How to convert timestamps
- Choose Z time, Unix seconds, or Unix milliseconds as source.
- Enter value and choose distinct target format.
- Select Convert, then copy result.
Supported Z time range
Z time accepts strict UTC ISO 8601 from 1970 through 9999.
Timestamp format semantics
| Format | Output |
|---|---|
| Z time | YYYY-MM-DDTHH:mm:ss.sssZ |
| Unix seconds | Whole seconds since UTC epoch |
| Unix milliseconds | Whole milliseconds since UTC epoch |
Decimal timestamp input is accepted. Precision below one millisecond is truncated; Unix output is always an integer.