ISO 8601 Date Formatter
Enter a date/time string and see it formatted in multiple standards: ISO 8601 (with timezone), UTC, Unix timestamp (seconds and milliseconds), RFC 2822, and locale-specific formats. Supports parsing various input formats and shows all relevant date representations at once.
ISO 8601
2026-03-16T14:43:10.312Z
Date only
2026-03-16
Time only
14:43:10
UTC
Mon, 16 Mar 2026 14:43:10 GMT
Locale
3/16/2026, 10:43:10 PM
Unix (s)
1773672190
Unix (ms)
1773672190312
RFC 2822
Mon, 16 Mar 2026 14:43:10 +0000
Day of year
75
Week number
12