A hundred years ago this month, Henry Ford made the five-day workweek permanent at his Detroit plant.

He didn't invent it. He didn't test it in a lab. He didn't run a pilot, commission a study, or benchmark it against competitors. He looked at his factory, looked at his market, and made a bet: that rested workers would build better cars and that workers with a free Saturday would buy them.

The bet worked. The schedule stuck. And for a century, almost nobody has seriously asked whether it still should.

Think about that for a moment. The structure that governs when 67% of American men and 57% of American women show up, log on, take meetings, eat lunch, and clock off — was set by one industrialist, in one industry, for one economic moment. It wasn't handed down by the Romans, it isn't in any holy book and nobody sat down to calculate the optimal ratio of work to rest for human flourishing. It was a competitive move by a car company in 1926.

And then we built our entire economy around it.

Schools. Childcare. Commuter rail. Retail hours. Pension contributions. Health insurance. Mortgage qualification. The phrase "working week." All of it scaffolded onto a number Henry Ford picked when the workforce was 20% female, an hour of labour produced a predictable output, and nobody could email you after dinner.

This is not a newsletter telling you to adopt a four-day week. Plenty of organizations shouldn't — at least not yet, and not as their first move. What this newsletter is asking you to do is something harder: question the default. Because as AI rewires what an hour of knowledge work actually produces, the conversation about working time is going to happen whether leaders are ready for it or not. The only question is whether you'll lead it or inherit it.

Here are six questions worth asking yourself with this month 🚀

6 readiness markers that predict AI success better than your usage

Mark hit a huge milestone. His company rolled out AI tools across every function in under six months. Licenses deployed. Pilot programmes launched. Training modules completed. Usage dashboards climbing week over week.

At the quarterly review, he stood in front of the board and said his people were enthusiastic and bought in. He believed it.

Then the staff survey came back, and he found out only 31% of his employees described themselves as engaged with the strategy. Fewer than that said they understood it. Most said they felt behind, anxious, and unsure what "good" looked like in their role anymore.

While the dashboard said healthy, the workforce said something very different.

AI has infinite patience and no original imagination. Which one are you becoming?

We know AI is handling the repetitive. Drafting, summarising, scheduling, formatting - tasks that once filled hours are now done in seconds.

The work that remains, the work that matters, requires something machines cannot replicate.

Instinct. Conviction. Taste.

The ability to see a problem differently and imagine a solution that doesn't yet exist.

Creative thinking is no longer a soft skill reserved for the marketing team. It is becoming the core competency of every role, at every level.

The missing outcome of efficiency

Across sectors, organizations are completing work faster. Tasks that once took hours now take minutes. Coordination, drafting, analysis, and reporting have all become more efficient.

Yet for most people, the working day has not shortened.

Instead, workloads have expanded, pace has intensified, and expectations have reset. Time saved has rarely translated into time returned.

At Work Time Revolution, we describe this gap as the missing time dividend - the surplus time created by efficiency that is absorbed back into work rather than redistributed in healthier ways.

Productivity has increased and time pressure has increased with it.

The issue is no longer whether efficiency gains exist, It’s how organizations choose to use them.

Practice makes progress

The most successful teams aren't the ones with the best strategies.

They're the ones who build better habits.

The organizations that are thriving are building a culture where better work habits become automatic through consistent repetition.

Slow is the new superhuman

While everyone else races to automate everything, they're deliberately slowing down. Not because they're resistant to change, but because they've discovered what we call the Slow Power Principle.

The time-money tradeoff pendulum? It has swung firmly away from consumption and consumerism as the driving forces in our lives.

If we design work right, AI doesn’t replace us. It frees us. But only if we act now.

The concept of the four-day workweek has been making waves globally, and for good reason. Statistics show a strong preference for work time reduction. A 2023 Dive Research survey revealed that 56% of employees would rather have a compressed 40-hour work week in four days. Our latest survey found that 3 in 5 employees would prefer a shorter workweek, even if it means working fully in the office.

Pay rises that keep pace with inflation and the cost of living are often a standard expectation.

The five-day, 40-hour workweek has been the standard for over a century. But today’s workforce has the motivation, tools, and momentum to change that for good.

Businesses are under pressure to boost productivity, retain top talent, and prevent burnout, all while staying competitive in an evolving market. Employees are overwhelmed with work, engagement is dropping, and the turnover rate is expensive. 

Something has to give.