*DTS data in msgdta

I am doing a RCVMSG monitoring a message queue.  Currently the 
most important message is CPI8050.  When a do a DSPMSGD on CPI8050 
it has the following data fields:
Field     Data Type     Length
 &1       *CHAR             8 
 &2       *CHAR             8 
 &3       *CHAR             8 
 &4       *CHAR             8 
 &5       *CHAR            10 
 &6       *CHAR            10 
 &7       *CHAR             6 
 &8       *DTS                
 &9       *DTS                
 &10      *BIN              4 
 &11      *CHAR             7

I've discovered that &8 and &9 take up 8 positions each in the 
msgdta.  I do the following in my CL:
/*                                                             
 | SENTTIME & RCVDTIME are both stored funky and I haven't been
 | able to figure them out.                                    
*/                                                             
         CHGVAR     VAR(&SENTTIME) VALUE(%SST(&MSGDTA 59  8))  
         CHGVAR     VAR(&RCVDTIME) VALUE(%SST(&MSGDTA 67  8))  
How do I convert the above into human readable?
I've tried breaking up &SENTTIME into four 2 character binary fields 
and two 4 character binary fields, and doing 
CHGVAR     VAR(&NUMERIC) VALUE(%BINARY(&BIN4))   or &BIN2
and none of the chunks made sense.

The way to generate CPI8050 is to do a SNDNETF.

The CL programming guide has the following about using *DTS in message 
descriptions:

The following data types are valid only in IBM-supplied message 
descriptions and should not be used for other messages:
 
:   Time interval (*ITV).  An 8-byte time interval that contains the 
    time to the nearest whole second for various wait time out conditions.
 
:   Date and time stamp (*DTS).  An 8-byte system date and time stamp for 
    which the date is to be formatted as specified in the QDATFMT and 
    QDATSEP system values and the time is to be formatted as hh:mm:ss.
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