ISO 8601 Date/Time Converter

Parse and generate dates in ISO 8601 format, the international standard for date and time representation.

Examples: 2024-01-15, 2024-01-15T14:30:00Z, 2024-01-15T14:30:00+05:30

Result

Year: 2026

Month: 5

Day: 28

Hour: 17

Minute: 6

Second: 32

Week: 22

Day of Year: 148

ISO 8601 Formats

Extended: 2026-05-28T17:06:32.540Z

Basic: 20260528T170632540Z

Date Only: 2026-05-28

Time Only: 17:06:32.540Z

Week Date: 2026-W22-4

Ordinal Date: 2026-148

About ISO 8601

ISO 8601 is an international standard for date and time representation. It provides unambiguous formats that are sorted chronologically when treated as strings. The format uses YYYY-MM-DDTHH:MM:SS.sssZ for complete date-time representation, with Z indicating UTC timezone.

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Editorial Note

MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

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Formula Source: Standard Mathematical References

by Various

🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.