You mentioned the "Left Coast"..?
Here in Kalifornia the law is "One day or one trial".
If yoiu get called on a panel of prospective jurors and are eliminated/dismissed for any reason.. back to the juror pool with ya!
So.. you are gunna spend a minimum of one day furiously waiting... waiting for anything to happen... waiting.. tic..... toc...........tic...............toc............... .....tic.......... PLEASE SOMEONE FAKE AN EPILEPTIC SEAZURE... ANYTHING!!!!
Just pray that there are some local restaurants to eat at otherwise come lunch time you will be introduced to the "$6 Court House Hot Dog and the $2.50 Coke"
The only redeeming quality of jury duty is.. next time you go to the dentist for root canal, you will be able to think back on your jury experience and realize that "it could be worse!!"