21 2024. October 21, 2024 was the 6th day of sukkot (jewish observance). November 21 in recent years 2024 (thursday).
December 10, 2024—kb5048667 (os build 26100.2605) november 21, 2024—kb5046740 (os build 26100.2454) preview; What happened on october 21, 2024.