These are the dates of everything important that occurred in this story.
1971- Katherine's birthday
July 4, 1989- Noah & Carly's birthday
June 1990- Katherine is changed
September 1990- Edward leaves Bella
June 7, 1991- Ethan's birthday
July 4, 1992- Ella's birthday
May 1995- Katherine leaves the Volturi
August 9, 2007- Edward changes Carly
Carlisle changes Noah
November 12, 2010- Bella dies in a car crash
Ella leaves to find Edward
John changes Bella
November 14, 2010- Ethan meets Katherine
Bella finishes her change and leaves with John
November 16, 2010- Ella's car breaks down in Colorado
Edward takes Ella home with him
Ella falls into the well
Noah changes Ella
November 20, 2010- Ella finishes her change
Katherine changes Ethan
November 23, 2010- Ethan finishes the change
November 27, 2010- Ethan & Katherine find the Cullens
November 30, 2010- Alice has the vision that the Volturi are coming
December 9, 2010- Noah proposes to Ella
December 11, 2010- Alice has another vision about the Volturi
December 12 *midnight*, 2010- Volturi meets with Cullens
December 26, 2010- Noah's song
January 1, 2011- beginning of chapter 20
January 2, 2011- arrival at Mount Waialeale, Hawaii
February 4, 2011- the family leaves Hawaii
July 4, 2011- Noah, Carly and Ella's birthday party
September 1, 2031- epilogue