All DUI offenses, be it a first-time misdemeanor or a repeated DUI felony crime, are punishable with jail time. A first DUI conviction can result in a penalty of up to six months in jail while a third DUI felony conviction carries mandatory jail time of up to 120 days minimuin. However, it is possible to stay out of jail even after a conviction. A good DUI attorney in Los Angeles can help you bargain a deal with the prosecutor. This is why you should hire a veteran DUI attorney like C .Robert Brooks as soon as you can.