Now ANA's website is showing:
NH822 HKG-HND at 00:40
NH810 HKG-NRT at 15:20
NH812 HKG-NRT at 10:00
--for January 2
Google flights also shows the second Haneda flight (NH860 at 14:25) on January 2 as well!
Though none of these appear to be bookable as awards on ANA's site