I booked a late-September trip to Seoul before I checked the calendar, and only later noticed the whole country takes four days off in the middle of it.
The advice I found split into two camps. One said avoid Korea during Chuseok entirely, the other said nothing changes any more.
Both are wrong in ways that matter if you are standing outside a closed bank at 10am.
Here is what actually shifts during Chuseok 2026, checked against the holiday regulation and the agencies that run the sites you would want to visit.
The dates, and why it is four days
Chuseok follows the lunar calendar — the 15th day of the eighth lunar month — so the solar date moves every year. Chuseok 2026 lands on Friday, 25 September.
The holiday is three days, not one: the day before, the day itself, and the day after.
That gives you Thursday 24 to Saturday 26 September as official public holidays, with Sunday the 27th following straight after.
So most of the country stops for four consecutive days, 24–27 September.
You will see English guides claim a fifth substitute day. There is none in 2026, and the reason is a detail people get backwards.
Korea's holiday rules grant a substitute weekday when Lunar New Year or Chuseok collides with another public holiday.
Sunday counts as one, because Sunday is itself listed as a public holiday. Saturday is not on that list.
There is a separate clause that does treat Saturday as a trigger, but it applies only to Children's Day in May. It does not apply to Chuseok. In 2026 the holiday ends on a Saturday and no substitute day is added.
What actually closes
The closures during Chuseok 2026 are narrower than the panic suggests, but they are the ones that strand people.
Banks, government offices and post offices shut for the full public-holiday stretch. If you need to exchange cash at a bank counter, change money before the 24th. Airport exchange booths and ATMs keep running.
Small independent restaurants and family-run shops are the real gap, especially outside the big city centres. Many close for two or three days so the owners can travel. Neighbourhoods that feel busy in normal weeks can go quiet.
Traditional markets thin out sharply on the day itself. The days *before* Chuseok are the opposite — markets are at their busiest all year as people buy holiday food.
What stays open, and the palaces are usually free
Convenience stores run as normal, and they are your reliable fallback for food, cash and SIM top-ups at any hour.
Large department stores, malls and cinemas stay open. Some department stores close on Chuseok day itself and post the date in advance, so check the branch page rather than assuming.
Now the part worth planning around. In recent years the four grand palaces, Jongmyo Shrine and the Joseon royal tombs have opened free of charge through the Chuseok holiday, with no weekly closing day during that stretch.
The 2024 notice is a good template for what to expect: free entry across all of them, Changdeokgung's Secret Garden excluded, and Jongmyo — normally guided-tour-only by reservation — switched to free walk-in viewing.
There is a trap in that arrangement. Because the sites skip their usual closing day during the holiday, they all close the day after it ends instead — in 2024 every palace and tomb shut on the Thursday right after the break.
Plan your palace day inside the holiday, not immediately after it.
The 2026 notice had not been published as of late August. These announcements usually appear a week or two before the holiday, so confirm on the Korea Heritage Service site before you build a day around it.
Getting around during Chuseok 2026
This is where Chuseok genuinely disrupts a trip.
Roughly half the population travels in the same three-day window, mostly between Seoul and the provinces. Expressway journeys that normally take three hours can run to seven or eight.
Intercity trains sell out through a dedicated advance-booking window that opens in early September, weeks ahead of the holiday, and the popular routes clear in minutes. If you are moving between cities on those dates, book the moment general sales open rather than waiting.
Booking through Korail requires an account, and the payment step is where overseas cards most often fail — worth testing before the sale rather than during it.
Inside Seoul the picture is the opposite: subways and buses run, roads are emptier than usual, and the city is calmer than any normal week. Some services extend their hours on the holiday night.
If you need a pharmacy or a doctor
Ordinary clinics and pharmacies close over Chuseok 2026, and this catches people out more than anything else on this list.
Hospital emergency rooms operate throughout, and the government designates holiday-duty clinics and pharmacies for each district. Coverage is thinner than usual and you may travel further than expected.
Carry any prescription medication you rely on across the whole four days. Buying it on the 25th is not something to count on.
Food delivery apps keep running but with fewer riders and longer waits, especially on Chuseok day itself.
Is it a bad time to visit?
For a Seoul-based trip, it is one of the better weeks of the year.
The city empties out, palaces are free, and the crowding you would normally fight at major sites moves onto the highways instead.
For a trip that hops between cities on the holiday dates, it is the hardest travel window in Korea apart from Lunar New Year.
The distinction is not "avoid Chuseok" or "ignore it" — it is whether you plan to move during those four days.
If you are staying put, Chuseok 2026 works in your favour.
Everything above reflects official notices as of August 2026. The palace schedule in particular is worth re-checking closer to the date.
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