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Tools/Timestamp

ISO 8601

What this is

ISO 8601 is the unambiguous date-time interchange format: 2026-08-20T16:30:00Z. Z is UTC. +05:30 is India. JavaScript Date.parse accepts a subset (ES2015 requires a form close to simplified ISO). RFC 3339 is the internet profile of ISO 8601.

2026-08-20T16:30:00Z

2026-08-20T16:30:00.000Z

Open in converter

Zones: UTC · New York · Los Angeles · Chicago · London · Paris · Berlin · India (Kolkata) · Tokyo · Singapore · Dubai · Sydney

FAQ

2026-08-20 without a time?
Date-only forms are often parsed as UTC midnight in ES5 and as local midnight in some engines. Always add a time and offset for APIs.

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