A Checklist of steps to take when computing litigation deadlines in Georgia superior and state courts under Georgia's state laws, including O.C.G.A. §§ 1-3-1 and 9-11-6. These steps include identifying the triggering event, determining whether the deadline is forward-counting or backward-counting, counting the correct days in the time period, and adjusting the deadline if there is an automatic extension, including service-based extensions and extensions for weekends or legal holidays.