お盆
おぼん
obon
= Obon; Japanese festival of the dead
お盆 (obon) carries two very different meanings in Japanese — it refers to the mid-August Buddhist festival honoring ancestral spirits, and in everyday speech it simply means a serving tray. Understanding which meaning is intended depends entirely on context, and both usages are deeply woven into Japanese daily life.
As a festival term, お盆 (obon) denotes the annual period — traditionally August 13 to 16 — when the spirits of deceased ancestors are believed to return to visit their families. Households light mukaebi (迎え火, welcoming fires) on the 13th to guide spirits home, and okuribi (送り火, sending-off fires) on the 16th to see them off. The word combines the honorific prefix お with 盆, which derives from the Sanskrit word ullambana (meaning hanging upside down, referring to the suffering of souls). In its second, mundane sense, 盆 or お盆 means a flat tray used for carrying dishes or cups — the same character, an entirely different register. In formal or ritual contexts, お盆 almost always refers to the festival; in a restaurant or kitchen setting, it almost always means a tray.
The most common learner mistake is assuming お盆 always means the festival. If a waiter says 「お盆に載せてください」 (please put it on the tray), they are talking about a serving tray, not a religious event. Conversely, when a Japanese colleague says 「お盆は実家に帰ります」 (I’m going back to my hometown for Obon), they mean the holiday, not a tray. Also note: the holiday period is colloquially called お盆休み (obon yasumi), and the mass travel it triggers — crowded shinkansen and highway gridlock — is a widely shared cultural experience that comes up often in conversation and media around mid-August.
The character 盆 consists of 分 (to divide, distribute) on top and 皿 (dish, plate) on the bottom. The original meaning was a wide, flat vessel used to hold offerings — both the tray meaning and the ritual offering meaning share this visual root. The Buddhist festival name was later borrowed phonetically from Sanskrit ullambana and written with this same character because of its association with offerings placed on flat trays at altars.
Everyday use
お盆には家族みんなで祖父母の墓参りに行きます。
Obon ni wa kazoku minna de sofubo no hakamairi ni ikimasu.
During Obon, our whole family goes to visit our grandparents’ graves.
Casual / Social Media
お盆休みの新幹線、もうチケット取れなかった😭 毎年のことなのに…
Obon yasumi no shinkansen, mō chiketto torenakatta 😭 Maitoshi no koto na noni…
Couldn’t get shinkansen tickets for Obon already 😭 Even though it’s the same every year…
Formal / Cultural context
弊社はお盆期間中（8月13日〜16日）、休業とさせていただきます。
Heisha wa obon kikan-chū (Hachigatsu jūsannichi kara jūrokunichi), kyūgyō to sasete itadakimasu.
Our company will be closed during the Obon period (August 13–16).
Obon is one of the few occasions each year when Japan’s urban workforce reverses direction en masse. Millions of people born in rural areas but living in cities take お盆休み to return to their hometowns — a phenomenon called 帰省 (kisei). The resulting travel surge, particularly on the shinkansen and expressways around August 13 and 16, is so predictable and so intense that traffic reports and ticket availability become national news topics every summer. For many Japanese families, Obon is functionally the most important reunion of the year, more reliably observed than New Year’s for some regions.
The most visually distinctive Obon tradition varies by region. In Kyoto, the massive bonfires of Gozan no Okuribi (五山送り火) on August 16 illuminate five mountainsides with kanji characters and symbols to guide ancestral spirits back to the other world. Along rivers and coastlines across Japan, families float small lantern boats called 灯籠流し (tōrō nagashi) on the water for the same purpose. Bon Odori (盆踊り) — communal folk dances held in neighborhoods and shrine grounds throughout August — began as a ritual to welcome spirits but has evolved into a summer social event that even non-Buddhist participants join freely.