References 390% CONFIDENCEOverall confidence: 90%How well the pin's source and references back up its dates.Weighted average of how firmly 3 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 at 75% confidence or better

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%
  Jin House — research source

  fourseasons.com· Posted Oct 11, 2026· Starts Jan 31, 2017 ✓· 33% of score

  Four Seasons^[2] Hotel Tianjin opened in January 2017 (Four Seasons 'Now Open' release dated 24-25 January 2017), and that release already describes JIN House on the 7th floor as an open venue. Exact day not stated; date is the hotel's opening. Estimated: 2017-01 is a best estimate and 2017-01-31 is used only as a period-end sorting date, not a confirmed opening day.

• [2]90%
  À la carte

  fourseasons.com· Added Oct 11, 2026· 33% of score

  Checked October 10, 2026. Branch provenance, published menu conditions and approximate map coordinates are retained.^[1]

• [3]90%
  Approximate map location

  impt.io· Added Oct 11, 2026· 33% of score

  Checked October 10, 2026. Branch provenance, published menu conditions and approximate map coordinates are retained.^[1]

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