ps_bytime

/usr/ucb/ps gxwwau | awk 'BEGIN { split("Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec", months) }\
   { monthnum = 0\
     for (monthkey in months)\
       if ($9 == months[ monthkey ])\
         monthnum = monthkey\
     printf( "%d ", monthnum)\
     if (monthnum == 0)\
       printf( "t " )\
     print $0 }' | sort -k 1,1n -k 11,11 -k 3,3n | less