About the Date to ISO 8601
Date to ISO 8601 helps you work with dates and timestamps. A Unix timestamp counts the seconds since 1 January 1970 (UTC) and is used throughout programming, databases and APIs. This tool converts Date to ISO 8601 accurately and shows both UTC and local results.
How to use
- Enter your value (a timestamp or a date).
- The converted result appears instantly, in UTC and local time.
- Click Copy to use it.
Common uses
- Debugging timestamps in logs and APIs.
- Converting between date and time formats.
- Calculating ages and date differences.
- Working with database date fields.
Frequently asked questions
Is the timestamp in seconds or milliseconds?
Unix timestamps are in seconds; this tool also shows milliseconds where relevant.
Which time zone is used?
Results are shown in both UTC and your browser's local time zone.