When is evening?

There are 2 time periods in which defines "evening" in the Bible: 1) Before the sun sets, 2) After the sun sets

Examples of 1) Before the sun sets:

• Then the same day at evening, being the first day of the week, when the doors were shut where the disciples were assembled for fear of the Jews, came Jesus and stood in the midst, and saith unto them, Peace be unto you. John 20:19

• And it came to pass, when midday was past, and they prophesied until the time of the offering of the evening sacrifice, that there was neither voice, nor any to answer, nor any that regarded. 1 King 18:29

• And they set the altar upon his bases; for fear was upon them because of the people of those countries: and they offered burnt offerings thereon unto the LORD, even burnt offerings morning and evening. Ezra 3:3

Example of 2) After the sun sets:

• And ye shall keep it up until the fourteenth day of the same month: and the whole assembly of the congregation of Israel shall kill it in the evening. Exodus 12:6

• And his disciples went forth, and came into the city, and found as he had said unto them: and they made ready the passover. And in the evening he cometh with the twelve. Mark 14:16-17