Most of the world celebrates it on 1st May.
In mostly countries its called “worker day”, labor day its used firstly in USA goverment for no respect the associate worker right
Japan has 勤労感謝の日 which is typically translated as “labor thanksgiving day” in English and is 23 November this year. We have no national public holiday on May 1st this year. I think it’s possible for some of the Golden Week holidays to fall on the 1st technically, but I’m not 100% sure on that.
May 1st colour being red is a nice subtle touch.
In the US, May 1 is “Loyalty Day”, as it has been since the McCarthy era
I always wonder how a commentation of something that happened in Chicago is celebrated around the world but not in the US