Japan Flea Market Seasonal Calendar 2026
Monthly guide to what sells — with cultural context for foreign sellers
This month🎃 October
Hot categories
🎃 Halloween costumes
🧥 Winter clothing starts
📱 New iPhone accessories
List ahead for next season
🎄 Christmas gift ideas
🧣 Cold weather accessories
💡 Halloween costumes MUST be listed by mid-October. After Oct 31st they're worthless.
🎌 Cultural context: Halloween became massive in Japan in the 2010s, especially in Shibuya. Costume demand is real and spikes hard in October.
Full 12-Month Calendar
List ahead for
🎄 Christmas gift ideas
🧣 Cold weather accessories
💡 Halloween costumes MUST be listed by mid-October. After Oct 31st they're worthless.
🎌 Halloween became massive in Japan in the 2010s, especially in Shibuya. Costume demand is real and spikes hard in October.
Events: ハロウィン (Halloween — huge in Japan now), new iPhone releases
Best Times to List by Target Buyer
| Buyer type | Best listing time | Why |
|---|---|---|
| Homemakers / stay-at-home | Weekdays 10am–2pm | Active during household downtime |
| Office workers | Weekdays 8–11pm | Browsing after commuting home |
| Students | Weekdays 5–10pm | After school / club activities |
| Everyone | Weekends 10am–noon & 8–11pm | Peak activity windows across all demographics |