The time of day can vary - I've seen it as early as 11 am, as late as 4 - but nearly always on Tuesday with some exceptions when there's a Monday holiday (but even lately that seems to not have affected things.)
If we're not having fun, then why are we doing it?
These are DISCUSSION boards, not mutual admiration boards. Discussion only occurs when we are willing to hear what others are thinking, regardless of whether it is alignment to our own thoughts.