<Table> <Tr> <Th> Phase </Th> <Th> Round </Th> <Th> Draw date </Th> <Th> First leg </Th> <Th> Second leg </Th> </Tr> <Tr> <Td> Qualifying </Td> <Td> First qualifying round </Td> <Td> 19 June 2017 </Td> <Td> 27 -- 28 June 2017 </Td> <Td> 4 -- 5 July 2017 </Td> </Tr> <Tr> <Td> Second qualifying round </Td> <Td> 11 -- 12 July 2017 </Td> <Td> 18 -- 19 July 2017 </Td> </Tr> <Tr> <Td> Third qualifying round </Td> <Td> 14 July 2017 </Td> <Td> 25 -- 26 July 2017 </Td> <Td> 1 -- 2 August 2017 </Td> </Tr> <Tr> <Td> Play - off </Td> <Td> Play - off round </Td> <Td> 4 August 2017 </Td> <Td> 15 -- 16 August 2017 </Td> <Td> 22 -- 23 August 2017 </Td> </Tr> <Tr> <Td> Group stage </Td> <Td> Matchday 1 </Td> <Td> 24 August 2017 ( Monaco ) </Td> <Td colspan="2"> 12 -- 13 September 2017 </Td> </Tr> <Tr> <Td> Matchday 2 </Td> <Td colspan="2"> 26 -- 27 September 2017 </Td> </Tr> <Tr> <Td> Matchday 3 </Td> <Td colspan="2"> 17 -- 18 October 2017 </Td> </Tr> <Tr> <Td> Matchday 4 </Td> <Td colspan="2"> 31 October -- 1 November 2017 </Td> </Tr> <Tr> <Td> Matchday 5 </Td> <Td colspan="2"> 21 -- 22 November 2017 </Td> </Tr> <Tr> <Td> Matchday 6 </Td> <Td colspan="2"> 5 -- 6 December 2017 </Td> </Tr> <Tr> <Td> Knockout phase </Td> <Td> Round of 16 </Td> <Td> 11 December 2017 </Td> <Td> 13 -- 14 & 20 -- 21 February 2018 </Td> <Td> 6 -- 7 & 13 -- 14 March 2018 </Td> </Tr> <Tr> <Td> Quarter - finals </Td> <Td> 16 March 2018 </Td> <Td> 3 -- 4 April 2018 </Td> <Td> 10 -- 11 April 2018 </Td> </Tr> <Tr> <Td> Semi-finals </Td> <Td> 13 April 2018 </Td> <Td> 24 -- 25 April 2018 </Td> <Td> 1 -- 2 May 2018 </Td> </Tr> <Tr> <Td> Final </Td> <Td colspan="2"> 26 May 2018 at NSC Olimpiyskiy Stadium , Kiev </Td> </Tr> </Table>
<Table> <Tr> <Th> Phase </Th> <Th> Round </Th> <Th> Draw date </Th> <Th> First leg </Th> <Th> Second leg </Th> </Tr> <Tr> <Td> Qualifying </Td> <Td> First qualifying round </Td> <Td> 19 June 2017 </Td> <Td> 27 -- 28 June 2017 </Td> <Td> 4 -- 5 July 2017 </Td> </Tr> <Tr> <Td> Second qualifying round </Td> <Td> 11 -- 12 July 2017 </Td> <Td> 18 -- 19 July 2017 </Td> </Tr> <Tr> <Td> Third qualifying round </Td> <Td> 14 July 2017 </Td> <Td> 25 -- 26 July 2017 </Td> <Td> 1 -- 2 August 2017 </Td> </Tr> <Tr> <Td> Play - off </Td> <Td> Play - off round </Td> <Td> 4 August 2017 </Td> <Td> 15 -- 16 August 2017 </Td> <Td> 22 -- 23 August 2017 </Td> </Tr> <Tr> <Td> Group stage </Td> <Td> Matchday 1 </Td> <Td> 24 August 2017 ( Monaco ) </Td> <Td colspan="2"> 12 -- 13 September 2017 </Td> </Tr> <Tr> <Td> Matchday 2 </Td> <Td colspan="2"> 26 -- 27 September 2017 </Td> </Tr> <Tr> <Td> Matchday 3 </Td> <Td colspan="2"> 17 -- 18 October 2017 </Td> </Tr> <Tr> <Td> Matchday 4 </Td> <Td colspan="2"> 31 October -- 1 November 2017 </Td> </Tr> <Tr> <Td> Matchday 5 </Td> <Td colspan="2"> 21 -- 22 November 2017 </Td> </Tr> <Tr> <Td> Matchday 6 </Td> <Td colspan="2"> 5 -- 6 December 2017 </Td> </Tr> <Tr> <Td> Knockout phase </Td> <Td> Round of 16 </Td> <Td> 11 December 2017 </Td> <Td> 13 -- 14 & 20 -- 21 February 2018 </Td> <Td> 6 -- 7 & 13 -- 14 March 2018 </Td> </Tr> <Tr> <Td> Quarter - finals </Td> <Td> 16 March 2018 </Td> <Td> 3 -- 4 April 2018 </Td> <Td> 10 -- 11 April 2018 </Td> </Tr> <Tr> <Td> Semi-finals </Td> <Td> 13 April 2018 </Td> <Td> 24 -- 25 April 2018 </Td> <Td> 1 -- 2 May 2018 </Td> </Tr> <Tr> <Td> Final </Td> <Td colspan="2"> 26 May 2018 at NSC Olimpiyskiy Stadium , Kiev </Td> </Tr> </Table>
when does the champions league group stage start
when does the champions league group stage start
12 -- 13 September 2017
12 -- 13 September 2017