Unix Timestamp

The number of seconds that have elapsed since January 1, 1970 (Unix epoch).

Example: 1640995200 = January 1, 2022 00:00:00 UTC

Unix Timestamp (Milliseconds)

The number of milliseconds that have elapsed since January 1, 1970.

Example: 1640995200000 = January 1, 2022 00:00:00 UTC

ISO 8601

International standard for representing dates and times in a human-readable format.

Example: 2022-01-01T00:00:00.000Z

Common Use Cases

• API development and testing
• Database timestamp conversion
• Log file analysis
• Event scheduling and tracking
• Data migration and synchronization