# dayofyear ## description ### Syntax `INT DAYOFYEAR(DATETIME date)` 获得日期中对应当年中的哪一天。 参数为Date或者Datetime类型 ## example ``` mysql> select dayofyear('2007-02-03 00:00:00'); +----------------------------------+ | dayofyear('2007-02-03 00:00:00') | +----------------------------------+ | 34 | +----------------------------------+ ``` ##keyword DAYOFYEAR