Figure out to what extent you ought to spend on each segment.
For instance, If there are fifteen parts and you have three hours, you should separate 180 (an hour x 3) by fifteen. In this model, every part will take, overall, 12 minutes.
Whatever the measure of time you figure, this is certifiably not a firm time, it is only a device to assist you with monitoring your time and progress. You have to factor in times for breaks and furthermore comprehend that a few sections will take a longer measure of time and some will set aside a shorter measure of effort to finish.