NET
23 And after he sent the crowds away, he went up the mountain by himself to pray. When evening came, he was there alone.
Darby
23 And having dismissed the crowds, he went up into the mountain apart to pray. And when even was come, he was alone there,
KJV
23 And when he had sent the multitudes away, he went up into a mountain apart to pray: and when the evening was come, he was there alone.