The Nisan reference article from the English Wikipedia on 24-Apr-2004
(provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Nisan

Nisan is the seventh month of the ecclesiastical year and the first month of the civil year on the Hebrew calendar. The name is Babylonian in origin; in the Bible it is called Abib, meaning spring. It is a spring month of 30 days.

Holidays in Nisan