The following modifiers can be used with mrp_time_format ():

       %a     The abbreviated weekday name (Mon, Tue, ...)
       %A     The full weekday name (Monday, Tuesday, ...)
       %b     The abbreviated month name (Jan, Feb, ...)
       %B     The full month name (January, February, ...)
       %d     The day of the month (01 - 31).
       %e     The day of the month (1 - 31).
       %H     The hour using a 24-hour clock (00 - 23).
       %I     The hour using a 12-hour clock (01 - 12).
       %j     The day of the year (001 - 366).
       %k     The hour using a 24-hour clock (0 to 23).
       %l     The hour using a 12-hour clock (1 - 12).
       %m     The month number (01 to 12).
       %M     The minute (00 - 59).
       %p     Either 'AM' or 'PM' according  to the given time value.
       %P     Like %p but in lowercase.
       %S     The second (00 - 61).
       %R     The time in 24 hour notation (%H:%M).
       %U     The week number, (1 - 53), starting with the first
              Sunday as the first day of week 1.
       %W     The week number, (1 - 53), starting with the first
              Monday as the first day of week 1.
       %y     The year without a century (range 00 to 99).
       %Y     The year including the century.
