ISO 8601

ISO 8601 is an international standard for representing dates, times, and durations in a clear, unambiguous, and machine-readable format. It defines formats such as YYYY-MM-DD for dates and HH:MM:SS for times, ensuring consistency across systems and regions. This standard is widely used in computing, data exchange, and documentation to avoid confusion from different date notations.

Also known as: ISO8601, ISO 8601:2004, ISO date format, International date standard, YYYY-MM-DD

Why learn ISO 8601?

Developers should learn and use ISO 8601 to ensure interoperability in applications that handle dates and times, such as APIs, databases, and logging systems. It is essential for preventing errors in international contexts, where date formats vary (e.g., MM/DD/YYYY vs. DD/MM/YYYY), and for simplifying parsing and sorting operations in code.

Learning Resources

• docs: ISO 8601 Official Documentation
• docs: MDN Web Docs: Date and time formats used in HTML
• docs: W3C Date and Time Formats
• video: ISO 8601 Explained (YouTube Video)
• docs: ISO 8601 on Wikipedia