Converts 128-bit Coordinated Universal Time (UTC) format to 64-
    bit system format or 64-bit system format to 128-bit UTC format
    based on the value of the convert flag.
    On Alpha and Integrity server systems, this service accepts 64-
    bit addresses.
    Format
      SYS$TIMCON  [smnadr] ,[utcadr] ,cvtflg
    C Prototype
      int sys$timcon  (struct _generic_64 *smnadr, unsigned int
                      *utcadr [4], unsigned long int cvtflg);
Additional Information:
explode
extract