ISO 8601 Converter

Parse and work with ISO 8601 dates. Essential for APIs, databases, and international date handling.

Current ISO 8601

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Parse ISO 8601

Result

Local Date
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UTC
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Unix Timestamp
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Milliseconds
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Conversion Guide

Conversion

F

Format

YYYY-MM-DDTHH:mm:ss.sssZ

Date, time separator (T), time, timezone (Z for UTC)

E

Example

2024-01-01T12:00:00Z

January 1, 2024 at 12:00:00 UTC

Step-by-Step Scenario

Example Scenario

ISO 8601

2024-01-01T12:00:00Z

1

Parse Components

  • Date: 2024-01-01
  • Time: 12:00:00
  • Timezone: Z (UTC)

Parse date, time, and timezone components

2

Convert

  • Convert to Date object
Local date, UTC date, Unix timestamp

Additional Examples

Current Time

ISO 8601: Current timestamp

Format

YYYY-MM-DDTHH:mm:ss.sssZ

Specific Date

ISO 8601: 2024-12-25T00:00:00Z

Date

December 25, 2024 UTC

Characteristics of ISO 8601

Unambiguous Format

ISO 8601 eliminates date format confusion (MM/DD vs DD/MM). Always uses YYYY-MM-DD format.

Sortable

ISO 8601 strings sort correctly alphabetically. Perfect for database sorting and API responses.

Real-Time Display

Shows current time in ISO 8601 format, updating every second. Copy to clipboard with one click.

Widely Supported

ISO 8601 is supported by all modern programming languages, databases, and APIs. Industry standard format.

Important Notes

  • ISO 8601 format: YYYY-MM-DDTHH:mm:ss.sssZ. The 'T' separates date and time, 'Z' indicates UTC timezone.
  • ISO 8601 is unambiguous: always uses YYYY-MM-DD format, eliminating MM/DD vs DD/MM confusion.
  • ISO 8601 strings sort correctly alphabetically. This makes them perfect for database sorting and API responses.
  • The 'Z' indicates UTC timezone. If omitted, the time is in local timezone. Z is equivalent to +00:00.
  • ISO 8601 is the industry standard for date/time representation. Supported by all modern systems and programming languages.

Frequently Asked Questions

Find answers to common questions about ISO 8601 date format.

ISO 8601 is an international standard for date/time formatting. Format: YYYY-MM-DDTHH:mm:ss.sssZ. The 'Z' indicates UTC timezone. Example: 2024-01-01T12:00:00Z.

ISO 8601 is unambiguous (no MM/DD vs DD/MM confusion), sorts correctly alphabetically, and is widely supported by APIs, databases, and programming languages.

The 'T' separates the date part from the time part. It's a literal 'T' character. Example: 2024-01-01T12:00:00Z means January 1, 2024 at 12:00:00 UTC.

The 'Z' indicates UTC (Coordinated Universal Time) timezone. It means 'Zulu time'. If omitted, the time is in local timezone. Z is equivalent to +00:00.

Yes, enter any valid ISO 8601 string and the calculator will parse it to show local date, UTC date, Unix timestamp, and milliseconds.

The calculator supports full ISO 8601 format: YYYY-MM-DDTHH:mm:ss.sssZ. It can also parse variations like YYYY-MM-DD and YYYY-MM-DDTHH:mm:ss.