This is the patch schedule of League of Legends in 2022

Riot released periodically League of LegendsPatches include a multitude of bug fixes, improvements, and new content for the game.
Patches, typically scheduled for release every two weeks, cater for both competitive and solo queue play, targeting champions, items, runes, and summoning spells.
They also regularly include new skins, along with new champions less often. In 2021 over 140 skins and several champions (Viego, Gwen, Akshan and Vex) have advanced League. Many more are expected to come to the game in 2022.
Here is the full patch calendar for 2022, from Patch 12.1 on January 5 to Patch 12.23 on December 7.
patch | Day |
12.1 | Wednesday, January 5 |
12.2 | Thursday, January 20 |
12.3 | Wednesday, February 2 |
12.4 | Wednesday, February 18 |
12.5 | Wednesday, March 2 |
12.6 | Wednesday, March 30 |
12.7 | Wednesday, April 13 |
12.8 | Wednesday, April 27 |
12.9 | Wednesday, May 11 |
12.10 | Wednesday, May 25 |
12.11 | Wednesday, June 8 |
12.12 | Thursday, June 23 |
12.13 | Wednesday, July 13 |
12.14 | Wednesday, July 27 |
12.15 | Wednesday, August 10 |
12.16 | Wednesday, August 24 |
12.17 | Thursday, September 8 |
12.18 | Wednesday, September 21 |
12.19 | Wednesday. October 5 |
12.20 | Wednesday, October 19 |
12.21 | Wednesday, November 2 |
12.22 | Wednesday, November 16 |
12.23 | Thursday, November 7 |
https://dotesports.com/league-of-legends/news/league-of-legends-2022-patch-schedule This is the patch schedule of League of Legends in 2022