Commentaries:
Barnes' Notes
When they wanted wine - A marriage feast among the Jews was commonly observed for seven or eight days. It is not probable that there would be a want of wine at the marriage itself, and it is possible, therefore, that Jesus came there some time during the marriage feast.
They have no wine - It is not known why Mary told this to Jesus. It would seem that she had a belief that he was able to supply it, though he had as yet worked no miracle.
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