Nine days before the ides

• The ninth day before the ides
• Canonical hours
• Jan. 5 in old Rome
• Ninth day before ides
• Roman dates
• Roman times
• Ninth hour after sunrise, ecclesiastically
• About 3 p.m.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Nones \Nones\, n. pl. [L. nonae, so called because it was the ninth day before the ides, fr. nonus ninth, from novem nine. See Nine , Nones , 2, Noon .] (Roman Calendar) The fifth day of the months January, February, April, June, August, September, November, ...

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
early 15c., in reference to the Roman calendar, "ninth day (by inclusive reckoning) before the ides of each month" (7th of March, May, July, October, 5th of other months), from Latin nonæ (accusative nonas ), fem. plural of nonus "ninth." Ecclesiastical ...