How late will I be at the courthouse? The court's normal hours of operation are 8:00 AM to 5:00 PM. Prospective jurors should make arrangements to remain the entire day. I’m busy. Why should I serve? As a citizen you participate in an important public process and fulfill a civic obligation.
www.sb-court.org
The court's normal hours of operation are
8:00 AM to 5:00 PM. Prospective jurors should make arrangements to remain the entire day.
This is for San Bernardino but I suspect it's very similar across the state of California.
ETA: This is what I found on the San Luis Obispo court website
Jury Duty - An Honored Service The right to a trial by jury is a privilege that applies to both criminal and civil cases and is recognized as the foundation of the American court system, guaranteed by both U.S. and California Constitutions. Contact Information s 1050 Monterey Street, Room 224 San
www.slo.courts.ca.gov
Normally, service may be required as often as once per year. Service lasts from one day to the length of the trial, starting at 8:00am and ending at 5:00pm.
I can't find anything specific to deliberations.