Ruby on Rails

Rails Date Formats % a - The abbreviated weekday name ( '' Sun '' ) % A - The full weekday name ( '' Sunday '' ) % b - The abbreviated month name ( '' Jan '' ) % B - The full month name ( '' January '' ) % c - The preferred local date and time representation % d - Day of the month ( 01 .. 31 ) % H - Hour of the day , 24 - hour clock ( 00 .. 23 ) % I - Hour of the day , 12 - hour clock ( 01 .. 12 ) % j - Day of the year ( 001 .. 366 ) % m - Month of the year ( 01 .. 12 ) % M - Minute of the hour ( 00 .. 59 ) % p - Meridian indicator ( '' AM '' or '' PM '' ) % S - Second of the minute ( 00 .. 60 ) % U - Week number of the current year , starting with the first Sunday as the first day of the first week ( 00 .. 53 ) % W - Week number of the...