Febrary has 28 and 29 days only
January has 31 days only
March has 31 days only
April has 30 days only
May has 31 days only
June has 31 days only
July and August has 31 days only
September has 30 days only
October has 31 days only
November has 30 days only
December has 31 days only
2006-11-04 10:40:58 補充:
Febrary has 28 for 29 days only
2006-11-03 23:48:24 補充:
some months has 30 days , some months has 31 days so there is a flutuation if febrary there is 29 , there will be 366 days of that year