RFC 3339
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<timefyi-glossary slug="rfc-3339"></timefyi-glossary>Definition
Ein Internetstandard zur Darstellung von Datum und Uhrzeit, basierend auf ISO 8601, aber strenger. Erfordert den 'T'-Trenner und den Zeitzonen-Versatz (z. B. '2026-02-25T10:30:00+09:00'). Weit verbreitet in REST-APIs.