Colin Humphreys’ proposal to date the Last Supper on a Wednesday has been making the rounds on the internet this past week. Mark Goodacre has an informative post on it here on his New Testament Gateway blog. Certainly worth a read.
Synoptic Gospels
Mark Goodacre on How John Differs from the Synoptic Gospels
Check out this recent podcast by Mark on that topic. A nice intro.