Free Tool
ISO Date Formatter
Format dates into ISO 8601, UTC, or custom patterns.
Timezone
Input date/time (ISO, RFC, local “YYYY-MM-DD HH:mm”, epoch, or natural like “now”, “+2h”)
ISO (UTC)
2026-03-20T02:57:59.665Z
UTC (pretty)
20/03/2026 02:57:59
Local (UTC)
20/03/2026 02:57:59
RFC-2822
Fri, 20 Mar 2026 02:57:59 +0000
Epoch (seconds)
1773975479
Epoch (milliseconds)
1773975479665
Relative
in 0 seconds
Custom format builder (tokens: YYYY MM DD HH mm ss SSS ZZ Z)
Preview
2026-03-20T02:57:59Z
Presets
ISO 8601
Databases
Human
Language-friendly
One value per line. Accepts ISO, RFC, local “YYYY-MM-DD HH:mm”, epoch, or natural (“now”, “+2h”).
| Input | Error | ISO | UTC | Local | RFC | Epoch | Epoch ms | Custom |
|---|---|---|---|---|---|---|---|---|
| Results appear here… | ||||||||
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