...Nippon TV broadcasted the Yomiuri Giants opening day game on the 26th. Here are the numbers according to Video Research (via Sanspo):
For the time slot between 5:50pm and 7pm (First half)
Kanto region - 8.4% (2009 - 8.4%)
Kansai regiong - 12.1%
For the time slot between 7pm and 9:14pm (Second half)
Kanto region - 12.3% (2009 - 13.3%)
Kansai region - 18.6%
...The umpires' union and the NPB met on the Monday to continue their ongoing negotiations on the extension of the current pension system.
From what I can gather, the umpires' union is trying to set more specific workday guidelines while the NPB doesn't think that's possible due to the nature of the job.