2009 Rule Changes

• Slick Tyres are back
• Introduction of KERS
• Engines to be used for 3 races and revs down to 18000 RPM(I hate this change)
• Aerodynamic change :weird lokingcar but better racing 
• Testing : Reduced testing , this will mostly impact the test drivers

Here is complete Article....

http://formula1.com/news/features/2008/11/8741.html

2009 Formula One calendar :Provisional

1. 29 March Australia
2. 5 April Malaysia
3. 19 April Bahrain
4. 10 May Spain
5. 24 May Monaco
6. 7 June Turkey
7. 21 June Great Britain
8. 28 June France
9. 12 July Germany
10. 26 July Hungary
11. 23 August Europe (Valencia)
12. 30 August Belgium
13. 13 September Italy
14. 27 September Singapore
15. 11 October Japan
16. 18 October China
17. 1 November Brazil
18. 15 November Abu Dhabi