Date Format Converter

Compare all common date formats side by side. See how today's date looks in US, UK, European, ISO, and many other standards.

All Date Formats

Format Explanations

ISO 8601

The international standard for date and time representation.

ISO 8601 Example 2026-03-09

RFC 2822

Email and HTTP header date format standard.

Example Mon, 09 Mar 2026 00:00:00 +000...

Unix Timestamp

Unix time (or Epoch) is the number of seconds since January 1, 1970 UTC.

Example 1773014400

US Format (MM/DD/YYYY)

Used primarily in the United States: month, day, year.

Example 03/09/2026

UK Format (DD/MM/YYYY)

Used in the United Kingdom: day, month, year.

Example 09/03/2026

Compact Format

Short, space-efficient format ideal for tables and filenames.

Example 20260309

Individual Formats

Date Format by Country

See how today's date is written in different countries around the world.

View All Countries →

FAQ

What are the most common date formats?
The most widely used formats are MM/DD/YYYY (USA), DD/MM/YYYY (most of Europe), and YYYY-MM-DD (ISO 8601 international standard). Each format represents the same date differently, so 03/08/2026 (USA) is the same as 08/03/2026 (Europe) and 2026-03-08 (ISO).
Why do different countries use different date formats?
Date formats developed historically based on local conventions and calendar traditions. The USA uses month-day-year order, while most other countries use day-month-year. The ISO 8601 standard (year-month-day) is used internationally for technical and business applications to avoid confusion.
What is the ISO 8601 date format?
ISO 8601 is the international standard for date representation, formatted as YYYY-MM-DD. This format is unambiguous, sortable, and widely used in computing, databases, and international business. For example, 2026-03-08 clearly represents March 8, 2026.
How do I convert between date formats?
Our website can automatically display dates in your preferred format. You can select from available options in the settings. When converting manually, remember that MM/DD/YYYY can be converted to DD/MM/YYYY by swapping the first two numbers, but YYYY-MM-DD maintains the same number positions.
Which date format should I use for international communication?
For international communication, use the ISO 8601 format (YYYY-MM-DD) as it's the globally recognized standard and eliminates ambiguity. This is especially important in business, scientific, and technical contexts where misinterpreting dates can have serious consequences.