Japan's National Holidays Explained

A clear guide to Japan's 16 national holidays, the Happy Monday system, substitute days and Golden Week, with tips for planning travel around the calendar.

Published October 17, 2026 at 10:49 PM JST | By Tokyo Paul

Quick answer: Japan has 16 national holidays set by the Act on National Holidays of 1948. Several are moved to Mondays under the Happy Monday system, and extra days off arise from substitute holidays and citizens' holidays.

Few things shape a trip to Japan as much as the calendar. On a national holiday, trains fill, famous gardens become busy, hotel prices rise, and entire neighborhoods put out lanterns, flags or seasonal sweets. Knowing which days are holidays, and why, helps you choose better travel dates and understand what locals are celebrating. This guide walks through the full list of Japan's 16 national holidays, explains how the rules for long weekends work, and offers practical advice for planning a visit.

The Law Behind the Calendar

Japan's national holidays are set by the Act on National Holidays, which dates from 1948. The law describes them as days the nation celebrates, gives thanks for or remembers together. The count today is 16, and they are officially called shukujitsu. Several of them are fixed to a calendar date, while others move so that they land on a Monday.

That Monday shuffle is called the Happy Monday system. Beginning in 2000, certain holidays were attached to a specific Monday of the month so that workers and families could enjoy three-day weekends. This is why Coming of Age Day, Marine Day, Respect for the Aged Day and Sports Day change their dates from year to year. The equinox holidays also shift a little, since they follow the astronomical calendar, and the government announces the exact dates ahead of time.

The Full List Through the Year

The year begins with New Year's Day on January 1, followed by Coming of Age Day on the second Monday of January, which honors young people reaching adulthood. National Foundation Day falls on February 11, and the Emperor's Birthday is February 23. Vernal Equinox Day arrives around March 20 or 21, a time for appreciating nature and living things. Then come the four days of Golden Week at the end of April and start of May: Showa Day on April 29, Constitution Memorial Day on May 3, Greenery Day on May 4 and Children's Day on May 5.

Summer brings Marine Day on the third Monday of July, which gives thanks for the ocean, and Mountain Day on August 11, an invitation to enjoy the mountains. Respect for the Aged Day on the third Monday of September honors elders, and Autumnal Equinox Day around September 22 or 23 is a day for remembering ancestors. Sports Day falls on the second Monday of October, Culture Day on November 3 celebrates freedom, peace and the arts, and Labor Thanksgiving Day on November 23 honors work and production.

Substitute Holidays and Citizens' Holidays

Two special rules add extra days off. The first is the substitute holiday, called furikae kyujitsu. If a national holiday falls on a Sunday, the next working day becomes a holiday instead, so nobody loses a day of rest. The second is the citizens' holiday, or kokumin no kyujitsu. If an ordinary weekday sits between two national holidays, it also becomes a holiday, creating a longer break.

These rules explain why some years have unexpected long weekends. May 4 was a citizens' holiday from 1985 until 2006, and later became Greenery Day. The same rule can create the September stretch known as Silver Week in certain years. Because these extra days depend on how the calendar falls, it is wise to check a Japanese calendar when planning, rather than assuming the same days off every year.

Golden Week and Other Busy Periods

Golden Week, which runs from April 29 to May 5, is the most famous cluster of holidays. The name is said to come from a film that drew record crowds in 1951, when an executive at a film company borrowed the radio term "golden time" for peak hours. Today it is one of the biggest travel periods of the year, with crowded trains and busy attractions.

Other busy windows include the New Year period, since many companies close from around December 29 to January 3 by custom rather than law, and the summer Obon season in mid August, which is not an official holiday but is observed by many workplaces. Visitors who prefer quieter sightseeing often schedule trips in the gaps between these peaks. On the other hand, holiday periods offer festivals, seasonal events and special openings, so some travelers choose them on purpose.

Planning Your Trip Around Holidays

For smooth travel, reserve shinkansen seats and accommodation well ahead if your dates touch a holiday period. Popular sights, such as temples and gardens, are busiest in the morning and early afternoon, so go early or late. Many museums close on Mondays, and when a Monday is a national holiday, they often open that day and close on the next weekday instead, so it helps to check the facility's own calendar.

Government offices and many banks close on national holidays, while shops, restaurants and tourist attractions are usually open and often busier than normal. Highways can be congested, so rail is usually the more relaxing choice. As of autumn 2026, the list of holidays remains the 16 described here, but it is always sensible to check an official calendar before you finalize plans.

It is also fun to match your trip to a holiday that suits your interests. Coming of Age Day brings young people in elegant kimono to ceremonies in towns across the country, which makes for lovely scenes in January. Children's Day on May 5 is celebrated with carp streamers flying from poles and roofs, and Culture Day in early November often means free or special events at museums and cultural sites. Labor Thanksgiving Day in late November is a calm holiday that coincides with the end of the autumn leaf season in many areas.

Understanding the holiday calendar also helps you read local rhythms, such as why a city feels strangely empty or unusually lively on a particular weekday. Whenever you see flags, special sweets in shop windows or families heading to shrines, it is worth asking which holiday is being observed. The answer often leads to a small story about Japan's seasons, values and shared memory, and turns an ordinary travel day into a window on daily life.

Quick Takeaways

Japan has 16 national holidays set by a law from 1948, with several moved to Mondays under the Happy Monday system. Extra days off are created by substitute holidays and citizens' holidays, which is why long weekends vary. Golden Week, the New Year break and Obon are the busiest travel windows.

Plan ahead, book early and consider visiting just outside the peak periods for calmer streets. With a little calendar knowledge, you can turn Japan's holidays from a scheduling puzzle into a way to enjoy local culture more deeply.

Frequently Asked Questions

How many national holidays does Japan have?

Japan has 16 national holidays, ranging from New Year's Day on January 1 to Labor Thanksgiving Day on November 23. Some have fixed dates, some fall on a particular Monday, and the two equinox holidays shift slightly each year.

What is a substitute holiday in Japan?

If a national holiday falls on a Sunday, the next working day becomes a holiday. A related rule, the citizens' holiday, turns an ordinary weekday between two national holidays into a day off as well.

What is the Happy Monday system?

Since 2000, certain holidays have been attached to a specific Monday so that people enjoy three-day weekends. It applies to Coming of Age Day, Marine Day, Respect for the Aged Day and Sports Day, so their dates change each year.

Keep Exploring

More guides from Tokyo Paul: Silver Week: Japan's Autumn Holiday Rush, Sapporo Autumn Fest: Hokkaido's Food Festival in the Park and Otaru Snow Light Path: Candlelit Winter Canals.