I've been blogging for years before Steemit/Hive and Tuesday has always been one of, if not the best day to post due to people having to catch up on work on Mondays. In effecr, Tuesday becomes the first "free" day of the week for them.
The big question for some is, do you publish on the busiest times and days? (while facing more competition, causing your post to get lost in the increased traffic), or publish on the slower times and days (less traffic, but also less competition, so that your post has a chance to stand out more to LESS of an audience) decisions, decisions...