When does the regular season of nhl start?
The 2017–18 NHL season was the 101st season of operation (100th season of play) of the National Hockey League. With the addition of a new expansion team, the Vegas Golden Knights, 31 teams competed in an 82-game regular season. The regular season began on October 4, 2017, and ended on April 8, 2018. The 2018 Stanley Cup playoffs began on April 11, 2018, and concluded on June 7, with the Washington Capitals winning their first Stanley Cup in the Finals over the Vegas Golden Knights in five games.
When does the 2017-2018 regular season of nhl start?
October 4, 2017
2017–18 NHL season
No context provided
When does the 2016-2017 regular season of nhl start?
October 12, 2016
No context provided
When does the 2015-2016 regular season of nhl start?
October 7, 2015
2017–18 NHL season
https://en.wikipedia.org/wiki/2017%E2%80%9318%20NHL%20season
2015–16 NHL season
https://en.wikipedia.org/wiki/2015%E2%80%9316%20NHL%20season
2016–17 NHL season
https://en.wikipedia.org/wiki/2016%E2%80%9317%20NHL%20season
The 2015–16 NHL season was the 99th season of operation (98th season of play) of the National Hockey League (NHL). Thirty teams competed in 82-game regular season schedules from October 7, 2015 to April 10, 2016.
2015–16 NHL season
The 2016–17 NHL season was the 100th season of operation (99th season of play) of the National Hockey League. Thirty teams were competing in an 82-game regular season from October 12, 2016, to April 9, 2017. 
2016–17 NHL season
The 2017–18 NHL season was the 101st season of operation (100th season of play) of the National Hockey League. With the addition of a new expansion team, the Vegas Golden Knights, 31 teams competed in an 82-game regular season. The regular season began on October 4, 2017, and ended on April 8, 2018. 
2017–18 NHL season
The 2015–16 NHL season of the National Hockey League (NHL) started October 7, 2015. The 2016–17 NHL season started October 12, 2016 and the 2017–18 NHL season started October 4, 2017