September, April, June, November have 30 days each. February has 28 (29 in a leap year). January, March, May, July, August, October, December all have 31 days.

For 2009: 31 days in January. 28 days in February. 31 days in March. 30 days in April. 31 days in May. 30 days in June. 31 days in July. 31 days in August. 30 days in September. 31 days in October. 30 days in November. 31 days in December.

In 2008: January had 31 days. February had 29 days. March had 31 days. April had 30 days. May had 31 days. June had 30 days. July had 31 days. August had 31 days. September had 30 days. October had 31 days. November had 30 days. December had 31 days.

In 2009: January had 31 days. February had 28 days. March had 31 days. April had 30 days. May had 31 days. June had 30 days. July had 31 days. August had 31 days. September had 30 days. October had 31 days. November had 30 days. December had 31 days.

In 2010: January had 31 days. February had 28 days. March had 31 days. April had 30 days. May had 31 days. June had 30 days. July had 31 days. August had 31 days. September had 30 days. October had 31 days. November had 30 days. December had 31 days.

In 2011: January had 31 days. February had 28 days. March had 31 days. April had 30 days. May had 31 days. June had 30 days. July had 31 days. August had 31 days. September had 30 days. October had 31 days. November had 30 days. December had 31 days.

January had 31 days. February had 28 days. March had 31 days. April had 30 days. May had 31 days. June had 30 days. July had 31 days. August had 31 days. September had 30 days. October had 31 days. November had 30 days. December had 31 days.

For 2006: 31 days in January. 28 days in February. 31 days in March. 30 days in April. 31 days in May. 30 days in June. 31 days in July. 31 days in August. 30 days in September. 31 days in October. 30 days in November. 31 days in December.