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Vernal Equinox Day (Shunbun no Hi / 春分の日) is one of Japan's most culturally cherished national public holidays, celebrated annually in mid-March. Established formally in 1948 under the post-war Public Holiday Act, the legal charter of the holiday charges all citizens to "commune with nature, revere all living things, and welcome the restorative energy of spring" (自然をたたえ、生物をいつくしむ). Beyond its official statutory status as a paid day of national rest, Shunbun no Hi marks the sacred hinge of the Japanese solar calendar, bridging the quiet chill of winter with the vibrant renewal of cherry blossom season.
Unlike civil holidays anchored to predetermined numerical calendar dates, Vernal Equinox Day is governed strictly by solar celestial mechanics. It marks the precise astronomical instant when the center of the sun passes through the vernal equinox point (celestial longitude 0°), crossing the celestial equator from the southern to the northern hemisphere. On this singular astronomical day, daytime and nighttime across Japan become nearly identical in duration.
To maintain absolute civic precision, the National Astronomical Observatory of Japan (NAOJ / 国立天文台), headquartered in Mitaka, Tokyo, calculates the exact solar coordinates years in advance. The official date of Shunbun no Hi is formally confirmed and published by the Japanese Cabinet in the government gazette (Kanpō / 官報) on the first business day of February in the preceding year. While astronomical variation typically alternates the holiday between March 20 and March 21, the civic proclamation ensures seamless nationwide synchronization for transport networks, public schools, and metropolitan commerce.
At the spiritual heart of Shunbun no Hi is the ancient Mahayana Buddhist memorial observance of Haru no Higan (春のお彼岸). Spanning seven full days—commencing three days prior to the equinox and concluding three days after—Higan embodies the profound metaphorical journey across the turbulent waters of worldly desire and suffering (Shigan / 此岸, "this shore") to the serene realm of enlightenment and Nirvana (Higan / 彼岸, "the other shore"). Because the sun rises due east and sets due west on the equinox, Buddhist theology teaches that the western Pure Land of Amida Buddha draws closest to the earthly plane, creating an auspicious spiritual window for ancestor veneration.
Millions of families embark on Ohaka-mairi (お墓参り), journeying to ancestral hillside cemeteries across rural prefectures and historic urban temple grounds. Visitors meticulously wash ancestral stone markers with bamboo ladles of pure well water, trim encroaching moss and bamboo grass, light fragrant bundles of incense (senkō), and present fresh seasonal flower bouquets alongside handmade sweet rice offerings. The communal gathering reinforces deep intergenerational gratitude, filial piety, and peaceful mindfulness.
No celebration of Shunbun no Hi is complete without the savoring of Botamochi (ぼたもち), the quintessential traditional sweet of the spring equinox. Named after the lush spring peony flower (Botan / 牡丹) which begins to bud in late March, Botamochi is handcrafted by gently mashing steamed glutinous rice (mochigome) with non-glutinous table rice, forming oblong dumplings, and cloaking them in luxurious sweetened red bean paste (azuki anko). In classical Japanese folklore, the vibrant crimson hue of azuki red beans is revered as a powerful spiritual ward (yakuyoke) that expels misfortune and purifies the household.
Festive family tables are further enriched by seasonal spring gastronomy. Home kitchens and local ryokan prepare tempura platters of wild mountain vegetables (Sansai / 山菜)—including bitter butterbur buds (fukinoto), curled fiddlehead ferns (kogomi), and crisp young bamboo shoots (takenoko). These mineral-rich mountain greens are traditionally believed to awaken the digestive system after winter slumber. Families also celebrate with vibrant bowls of Chirashizushi topped with shredded omelet, steamed tiger prawns, and lotus root slices, alongside jade-green Kusamochi flavored with freshly picked wild Japanese mugwort (yomogi).
Before its modern secular codification in 1948, the vernal equinox was revered in imperial Japan as Shunki Kōreisai (春季皇霊祭), a major Shinto ritual established during the Meiji period in 1878. At dawn on the equinox, the Emperor of Japan, dressed in traditional ceremonial robes, presided over solemn ancestor rites in the Three Palace Sanctuaries (Kyūchū Sanden) within the Tokyo Imperial Palace. Inside the sacred Imperial Ancestors' Shrine (Kōrei-den), prayers were chanted to honor departed imperial ancestors and petition heaven for national tranquility and bountiful harvest yields.
Following the enactment of Japan's post-World War II Constitution, the Allied General Headquarters (GHQ) and the Japanese Diet revised the national calendar to separate state administration from state Shintoism. Under the 1948 National Holiday Law (Act No. 178 of 1948), the date was renamed Vernal Equinox Day (Shunbun no Hi). The legislation gracefully preserved the day's centuries-old cultural essence of nature appreciation and ancestor reverence while transforming it into an inclusive, modern holiday celebrated freely by citizens of all faiths.
Across the Japanese archipelago, Vernal Equinox Day heralds the eagerly awaited dawn of the national cherry blossom season. Historic regional temples—such as Kyoto's Chion-in and Kiyomizu-dera, Shitennō-ji in Osaka, and Sensō-ji in Tokyo's Asakusa district—ring ancient temple bells and hold monumental Higan-e prayer convocations attended by tens of thousands of worshippers.
Simultaneously, metropolitan botanical gardens and sprawling public parks like Shinjuku Gyoen, Yoyogi Park, and Ueno Onshi Park fill with families and travelers enjoying early flowering cherry blossom varieties such as Kanzakura and weeping shidarezakura. If Shunbun no Hi coincides with a Sunday, Japan's statutory substitute holiday mechanism (Furikae Kyūjitsu / 振替休日) grants a long three-day holiday weekend on the following Monday, encouraging domestic tourism, railway excursions on the Tokaido Shinkansen, and joyful family gatherings that welcome the warmth of spring.
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Vernal Equinox Day Japan is scheduled for March 21, 2027. The countdown timer at the top of the page updates the days remaining in real time.
Established in 1948 under Japan's Public Holiday Act (国民の祝日に関する法律), Vernal Equinox Day (春分の日, Shunbun no Hi) is a statutory national holiday dedicated to 'communing with nature and cherishing living things' (自然をたたえ、生物をいつくしむ). It is a paid day of rest for workers, schools, and government offices nationwide.
Unlike fixed civil holidays, Shunbun no Hi occurs at the exact astronomical moment when the sun crosses the celestial equator moving from south to north, creating roughly equal periods of day and night. The National Astronomical Observatory of Japan (NAOJ / 国立天文台) in Mitaka, Tokyo, calculates this astronomical alignment and officially gazettes the date in the government Kanpō (Official Gazette) on the first weekday of February of the preceding year.
Haru no Higan is a sacred seven-day Mahayana Buddhist memorial period spanning three days before and three days after Shunbun no Hi. The term 'Higan' (彼岸) refers to the 'other shore' of enlightenment (Nirvana) across the river of worldly suffering. Buddhist temples hold special Higan-e services, and families perform ancestral memorials to help departed souls attain peaceful passage.
During Higan week, millions of Japanese families travel to ancestral cemeteries. Families practice Ohaka-mairi by scrubbing gravestones with ladles of fresh spring water, sweeping the family plot, offering fresh seasonal flowers (chrysanthemums and lilies), lighting incense sticks (senkō), and offering Botamochi while reciting Buddhist sutras in quiet reflection.
Botamochi is the quintessential festive confection of Shunbun no Hi. Made of steamed glutinous rice wrapped in sweet red bean paste (azuki anko), it is named after the blooming spring peony (Botan / 牡丹). In Japanese folk belief, the natural red hue of azuki beans holds talismanic power (yakuyoke) to expel negative spirits, protect the household, and honor ancestral spirits.
While Botamochi and Ohagi are fundamentally similar sweet rice cakes coated with azuki anko, Japanese culinary tradition names the spring version 'Botamochi' after the spring peony (Botan) using smooth red bean paste (koshian), whereas the autumn equinox version is named 'Ohagi' after the autumn bush clover (Hagi) using coarse red bean paste (tsubuan) with visible bean skins.
Before the postwar 1948 holiday legislation, the day was an imperial Shinto celebration called Shunki Kōreisai (春季皇霊祭). On this morning, the Emperor of Japan conducted solemn ancestral veneration rites in the Three Palace Sanctuaries (Kōrei-den) of the Tokyo Imperial Palace, offering prayers to past imperial ancestors and deities of heaven and earth.
Beyond Botamochi, families prepare spring feasts featuring freshly harvested wild mountain vegetables (Sansai / 山菜), including butterbur sprouts (fukinoto), bracken (kogomi), and bamboo shoots (takenoko) fried as light tempura. Colorful Chirashizushi (scattered sushi garnished with egg shreds, prawns, and lotus root) and fragrant green mugwort mochi (Kusamochi) celebrate nature's springtime rebirth.
Yes. Thousands visit prominent temples like Kyoto's Chion-in, Shitennō-ji in Osaka, and Sensō-ji in Asakusa, Tokyo for grand Higan ceremonies. Concurrently, public parks such as Shinjuku Gyoen and Ueno Park see crowds celebrating the opening blooms of early flowering cherry blossoms (sakura) alongside equinox family outings.
Yes. Under Article 3, Paragraph 2 of the Japanese Public Holiday Law, whenever a national holiday coincides with a Sunday, the immediate following Monday is observed as an official statutory substitute public holiday (振替休日, Furikae Kyūjitsu), ensuring workers receive a guaranteed three-day long weekend.