Clocks Change, and Ratings Fall March 15, 2012, 4:26 pm In an odd twist, the time change due to Daylight Savings apparently continued to depress television ratings among the networks for the fourth night in a row on Wednesday. Overall viewership in the 18-to-49-year-old demographic was down by 9 percent compared to last week and almost every show experienced a drop in ratings of some kind. Fox was the No. 1 network for the night and "American Idol" had 17.9 million total viewers, but that was down from the 18.7 million who tuned in for last Wednesday's episode. On ABC, "Modern Family" finished with season lows in the 18-to-49 category and in total viewers (10.5 million). "Criminal Minds" on CBS hit a series low in viewers 18-to-49 and had 11.3 million total viewers.