Before You Try a Four-Day Week, Compare Two Ordinary Weeks

“A four-day week” can describe several different schedules. Four ten-hour days contain the same paid hours as five eight-hour days. Four eight-hour days contain fewer. The effect on the rest of the week depends on which arrangement you mean.

A useful first comparison makes the hours explicit, then asks where they would go.

By IDEASpike, the developer of Final Curtain.

Name the Arrangement

Consider a fictional worker with a one-hour round-trip commute on every office day. Their three possible schedules look like this:

The compressed schedule leaves one additional hour outside work and commuting. The reduced-hours schedule leaves nine. These totals cover only the activities named in the table; preparation, caring duties and other commitments still need to be added.

Your assumptions can produce a different result. Someone working entirely from home may have no commuting difference. Someone with an irregular rota needs a representative cycle rather than a five-day template. Write down the arrangement that is actually being considered.

Check the Shape of the Hours

Weekly totals make capacity visible. They do not tell you whether a particular evening is usable.

In the compressed example, each workday contains ten paid hours and one commuting hour. A class at six, a school pickup or a long journey on Thursday may become harder to fit even when Friday becomes available.

Write down one ordinary weekday under each schedule. Include the activities that must happen at a particular time. Then write down the day that changes most. This second view exposes trade-offs a single weekly total cannot show.

For an arrangement you have not tried, record uncertain inputs as assumptions. Examples include whether the workload falls with the hours, whether overtime continues, and whether the commute really occurs one fewer day. Revise the comparison when those facts become clearer.

Allocate the Difference Deliberately

Using the reduced-hours illustration, nine hours per working week change category. Across 48 working weeks, the arithmetic is 9 × 48 = 432 hours. Eight hours come from paid work and one from the commute in each of those weeks.

That annual total is a way to understand scale. It is not a claim that every person on a four-day schedule gains 432 usable hours. Holidays, work patterns and other responsibilities vary.

For the weekly plan, choose where the nine hours would go. Here is one fictional allocation:

Leaving part of the difference unallocated is a valid choice. A plan that fills every available minute can be difficult to use when ordinary life changes.

Build a Fair Comparison

Start with the current week and enter the complete picture: sleep, work, commuting, food, household tasks, care, interests and variable time. The total needs to fit within 168 hours.

Make a copy for the alternative. Initially, change only paid work and commuting. Preserve other entries so you can see the consequence of those changes clearly. Then make deliberate edits for responsibilities that really would move under the new arrangement.

Keep a short note of the assumptions beside each version. “32 paid hours; four office days; one-hour round trip” is more useful than “better balance.” It tells you what to check if the comparison feels unrealistic.

Employment terms, income and affordability need a separate review. A time budget supplies the time side of that decision.

Keep the Question Practical

Before choosing a schedule, ask:

• Which hours actually disappear from work and commuting?
• Which days become longer or shorter?
• Which important activities become easier to place?
• Which commitments are uncertain and need a real conversation?

The weekly worksheet can hold both versions. If a trial arrangement is possible, update the entered assumptions afterwards with what you learn. The calculation becomes more useful as the inputs improve.

Compare Saved Scenarios in Final Curtain

Final Curtain provides free time allocation and profile editing on iPhone, with estimates across a life horizon you choose. You can save a current profile and an independently edited alternative. Its optional one-time Pro purchase shows those saved profiles side by side and also unlocks custom activity creation and a Home Screen countdown widget.

The app stores your profiles on your device. It uses your entered assumptions; it does not track your behavior or determine whether a work arrangement is financially suitable.

Plan your week with Final Curtain. Requires iOS 17 or later.