Timeline of the Virginia Tech shooting

This timeline of events from the Virginia Tech shooting lists times in Eastern Daylight Time (UTC-4).
The official timeline was compiled by TriData Corp, a division of defense contractor System Planning Corp., for use by the eight-member panel appointed by Virginia Governor Tim Kaine.
Background.
2004.
Monday, January 19
2005.
Fall
Fall poetry class
Removed from poetry class
Fall writing class
Sunday, November 27
Monday, December 12
Tuesday, December 13
Wednesday, December 14
2006.
Fall
2007.
Friday, February 2
Friday, February 9
March
Monday, March 12
Tuesday, March 13
Thursday, March 22
Friday, March 23
Late March, (exact date uncertain)
Saturday, March 31 (April 7, 8 and 13)
 Unknown date 
 Early April (date unknown) 
Sunday, April 8
Friday, April 13
Saturday, April 14
Sunday, April 15
Event.
Monday, April 16
Aftermath.
Tuesday, April 17
Wednesday, April 18
Thursday, April 19
Friday, April 20
Monday, April 23
June 12, 2007
August 30, 2007