| June 13, 2023 | draw for preliminary rounds Champions League |
| June 20/21, 2023 | draw for 1st and 2nd qualifying round Champions League
draw for 1st and 2nd qualifying round Europa Conference League |
| June 27, 2023 | preliminary round Champions League, semi-finals |
| June 30, 2023 | preliminary round Champions League, final |
| July 11/12, 2023 | 1st qualifying round Champions League, 1st leg |
| July 13 2023 | 1st qualifying round Europa Conference League, 1st leg |
| July 18/19, 2023 | 1st qualifying round Champions League, 2nd leg |
| July 20, 2023 | 1st qualifying round Europa Conference League, 2nd leg |
| July 24, 2023 | draw for 3rd qualifying round Champions League
draw for 3rd qualifying round Europa League draw for 3rd qualifying round Europa Conference League |
| July 25/26, 2023 | 2nd qualifying round Champions League, 1st leg |
| July 27 2023 | 2nd qualifying round Europa Conference League, 1st leg |
| August 1/2, 2023 | 2nd qualifying round Champions League, 2nd leg |
| August 3, 2023 | 2nd qualifying round Europa Conference League, 2nd leg |
| August 7, 2023 | draw for play-off round Champions League
draw for play-off round Europa League draw for play-off round Europa Conference League |
| August 8/9, 2023 | 3rd qualifying round Champions League, 1st leg |
| August 10 2023 | 3rd qualifying round Europa League, 1st leg |
| August 10 2023 | 3rd qualifying round Europa Conference League, 1st leg |
| August 15, 2023 | 3rd qualifying round Champions League, 2nd leg |
| August 16, 2023 | UEFA Super Cup (Piraeus) |
| August 17, 2023 | 3rd qualifying round Europa League, 2nd leg |
| August 17, 2023 | 3rd qualifying round Europa Conference League, 2nd leg |
| August 22/23, 2023 | play-off round Champions League, 1st leg |
| August 24 2023 | play-off round Europa League, 1st leg |
| August 24 2023 | play-off round Europa Conference League, 1st leg |
| August 29/30, 2023 | play-off round Champions League, 2nd leg |
| August 31, 2023 | draw for Champions League group stage |
| August 31, 2023 | play-off round Europa League, 2nd leg |
| August 31, 2023 | play-off round Europa Conference League, 2nd leg |
| September 1, 2023 | draw for Europa League group stage
draw for Europa Conference League group stage |
| September 19/20, 2023 | 1st match Champions League group stage |
| September 21, 2023 | 1st match Europa League group stage |
| September 21, 2023 | 1st match Europa Conference League group stage |
| October 3/4, 2023 | 2nd match Champions League group stage |
| October 5, 2023 | 2nd match Europa League group stage |
| October 5, 2023 | 2nd match Europa Conference League group stage |
| October 24/25, 2023 | 3rd match Champions League group stage |
| October 26, 2023 | 3rd match Europa League group stage |
| October 26, 2023 | 3rd match Europa Conference League group stage |
| November 7/8, 2023 | 4th match Champions League group stage |
| November 9, 2023 | 4th match Europa League group stage |
| Novemberr 9, 2023 | 4th match Europa Conference League group stage |
| November 28/29, 2023 | 5th match Champions League group stage |
| November 30, 2023 | 5th match Europa League group stage |
| November 30, 2023 | 5th match Europa Conference League group stage |
| December 12/13, 2023 | 6th match Champions League group stage |
| December 14, 2023 | 6th match Europa League group stage |
| December 14, 2023 | 6th match Europa Conference League group stage |
| December 18, 2023 | draw for Champions League round of 16
draw for Europa League knockout round play-off draw for Europa Conference League knockout round play-off |
| February 13/14/20/21, 2024 | Round of 16 Champions League, 1st leg |
| February 15, 2024 | Knockout round play-off Europa League, 1st leg |
| February 15, 2024 | Knockout round play-off Europa Conference League, 1st leg |
| February 22, 2024 | Knockout round play-off Europa League, 2nd leg |
| February 22, 2024 | Knockout round play-off Europa Conference League, 2nd leg |
| February 23, 2024 | draw for Europa League round of 16
draw for Europa Conference League round of 16 |
| March 5/6/12/13, 2024 | Round of 16 Champions League, 2nd leg |
| March 7, 2024 | Round of 16 Europa League, 1st leg |
| March 7, 2024 | Round of 16 Europa Conference League, 1st leg |
| March 14, 2024 | Round of 16 Europa League, 2nd leg |
| March 14, 2024 | Round of 16 Europa Conference League, 2nd leg |
| March 15, 2024 | draw for quarter-finals and semi-finals Champions League
draw for quarter-finals and semi-finals Europa League draw for quarter-finals and semi-finals Europa Conference League |
| April 9/10, 2024 | Quarter Finals Champions League, 1st leg |
| April 11, 2024 | Quarter Finals Europa League, 1st leg |
| April 11, 2024 | Quarter Finals Europa Conference League, 1st leg |
| April 16/17, 2024 | Quarter Finals Champions League, 2nd leg |
| April 18, 2024 | Quarter Finals Europa League, 2nd leg |
| April 18, 2024 | Quarter Finals Europa Conference League, 2nd leg |
| April 30/May 1, 2024 | Semi Finals Champions League, 1st leg |
| May 2, 2024 | Semi Finals Europa League, 1st leg |
| May 2, 2024 | Semi Finals Europa Conference League, 1st leg |
| May 7/8, 2024 | Semi Finals Champions League, 2nd leg |
| May 9, 2024 | Semi Finals Europa League, 2nd leg |
| May 9, 2024 | Semi Finals Europa Conference League, 2nd leg |
| May 22, 2024 | Final Europa League (Dublin) |
| May 29, 2024 | Final Europa Conference League (Athens) |
| June 1, 2024 | Final Champions League (London) |
Old calendars: [ 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | 1999 | 1998 ]