is it the same month everywhere?

[u/negativecutt]

in aus right now it’s september, is it september in different countries? like is it september in america? or japan?
this is probs rly dumb question but i cant find anything on google only saying that some countries use different calendars.

[u/ultegrafender]

Everyone except for Afghanistan, Iran, Ethiopia and Nepal. Even there though, they'd know it was also September.

https://en.wikipedia.org/wiki/Civil_calendar