How to time-block your day, and protect the blocks
Updated
Short answer: Before the day starts, give each part of it a job: meetings first, then a block for the work that matters most in your best hours, a block or two for replies, and some slack. Put the important blocks on your calendar as private Busy events, or as Focus time on Google Workspace, which can decline meetings and mute Chat. When the day goes off plan, re-plan what's left of it instead of dropping the plan.
A to-do list says what to do; a time-blocked day says when. The author Cal Newport, who has written about the method for over a decade, estimates that a 40-hour week planned this way gets as much done as 60-plus unstructured hours. The plan matters less than the habit of deciding, in advance, what each hour is for.
Plan the blocks in ten minutes
- Start from your calendar. Meetings are fixed; everything else fits around them.
- Give the one or two things that matter most a block in your best hours, usually an hour or ninety minutes.
- Add a block or two for replies, so email and Slack get a time instead of all of it.
- Leave some slack. A day planned to the minute breaks at the first long meeting.
- Do it the evening before or first thing, before the inbox decides for you.
9:00–10:30 Q4 roadmap draft 10:30–11:00 Replies 11:00–11:30 1:1 with Maya 11:30–12:30 Pilot plan for Halcyon 1:30–2:00 Replies 2:00–3:30 Meetings 3:30–4:15 Small promises, buffer 4:15–4:30 Wind-down
Put them on your calendar
A block that lives only in a notebook gets booked over. Put the important ones on your calendar, where people scheduling with you can see you're busy. Newport puts it plainly: “I protect this time like I would a doctor's appointment.”
Ways to protect a block in Google Calendar
| Who has it | What it does | |
|---|---|---|
| A private event | Every account | Others see a block marked Busy, without the details |
| Focus time | Google Workspace: Business Standard and up, Education, Nonprofits | Declines meetings (new and existing, by default) and turns on Do Not Disturb in Chat |
| Working hours | Work and school accounts | Tells people when you're unavailable as they schedule |
| Out of office | Work and school accounts | Declines meetings while you're away |
When the day goes off plan
It will. An urgent call, a meeting that runs long, a morning lost to one email. When it happens, take two minutes to re-block what's left of the day, moving what matters into the time that remains. A plan you revise at noon still beats no plan.
Block the small things too
Big work gets blocks; small promises don't, and that's where they slip. “Send Priya the checklist” takes fifteen minutes, and fifteen minutes on Wednesday at 3 gets it done. A short block for a small promise is the cheapest way to keep it.
Questions people ask
What is time blocking?
Planning your day by giving each part of it a job in advance, on your calendar, instead of working from a list and reacting to whatever comes in.
Does Google Calendar's Focus time work on personal accounts?
No. Google offers Focus time on work and school accounts on Workspace Business Standard and above, Education and Nonprofits. On a personal account, a private event shows you as busy without sharing its details.
How long should a time block be?
Long enough to finish something: an hour or ninety minutes for focused work, fifteen to thirty for replies and small tasks.
Sources
What this guide says about other products and research comes from these sources, checked on the date above.