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Date and Time Functions

Name Description ADDDATE()Add dates ADDTIME()Add time CONVERT_TZ()Convert from one timezone to another CURDATE()Return the current date CURRENT_DATE(), CURRENT_DATESynonyms for CURDATE() CURRENT_TIME(), CURRENT_TIMESynonyms for CURTIME() CURRENT_TIMESTAMP(), CURRENT_TIMESTAMPSynonyms for NOW() CURTIME()Return the current time DATE_ADD()Add two dates DATE_FORMAT()Format date as specified DATE_SUB()Subtract two dates DATE()Extract the date part of a date or datetime expression DATEDIFF()Subtract two dates DAY()Synonym for DAYOFMONTH() DAYNAME()Return the name of the weekday DAYOFMONTH()Return the day of the month (1-31) DAYOFWEEK()Return the weekday index of the argument DAYOFYEAR()Return the day of the year (1-366) EXTRACTExtract part of a date FROM_DAYS()Convert a day number to a date FROM_UNIXTIME()Format date as a UNIX timestamp GET_FORMAT()Return a date format string HOUR()Extract the hour LAST_DAYReturn the last day of the month for the argument LOCALTIME(), LOCALTIMESynonym for NOW() LOCALTIMESTAMP, LOCALTIMESTAMP()Synonym for NOW() MAKEDATE()Create a date from the year and day of year MAKETIMEreturns a time value calculated from the hour, minute, and second arguments MICROSECOND()Return the microseconds from argument MINUTE()Return the minute from the argument MONTH()Return the month from the date passed MONTHNAME()Return the name of the month NOW()Return the current date and time PERIOD_ADD()Add a period to a year-month PERIOD_DIFF()Return the number of months between periods QUARTER()Return the quarter from a date argument SEC_TO_TIME()Converts seconds to 'HH:MM:SS' format SECOND()Return the second (0-59) STR_TO_DATE()Convert a string to a date SUBDATE()When invoked with three arguments a synonym for DATE_SUB() SUBTIME()Subtract times SYSDATE()Return the time at which the function executes TIME_FORMAT()Format as time TIME_TO_SEC()Return the argument converted to seconds TIME()Extract the time portion of the expression passed TIMEDIFF()Subtract time TIMESTAMP()With a single argument, this function returns the date or datetime expression. With two arguments, the sum of the arguments TIMESTAMPADD()Add an interval to a datetime expression TIMESTAMPDIFF()Subtract an interval from a datetime expression TO_DAYS()Return the date argument converted to days UNIX_TIMESTAMP()Return a UNIX timestamp UTC_DATE()Return the current UTC date UTC_TIME()Return the current UTC time UTC_TIMESTAMP()Return the current UTC date and time WEEK()Return the week number WEEKDAY()Return the weekday index WEEKOFYEAR()Return the calendar week of the date (1-53) YEAR()Return the year YEARWEEK()Return the year and week Quote: dev.mysql.com/doc/refman/5.1/en/index.html