All data obtained from @SonOfTheBronx on Twitter:
Son Of The Bronx/Programming Insider

Jan 6th, 2017

Time
Show
Ratings
A18-49
10:30am Dragon Ball Super 971,000 589,000
11:00am DBZ Kai 869,000 511,000
11:30am Black Clover 642,000 396,000
12:00am Jojo’s Bizarre Adventure 530,000 342,000
12:30am Gundam IBO 462,000 303,000
1:00am Hunter X Hunter 454,000 272,000
1:30am Lupin The 3rd 427,000 261,000
2:00am Naruto Shippuden 384,000 230,000
2:30am Outlaw Star 386,000 222,000
3:00am Cowboy Bebop 407,000 245,000
3:00am Ghost In The Shell 401,000 239,000

;
comparison

Jan 7th, 2016

Time
Show
Ratings
A18-49
11:30am Dragon Ball Super 1,369,000 835,000
12:00am DBZ Kai 1,124,000 641,000
12:30am Jojo’s Bizarre Adventure 900,000 563,000
1:00am Gundam IBO 747,000 453,000
1:30am Hunter X Hunter 679,000 389,000
2:00am Naruto: Shippuden 675,000 393,000
2:30am One Piece 554,000 328,000
3:00am One Punch Man 581,000 349,000

If you want more data, you can check my spreadsheet here;. That will have further data including per year difference and A18-49 differences.

Let us know what you think in the comments below about the ratings.