UEFA unveiled the Champions League group stage schedule on Saturday.
Benfica are the first team to enter the field against Maccabi Haifa on September 6 at the Estádio da Luz.
Sporting will start by facing Eintracht Frankfurt away on September 7.
FC Porto will start the campaign at Atlético Madrid, also on September 7.
Calendar:
first round
September 6 – 5.45pm GNK Dinamo – Chelsea
September 6 – 5:45 p.m. Borussia Dortmund – Copenhagen
September 6 – 8:00 p.m. Salzburg – AC Milan
September 6 – 8:00 p.m. Celtic v Real Madrid
September 6 – 8:00 p.m. Leipzig – Shakhtar Donetsk
September 6 – 8:00 p.m. Sevilla – Manchester City
September 6 – 8:00 p.m. Paris Saint-Germain – Juventus
September 6 – 8:00 p.m. Benfica – Maccabi Haifa
7 September – 17:45 Ajax – Rangers
September 7 – 5:45 PM Eintracht Frankfurt – Sporting
7 September – 20:00 Napoli – Liverpool
September 7 – 8:00 p.m. Atlético Madrid – FC Porto
September 7 – 20:00 Brugge – Bayer Leverkusen
7 September – 20:00 Barcelona – Viktoria Plzen
September 7 – 20:00 Inter – Bayern Munich
7 September – 20:00 Tottenham – Marseille
second day
September 13 – 5:45 pm Viktoria Plzen – Inter
September 13 – 5:45 PM Sporting – Tottenham
September 13 – 8:00 p.m. Liverpool – Ajax
13 September – 20:00 Rangers – Napoli
13 September – 20:00 FC Porto – Bruges
13 September – 20:00 Bayer Leverkusen – Atlético Madrid
13 September – 20:00 Bayern Munich – Barcelona
September 13 – 20:00 Marseille – Eintracht Frankfurt
14 September – 17:45 AC Milan – GNK Dinamo
September 14 – 5:45 PM Shakhtar Donetsk – Celtic
14 September – 20:00 Chelsea – Salzburg
September 14 – 20:00 Real Madrid – Leipzig
September 14 – 8:00 p.m. Manchester City – Borussia Dortmund
14 September – 20:00 Copenhagen – Sevilla
14 September – 20:00 Juventus – Benfica
14 September – 20:00 Maccabi Haifa – Paris Saint-Germain
third trip
October 4 – 5:45 p.m. Bayern Munich – Viktoria Plzen
October 4 – 5:45 p.m. Marseille – Sporting
October 4 – 8 p.m. Liverpool – Rangers
October 4 – 8:00 p.m. Ajax – Napoli
October 4 – 8:00 p.m. FC Porto – Bayer Leverkusen
October 4 – 8:00 p.m. Brugge – Atletico Madrid
October 4 – 8:00 p.m. Inter-Barcelona
October 4 – 8:00 p.m. Eintracht Frankfurt – Tottenham
October 5 – 5.45pm Salzburg – GNK Dinamo
October 5 – 5:45 p.m. Leipzig – Celtic
October 5 – 8 p.m. Chelsea – AC Milan
October 5 – 8:00 p.m. Real Madrid – Shakhtar Donetsk
5 October – 20:00 Manchester City – Copenhagen
October 5 – 8:00 p.m. Sevilla – Borussia Dortmund
October 5 – 8:00 p.m. Juventus – Maccabi Haifa
October 5 – 8:00 p.m. Benfica – Paris Saint-Germain
fourth day
October 11 – 5:45 p.m. Copenhagen – Manchester City
11 October – 17:45 Maccabi Haifa – Juventus
October 11 – 8:00 p.m. GNK Dinamo – Salzburg
11 October – 20:00 AC Milan – Chelsea
11 October – 20:00 FC Shakhtar Donetsk – Real Madrid
October 11 – 8 p.m. Celtic-Leipzig
11 October – 20:00 Borussia Dortmund – Sevilla
October 11 – 8:00 p.m. Paris Saint-Germain – Benfica
October 12 – 5:45 p.m. Napoli – Ajax
12 October – 17:45 Atlético Madrid – Brugge
October 12 – 8 p.m. Rangers – Liverpool
October 12 – 8:00 p.m. Bayer Leverkusen – FC Porto
12 October – 20:00 Barcelona – Inter
October 12 – 8:00 p.m. Viktoria Plzen – Bayern Munich
12 October – 20:00 Tottenham – Eintracht Frankfurt
12 October – 20:00 Sporting – Marseille
fifth day
October 25 – 5:45 p.m. Salzburg – Chelsea
October 25 – 5:45 p.m. Sevilla – Copenhagen
25 October – 20:00 GNK Dinamo – AC Milan
25 October – 20:00 Celtic – Shakhtar Donetsk
October 25 – 8:00 p.m. Leipzig – Real Madrid
October 25 – 8:00 p.m. Borussia Dortmund – Manchester City
October 25 – 8:00 p.m. Paris Saint-Germain – Maccabi Haifa
October 25 – 8:00 p.m. Benfica – Juventus
October 26 – 5.45pm Bruges – FC Porto
October 26 – 5:45 p.m. Inter – Viktoria Plzen
October 26 – 8:00 p.m. Napoli – Rangers
October 26 – 8:00 p.m. Ajax – Liverpool
26 October – 20:00 Atlético Madrid – Bayer Leverkusen
October 26 – 8:00 p.m. Barcelona – Bayern Munich
October 26 – 8:00 p.m. Tottenham – Sporting
26 October – 20:00 Eintracht Frankfurt – Marseille
sixth journey
November 1 – 5:45 p.m. FC Porto – Atlético Madrid
1 November – 17:45 Bayer Leverkusen – Bruges
November 1 – 8:00 p.m. Liverpool – Napoli
November 1 – 8 p.m. Rangers – Ajax
1 November – 20:00 Bayern Munich – Inter
1 November – 20:00 Viktoria Plzen – Barcelona
November 1 – 8:00 p.m. Sporting – Eintracht Frankfurt
November 1 – 8:00 p.m. Marseille – Tottenham
November 2 – 5:45 p.m. Real Madrid – Celtic
November 2 – 5:45 p.m. Shakhtar Donetsk – Leipzig
November 2 – 8 p.m. Chelsea – GNK Dinamo
November 2 – 8:00 p.m. AC Milan – Salzburg
November 2 – 8:00 p.m. Manchester City – Sevilla
November 2 – 8:00 p.m. Copenhagen – Borussia Dortmund
November 2 – 8:00 p.m. Juventus – Paris Saint-Germain
2 November – 20:00 Maccabi Haifa – Benfica