Uefa confirms fixtures for the Champions League and Europa League following Thursday’s draw.
On the same day, Chelsea will travel to Dinamo Zagreb for one of two 17:45 BST kickoffs, while Manchester City will play Sevilla at 20:00 BST.
The next day, three other British teams, Liverpool, Rangers, and Tottenham, begin their seasons.
On September 7, Rangers will play at Ajax at 17:45, Liverpool will play at Napoli at 20:00, and Tottenham will play at home against Marseille at the same time.
Runners-up in the Premier League and Scottish Premiership Liverpool and Rangers will face off for the first time on matchday three at Anfield at 20:00 on October 4; both teams are in Group A.
The second game at Ibrox is the following week, on October 12 at 20:00.
On November 1 and 2, the last games of the group stage will be played.
On June 10, 2023, the championship game will take place in the Ataturk Olympic Stadium in Istanbul, Turkey.
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The first round of Europa League matches will be played on September 8, with Manchester United hosting Real Sociedad at 20:00 and Arsenal traveling to FC Zurich at 17:45.
On the same day, West Ham hosts FCSB of Romania at home at 20:00. And Hearts hosts Istanbul Basaksehir in the Europa Conference League at Tynecastle at 17:45.
Champions League fixtures (all times BST)
6 Sep – 17:45 Dinamo Zagreb v Chelsea
6 Sep – 20:00 Celtic v Real Madrid
6 Sep – 20:00 Sevilla v Manchester City
7 Sep – 17:45 Ajax v Rangers
7 Sep – 20:00 Napoli v Liverpool
7 Sep – 20:00 Tottenham Hotspur v Marseille
13 Sep – 17:45 Sporting v Tottenham Hotspur
13 Sep – 20:00 Liverpool v Ajax
13 Sep – 20:00 Rangers v Napoli
14 Sep – 17:45 Shakhtar Donetsk v Celtic
14 Sep – 20:00 Chelsea v Salzburg
14 Sep – 20:00 Manchester City v Borussia Dortmund
4 Oct – 20:00 Liverpool v Rangers FC
4 Oct – 20:00 Eintracht Frankfurt v Tottenham Hotspur
5 Oct – 17:45 RB Leipzig v Celtic
5 Oct – 20:00 Chelsea v AC Milan
5 Oct – 20:00 Manchester City v FC Copenhagen
11 Oct – 17:45 FC Copenhagen v Manchester City
11 Oct – 20:00 AC Milan v Chelsea
11 Oct – 20:00 Celtic v RB Leipzig
12 Oct – 20:00 Rangers v Liverpool
12 Oct – 20:00 Tottenham Hotspur v Eintracht Frankfurt
25 Oct – 17:45 Salzburg v Chelsea
25 Oct – 20:00 Celtic v Shakhtar Donetsk
25 Oct – 20:00 Borussia Dortmund v Manchester City
26 Oct – 20:00 Napoli v Rangers
26 Oct – 20:00 Ajax v Liverpool
26 Oct – 20:00 Tottenham Hotspur v Sporting
1 Nov – 20:00 Liverpool v Napoli
1 Nov – 20:00 Rangers v Ajax
1 Nov – 20:00 Marseille v Tottenham Hotspur
2 Nov – 18:45 Real Madrid – Celtic
2 Nov – 20:00 Chelsea – Dinamo Zagreb
2 Nov – 20:00 Manchester City v Sevilla
Europa League fixtures
8 Sep – 17:45 FC Zurich v Arsenal
8 Sep – 20:00 Manchester United – Real Sociedad
15 Sep – 17:45 Sheriff Tiraspol v Manchester United
15 Sep – 20:00 Arsenal v PSV Eindhoven
6 Oct – 17:45 Omonoia v Manchester United
6 Oct – 20:00 Arsenal v Bodo/Glimt
13 Oct – 17:45 Bodo/Glimt v Arsenal
13 Oct – 20:00 Manchester United v Omonoia
27 Oct – 17:45 PSV Eindhoven v Arsenal
27 Oct – 20:00 Manchester United v Sheriff Tiraspol
3 Nov – 17:45 Real Sociedad v Manchester United
3 Nov – 20:00 Arsenal v FC Zurich
Europa Conference League fixtures
8 Sep – 17:45 Hearts v İstanbul Basaksehir
8 Sep – 20:00 West Ham United v FCSB
15 Sep – 20:00 RFS v Hearts
15 Sep – 20:00 Silkeborg v West Ham United
6 Oct – 17:45 Anderlecht v West Ham United
6 Oct – 20:00 Hearts v Fiorentina
13 Oct – 17:45 Fiorentina v Hearts
13 Oct – 20:00 West Ham United v Anderlecht
27 Oct – 20:00 Hearts v RFS
27 Oct – 20:00 West Ham United v Silkeborg
3 Nov – 15:30 İstanbul Basaksehir v Hearts
3 Nov – 20:00 FCSB v West Ham United
