1. Close itunes, reopen itunes, THEN connect ipod to sync
Time/date wildcard seems to occur if your computer sleeps, hibernates, or stands by while itunes is open and THEN connected to ipod touch. Also, if computer sleeps, hibernates, or stands by WHILE your ipod touch is connected upon wake the time/date may also go nuts.
Finally, if you undock (maybe even connect disconnect other USB entities), open many CPU intensive programs, or use apps that make your computer "cranky" while itunes is open you may have to:
2. Restart computer, open itunes, THEN connect ipod to sync.
If time is off by one hour exactly or some other measure that doesn't seem completely arbitrary, check your computer time and time zone as well as the time zone you've chosen for your ipod touch then resync with a freshly opened itunes. Otherwise:
3. Try the 5 R's (Recharge, Restart, Reset, Remove, Restore)
Please update/crosslink this thread as better understanding of this 'feature' comes available. Thank you.