Obon: The Custom That Still Decides When Japan Stops Doing Business

Obon isn't a national holiday. It's not on the official calendar at all. Yet for about a week in mid-August, trains fill up, offices empty out, and it becomes harder to reach people.

For overseas companies operating in Japan, this often comes as a surprise. Nothing on the calendar warned them. And yet suddenly, emails go unanswered and decisions wait until the following week.

A Rhythm That Started in the Edo Period

The custom traces back to Edo-period "yabuiri" — a practice where live-in workers were given leave twice a year to return to their hometowns. Obon is one of the two.

Over time, that rhythm became a nationwide pause built around visiting family and honoring ancestors. People travel back to where they grew up, visit family graves, and spend time with relatives they may only see a few times a year.

No Law, Same Effect

Because there's no law behind it, every company decides for itself whether to close. Some do a full week. Some stay open. Some keep a skeleton team.

But when your suppliers, your bank contact and your local partners are all observing it at the same time, the practical effect is the same either way — the whole country slows down together, law or no law.

What This Means for Running a Company in Japan

If your headquarters is overseas, it's easy to treat mid-August as a normal working period. In practice, it helps to plan around it the same way you would around an official holiday:

Check your partners' schedules early. Many Japanese companies announce their summer closure dates in advance. Knowing them lets you set realistic deadlines.

Move decisions and approvals forward. Anything that needs a sign-off from a Japanese counterpart is best settled before the break, not during it.

Watch the timing of invoices and payments. Even when banks themselves are open, the people who process invoices on the other side may be away. Sending invoices and confirming payment schedules before the break avoids surprises at month-end.

Let your own team rest, too. If your Japan staff want to take time off during Obon, it's worth building that into your plans rather than treating it as an exception.

Not Everything Is Written Down

It's a good reminder that not everything that shapes how business runs here is written into a statute. Some of it is just… agreed upon, quietly, for centuries.

Knowing these unwritten rhythms is part of running a company in Japan smoothly — and it's much easier when someone on your side is already keeping track of them.

Natsuki Suzuki is the founder of BANTO, which provides back-office support — accounting, HR and payroll, and administration — to overseas companies and their Japan entities. She spent 15 years in Europe and brings both sides of the cultural equation to every engagement.