The Week 16 San Francisco 49ers-Seattle Seahawks game on Sunday, December 23 will be played at 8:20 PM ET on NBC’s Sunday Night Football, the NFL announced today. The game was originally scheduled for 1:25 p.m. 

The San Diego Chargers-New York Jets game, originally scheduled for Sunday night, will move to 1:00 PM ET on CBS and the New York Giants-Baltimore Ravens game will move to 4:25 PM ET on FOX.

This will be San Francisco's sixth prime-time game of the 2012 season. The 49ers also play this Sunday night in Week 15 against the Patriots.  

The NFL utilizes “flexible scheduling” on Sundays in Weeks 11-17.  Flexible scheduling is in place to ensure quality matchups in all NFL Sunday time slots in those weeks and give teams a chance to play their way onto primetime and into the late-afternoon 4:25 PM ET time slot on CBS and FOX. 

49ers/NFL Media services contributed to this report