Date/Month Treatment

• January 2010 (not abbreviated without a date)
• Jan. 15, Feb. 21, March, April, May, June, July, Aug. 22, Sept. 23, Oct. 31, Nov. 11, Dec. 12 (abbreviated with a date)

Time treatment 

• 9 a.m.–5:30 p.m.
• 8:15 a.m.–noon
• noon is not capitalized