%M --> Month name (January..December)

%W --> Weekday name (Sunday..Saturday)

%D --> Day of the month with English suffix (1st, 2nd, 3rd, etc.)

%Y --> Year, numeric, 4 digits

%y --> Year, numeric, 2 digits

%X --> Year for the week where Sunday is the first day of the week, numeric, 4 digits, used with '%V'

%x --> Year for the week, where Monday is the first day of the week, numeric, 4 digits, used with '%v'

%a --> Abbreviated weekday name (Sun..Sat)

%d --> Day of the month, numeric (00..31)

%e --> Day of the month, numeric (0..31)

%m --> Month, numeric (01..12)

%c --> Month, numeric (1..12)

%b --> Abbreviated month name (Jan..Dec)

%j --> Day of year (001..366)

%H --> Hour (00..23)

%k --> Hour (0..23)

%h --> Hour (01..12)

%I --> Hour (01..12)

%l --> Hour (1..12)

%i --> Minutes, numeric (00..59)

%r --> Time, 12-hour (hh:mm:ss [AP]M)

%T --> Time, 24-hour (hh:mm:ss)

%S --> Seconds (00..59)

%s --> Seconds (00..59)

%p --> AM or PM

%w --> Day of the week 0=Sunday..6=Saturday)

%U --> Week (0..53), where Sunday is the first day of the week

%u --> Week (0..53), where Monday is the first day of the week

%V --> Week (1..53), where Sunday is the first day of the week. Used with '%X'

%v --> Week (1..53), where Monday is the first day of the week. Used with '%x'

%% --> A Literal '%'

--> taken from mysql.com