Ides

March 15, April 13, May 15, June 13, July 15, August 13, September 13, October 15, November 13, December 13, January 13, February 13
The Ides falls 8 days after the Nones (Roman Calendar)

Ides (?), n. pl. [L. idus: cf. F. ides.] Anc. Rom. Calendar

The fifteenth day of March, May, July, and October, and the thirteenth day of the other months.

The ides of March remember. Shak.

⇒ Eight days in each month often pass by this name, but only one strictly receives it, the others being called respectively the day before the ides, and so on, backward, to the eightth from the ides.

 

© Webster 1913.