Preparation of a single timeline is problematic because records from different commands disagree by as much as three minutes. The following table is derived primarily from the research of Vincent P. O’Hara as published in his book The U.S. Navy Against the Axis.
TIME
US DESTROYERS
US CRUISERS
JAPANESE
2300
    Break formation to commence supply operations.
2306
  Minneapolis: radar contact.  
2308
Fletcher: radar contact.    
2310
  Reform column.
Course 320° T.
 
2312
    Sight American formation.
2314
  Course 300° T.  
2316
Cole: request permission to fire torpedoes.   Suspend supply operations.
2320
  Wright: order fire torpedoes.  
2321
Fletcher, Perkins and Drayton fire torpedoes. Commence gunfire.  
2322
    Takanami fires torpedoes.
2326
    Takanami hit by gunfire and disabled.
2327
  Minneapolis torpedoed.  
2328
  New Orleans torpedoed.  
2322–3
  Pensacola silhouetted. Four DDs: fire torpedoes.
2338
Drayton fires torpedoes. Pensacola torpedoed.  
2348
  Northampton torpedoed.  

Source: O’Hara.