How to Format Dates in ISO 8601 Format
Step-by-step guide to converting dates to and from the ISO 8601 standard using the DevHexLab ISO Date Formatter.
Tool Used
ISO Date Formatter
1
Open the ISO Date Formatter
Navigate to /tools/time/iso-date-formatter.
2
Enter a date
Type a date in any common format (for example, June 1 2025, 01/06/2025, or a Unix timestamp). The tool parses it automatically.
3
See the ISO 8601 output
The tool produces the correct ISO 8601 representation such as 2025-06-01T00:00:00.000Z. You can choose whether to include time and timezone offset.
4
Copy and use
Click Copy to grab the formatted date string and paste it into your API request, database field, or code.
All done!
You are ready to use ISO Date Formatter like a pro.