My understanding is that the redacted Mueller report that will be released tomorrow may run to up to 400 pages. How long does it take to thoughtfully read 400 pages? Depends on the author, of course, as well as the reader.
But would it make sense to assume an average pace of 50 pages an hour and declare a moratorium on announcing conclusions for a span of at least eight hours so people asserting conclusions actually know what they are talking about?
Anything faster suggests that the poster’s mind was made up in advance of the data.