What are the possible date formats in Hayagiva YAML?

Questions
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1

Struggling to find details on the potential implementation of EDTF or the level of ISO 8601 that Hayagriva YAML offers directly, so hoping somebody has tested out the Date field in any of the variations I currently use in Zotero and can let me know if they work or not? (I’m assuming YAML is not via the interop date range conversion for .bib)

  1. Range: 2025-08-08/2025-08-09
  2. UTC Offset: 2025-08-08T13:01:01-11:00
  3. Both: 2025-08-08T00:01:01+01:00/2025-08-07T23:59:59-03:00

A calendar date as ISO 8601. This means that you specify the full date as YYYY-MM-DD with an optional sign in front to represent years earlier than 0000 in the Gregorian calendar.(hayagriva/docs/file-format.md at 98c3ba49b844921d9004b0a807d25b0114d7df2c · typst/hayagriva · GitHub)

After getting to a good point in Typst (and needing to test PDF-page insertion!), I’ve been stuck on forming a decision on use of dates/times from Zotero > BBT CSL-JSON Import .md > Typst… starting to think I should bring forward the change to Hayagriva YAML (I wish to avoid .bib)

2

Hi! Could you provide an example CSL-JSON exported from Zotero?

CSL 1.0.2 Specification have descriptions on date range, and hayagriva::types - rust docs includes Date and DurationRange.
However, I’m not quite sure if this is what you want because I can’t test it without an example.