Which is the best day to launch on PH?

The best launch day on PH is the day when you and your team are most prepared and can devote all your time to the launch.

Depends on whether your focus is Traffic (more eyeballs), or ranking. I guess weekends are easier to get top ranked, due to less competition.

I think Wednesday is a day with high traffic but also high competition.

I feel Friday is a good day because you get the whole week to prep.

In my opinion, Wednesday is a great day to launch a project. It falls in the middle of the week when there is more attention and typically less competition than Tuesday. However, if your goal is not to maximize feedback and web traffic but rather to earn a social badge, Friday is a good alternative. The downside of launching on a Friday is that some users in earlier time zones may already be on the weekend, which could result in less exposure.

For me based on my locality, fridays, which are days preceding the weekend, are ideal days to launch on PH, as so many persons will be less occupied from works, and other responsibilities, thereby having much allocated time to support the launch.