How is this tool called?

Hello everyone,
I am sorry, if the question has been posted already but I have to say, I have no clue how to search for it.
I would like to know, how this tool o the screenshot down below is called. it sits in the middle of my screen and I do not know how to configure it, so I can get it to the edge of my screen and I would also like to configure it to a 24 hours clock.
I hope you can help me.

Thanks and kind regards
Atlan

conky

Start here:

Conky - ArchWiki

It's not very "easy" so will need you to spend a bit of time learning the configuration syntax, but once you've done that it's straightforward to make changes.

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${time %H:%M}
${time %a. %d.%m.%Y}

2020-12-30_22-46

and

:slight_smile:

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Wow, that was fast. Thank you two very much.

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