date is 2002-6-30 2002 is a leap year,false
http://www.codebf.com/read/149433/5699994
http://www.codebf.com/read/149033/5703544
http://www.codebf.com/read/149033/5703547
http://www.codebf.com/read/149033/5703548
http://www.codebf.com/read/149033/5703550
http://www.codebf.com/read/149033/5703584
http://www.codebf.com/read/149033/5703585
http://www.codebf.com/read/149033/5703590
http://www.codebf.com/read/149033/5703595
http://www.codebf.com/read/149033/5703596
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