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

Jan 13th, 2018

Time
Show
Ratings
A18-49
10:30am Dragon Ball Super 904,000 475,000
11:00am DBZ Kai 761,000 442,000
11:30am Black Clover 609,000 371,000
12:00am Jojo’s Bizarre Adventure 508,000 274,000
12:30am Gundam IBO 445,000 249,000
1:00am Hunter X Hunter 460,000 280,000
1:30am Lupin The 3rd 428,000 276,000
2:00am Naruto Shippuden 430,000 272,000
2:30am Outlaw Star 421,000 259,000
3:00am Cowboy Bebop 412,000 270,000
3:00am Ghost In The Shell 370,000 245,000

;
comparison

Jan 14th, 2017

Time
Show
Ratings
A18-49
11:30am Dragon Ball Super 1,236,000 744,000
12:00am DBZ Kai 1,210,000 736,000
12:30am Jojo’s Bizarre Adventure 915,000 563,000
1:00am Gundam IBO 819,000 489,000
1:30am Hunter X Hunter 685,000 410,000
2:00am Naruto: Shippuden 654,000 406,000
2:30am One Piece 584,000 384,000
3:00am One Punch Man 614,000 417,000

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.