Does it matter being a bit before 1st?

About --> TweetProbe Forecasting Twitter LinkedIn

Discovery --> 1st Timelines Mumbai Sichuan LA Quake Earthquakes Stocks
29 Jul 08
Earthquake Los Angeles California ~ Timeline graph of 1st tweets - two charts because we like bars better :)  Upper two charts are soon after first tweets, lower two are as of 18:00 EDT  {LA Earthquake}

Earthquake Los Angeles California ~ Timeline graph of 1st tweets - two charts because we like bars better :)  Upper two charts are soon after first tweets, lower two are as of 18:00 EDT  {LA Earthquake}