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

Jan 27th, 2018

Time
Show
Ratings
A18-49
10:30am Dragon Ball Super 999,000 538,000
11:00am DBZ Kai 782,000 427,000
11:30am Black Clover 562,000 309,000
12:00am Jojo’s Bizarre Adventure 484,000 259,000
12:30am Gundam IBO 398,000 228,000
1:00am Hunter X Hunter 386,000 226,000
1:30am Naruto Shippuden 423,000 264,000
2:00am Outlaw Star 343,000 201,000
2:30am Space Dandy 319,000 196,000
3:00am Cowboy Bebop 389,000 251,000
3:00am Ghost In The Shell 375,000 228,000

;
comparison

Jan 28th, 2018

Time
Show
Ratings
A18-49
11:30am Dragon Ball Super 1,158,000 702,000
12:00am DBZ Kai 1,038,000 634,000
12:30am Jojo’s Bizarre Adventure 866,000 487,000
1:00am Gundam IBO 797,000 457,000
1:30am Hunter X Hunter 779,000 442,000
2:00am Naruto: Shippuden 814,000 453,000
2:30am One Piece 627,000 376,000
3:00am One Punch Man 671,000 416,000

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.