A productivity method involving planning every minute of your workday in advance, assigning specific tasks to specific time blocks to achieve deep work and maximize focused productivity.
Time Blocking is a productivity technique where a period of time is divided into smaller segments or blocks for specific tasks, integrating the function of a calendar with that of a to-do list.
Cal Newport is a strong advocate of time blocking. He claims time blocking is the secret to his productivity, and in his experience, time blockers accomplish roughly twice as much work per week as compared to those who use more reactive methods.
Cal Newport spends 20 minutes each evening timeblocking his next day, which he attributes to allowing him to focus on "deep pursuits" and achieve more in a day.
Time blocking is central to Newport's "Deep Work" philosophy—the ability to focus without distraction on cognitively demanding tasks.
Key principle: "A 40-hour time-blocked work week, I estimate, produces the same amount of output as a 60+ hour work week pursued without structure."
While these terms are often used interchangeably, there is a subtle distinction:
Each evening:
Format options:
Key elements:
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Deep Work Blocks:
Shallow Work Blocks:
Reactive Blocks:
Newport emphasizes flexibility: "If you get knocked off schedule, you simply update it the next time you get a chance."
When to update:
No unplanned time. Even breaks and lunch are scheduled.
Plans will change. Update and continue.
Periods of open-ended reactivity can be blocked off like any other type of obligation.
Schedule deep work blocks first, then fit other tasks around them.
Treat time blocks like important appointments.
"Time blockers accomplish roughly twice as much work per week" compared to reactive methods.
Knowing exactly what to work on eliminates decision fatigue.
You choose your work deliberately rather than reacting to what's loudest.
Protecting blocks enables sustained focus on important work.
When the day's blocks are done, you're done. No endless reactive work.
Newport uses a simple text file for time blocking:
Advantages:
Example format:
8:00-9:00: Deep work - Write chapter 3
9:00-9:30: Shallow - Email
9:30-10:30: Deep work - Continue chapter 3
10:30-11:00: Reactive - Respond to urgent items
The method is flexible enough for various work styles:
As Newport notes: "You can dedicate some small blocks to deeper pursuits even if you're blocking most of your day for reactive work."
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