were meant].