This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
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Simon Willison
simonwillison.net
did:plc:kft6lu4trxowqmter2b6vg6z
Here's Claude Sonnet 4 not falling for the Cape Breton timezone thing, for example https://claude.ai/share/83e479fd-7085-406a-bb58-fb5fd6355abb
2025-06-11T13:27:38.548Z