All data obtained from @SonOfTheBronx on Twitter:

Son Of The Bronx/Programming Insider

Jan 5th, 2019

Time
Show
Ratings
A18-49
11:00pm Dragon Ball Super 679,000 437,000
11:30pm Boruto 500,000 275,000
12:00am My Hero Academia 467,000 261,000
12:30am Mob Psycho 100 389,000 247,000
1:00am Megalobox 371,000 238,000
1:30am Jojo’s Bizarre Adventure 363,000 230,000
2:00am Black Clover 391,000 253,000
2:30am Hunter X Hunter 344,000 236,000
3:00am Naruto: Shippuden 364,000 242,000
3:30am Attack On Titan 293,000 200,000
4:00am Pop Team Epic 245,000 172,000
4:30am Gundam: IBO 239,000 166,000


Jan 6th, 2018

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 Adventures 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
3:30am Ghost In The Shell 401,000 239,000

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.