TimestampDecode Guides & Examples
Practical, no-fluff documentation for TimestampDecode — written by people who hit the problems first.
About TimestampDecode
What timestampdecode's three tools assume about units and time zones, and the cases where its answer is ambiguous by construction.
TimestampDecode Changelog
Dated changes to timestampdecode: the move to the shared site template and the new unit detector and ISO-8601 converter.
Epoch Units: Seconds, Milliseconds, Microseconds and the Off-by-1000 Bug
How to tell which unit a Unix timestamp is in from its size, which languages and databases produce which, and the year each mistake lands in.
ISO-8601 Time Zone Traps: No Offset, Date-Only and Impossible Dates
What a date-time with no offset means, why date-only strings behave differently, and why 2026-02-30 should be an error. The rules the ISO converter applies.
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