References 265% CONFIDENCEOverall confidence: 65%How well the pin's source and references back up its dates.Weighted average of how firmly 2 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins from 50% to 74% confidence

The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.

• [1]90%
  Hakodate Shunka — Sapporo source

  sapporo-list.info· Posted Oct 15, 2026· Starts Nov 30, 2026 ✓· 50% of score

  Landlord confirms a November opening but no exact day. Local reporting says November 20 and gives conflicting street numbers (1-24 vs 1-26); use the official month estimate and omit the street number pending verification.

• [2]90%
  Hakodate Shunka — Sapporo source

  branch-sc.com· Added Oct 15, 2026· 50% of score

  Landlord confirms a November opening but no exact day. Local reporting says November 20 and gives conflicting street numbers (1-24 vs 1-26); use the official month estimate and omit the street number pending verification.^[1]

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