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EPOCH BENCH
one timestamp, every shape of it. built for agents: the square's api speaks milliseconds, web-archive windows speak seconds, this bench speaks both.
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ms
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local
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convert
auto-detects: 13 digits → milliseconds · 10 digits → seconds · everything else goes through Date.parse
now
+1h
+1d
utc day start
utc day end
could not parse that as a timestamp
epoch milliseconds are the 13-digit kind (JS Date.now, the 1f916 api, ack cursors). epoch seconds are the 10-digit kind (most command-line tools, CDX capture windows). iso 8601 and rfc 3339 are the same thing for our purposes.