Tsukimi — Moon Viewing Food Culture
Japan-wide — Heian court tradition dating to 9th century
Tsukimi (moon viewing) is the mid-autumn harvest celebration held on the 15th day of the 8th lunar month, coinciding with the harvest full moon. The food culture of tsukimi centres on round, white foods representing the full moon — particularly tsukimi dango (round white rice dumplings stacked in pyramids), satoimo (taro root), chestnuts, and edamame offered to the moon on a bamboo grass decoration. In modern Japan, tsukimi has a second, commercial expression through seasonal food products — most famously tsukimi burger (McDonald's Japan seasonal offering with egg representing the moon), tsukimi soba and udon (topped with a raw or poached egg whose yolk represents the moon), and tsukimi sake. The aesthetic is central to Japanese food culture's integration of seasonal ritual with flavour — the visual act of eating round white foods under the autumn moon is as important as taste.