<ul><li>It takes a lot of time and effort. Scheduling each minute of your day means... scheduling every minute of your day. It's a much more labor-intensive system than just writing out the 4 or 5 tasks you need to complete. </li><li>Few of us (if any) have the same schedule every day. Time blocking is much easier when you have a clear set of tasks. However, most of us need to constantly adapt to requests and demands. </li><li>We're bad at estimating how long tasks will take to do. We all have a tendency to be overoptimistic with how much we can get done in a day (psychologists call this the <a href="https://blog.rescuetime.com/planning-fallacy/">Planning Fallacy </a>). It can be disheartening (and <a href="https://blog.rescuetime.com/stress/">stressful </a>) when you feel like you're constantly behind your schedule. </li><li>Constant interruptions and "urgent" tasks can destroy your system. Relying on upfront planning means that when one thing goes wrong, the whole system breaks down. </li><li>Flexibility is key in most workplaces. You can't tell your boss that you won't be able to get that urgent fix out today because it's not on your calendar. A strict schedule like this doesn't always jive with the demands of your workplace. </li><li>You can lose sight of the bigger picture. Focusing just on each day can sometimes make it harder to think about making progress on your long-term goals. </li> </ul>

Cons Of The Time Blocking

You can probably count on your fingers the number of times you've completed 8 hours of work in an 8-hour workday. Whether it's endless meetings, constant emails, or coworkers popping in for a "quick chat," your productivity rarely makes it through the day.

Time blocking 101: A step-by-step guide to mastering your daily schedule

Michelle Boyd