What's the best moment to post News or Upload a game?

Here we are (again) with other website Stats (2017).
You can see what are the hottest hours and days on indiexpo.

You can use this table to see what's the best moment to upload your game or post News about it.

Where the blue is strong... they are the hottest hours. 

It's focused about the European (Rome-London-Berlin) Time Zone.