Starting off the discussion thread for next season, aka 2017.
Current Schedule:
26 March Australia (Melbourne)
9 April China (Shanghai)
16 April Bahrain (Sakhir)
30 April Russia (Sochi)
14 May Spain (Barcelona)
28 May Monaco
11 June Canada (Montreal)
25 June Azerbaijan (Baku)
9 July Austria (Spielberg)
16 July Britain (Silverstone)
30 July Hungary (Budapest)
27 August Belgium (Spa-Francorchamps)
3 September Italy (Monza)
17 September Singapore (Marina Bay)
1 October Malaysia (Sepang)
8 October Japan (Suzuka)
22 October USA (Austin)
29 October Mexico (Mexico City)
12 November Brazil (Sao Paulo)*
26 November Abu Dhabi
* = to be confirmed
No German GP and Sao Paulo is in question.
http://www.bbc.com/sport/formula1/38160269