It reports the new account as if it would have been opened that long. So your AAOA will not drop with a new account but could even increase

Amex Platinum (NPSL) | Amex BCE (12,000) | Discover IT (8,000) | Chase Freedom (4,300) | Walmart (850) | Alliant CU Visa | CapOne Newcomers MC | Gone for good: CapOne secured (thx for getting me started) | Amex Zync (thx for getting me into AX)

FICO: TU 726 (5/13) EQ 710 (5/22) EX 714 (1/26)