You can follow agile methodologies while working on a fixed schedule, but if the timeframe isn’t flexible, then the scope needs to be. Fill up the backlog, prio

You can follow agile methodologies while working on a fixed schedule, but if the timeframe isn’t flexible, then the scope needs to be. Fill up the backlog, prioritize it by importance, and what’s done by the deadline is what’ll be delivered. If you get work done reliably and at a consistent pace while tracking velocity or throughput, you can use that data to get an idea of what you’ll manage to deliver.