The phrase "same timetable" means that two or more events, activities, or tasks are planned to happen at the same time or according to the same schedule. Full definition
Developing countries bitterly opposed to signing up to same timetable as long - industrialised countries (theguardian.com)
The same timetable and practice should apply were Cameron to seek to reach agreement with a Party other than the Liberal Democrats. (conservativehome.blogs.com)
They thought it might be something internal to the child that causes vocabulary and grammar to develop on the same timetable or that there might be dependencies in the process of language development itself. (sciencedaily.com)