2022 of what, you might ask them.
Muslims have their own calendar:
“As of 10 August 2021 CE, the current Islamic year is 1443 AH. In the Gregorian calendar reckoning, 1443 AH runs from approximately 10 August 2021 to 28 July 2022.” and their years are shorter (lunar, not solar based), which is why Ramadan moves around.
It was hard enough for the Communists in the USSR to move off the Julian calendar.