use_valid_im
   T
 use_valid_pm
   T
 no asterisk
   T
 no colon
   T
 no minus
   F
 no small letters
   T
 Hour  Min  ampm zone
    9   00   AM  EST 
 Hour  Min  ampm zone
   17   00   PM  EST 
  T1   T2   T3   T4   T5   T6    P1      P2      S1
   99   95   90   60   32   20    1.00    2.00    1.0