Seconds or milliseconds
Unix timestamps usually count seconds from 1 January 1970, while JavaScript dates use milliseconds. The converter recognizes both common numeric forms.
Unix Timestamp Converter
Convert Unix seconds, Unix milliseconds, ISO 8601 strings, and readable dates into equivalent timestamp values.
Timestamp converter
| Unix seconds | 1767225600 |
| Unix milliseconds | 1767225600000 |
| ISO 8601 | 2026-01-01T00:00:00.000Z |
| UTC | Thu, 01 Jan 2026 00:00:00 GMT |
Numeric values below 100 billion are treated as seconds; larger values are treated as milliseconds.
One instant, several formats
ISO and UTC output make timestamps easier to inspect in logs, database records, API payloads, and scheduled jobs.