Mark 15:6

6 And at every feast he was releasing to them one prisoner, whomsoever they were asking;

Mark 15:6 Meaning and Commentary

Mark 15:6

Now at that feast
The feast of the passover, which was at that instant; see ( John 18:39 ) . The Syriac, Arabic, Persic, and Ethiopic versions read, "at every feast"; as if the following custom was used at every feast in the year, at the feasts of pentecost and tabernacles, as well as at the passover; whereas it was only at the latter:

he released unto them one prisoner, whomsoever they desired;
of this custom (See Gill on Matthew 27:15).

Mark 15:6 In-Context

4 And Pilate again questioned him, saying, `Thou dost not answer anything! lo, how many things they do testify against thee!'
5 and Jesus did no more answer anything, so that Pilate wondered.
6 And at every feast he was releasing to them one prisoner, whomsoever they were asking;
7 and there was [one] named Barabbas, bound with those making insurrection with him, who had in the insurrection committed murder.
8 And the multitude having cried out, began to ask for themselves as he was always doing to them,
Young's Literal Translation is in the public domain.