# Timestamps

```{eval-rst}
.. automodule:: nominal.ts
   :no-members:
   :no-inherited-members:
   :no-undoc-members:
   :no-index:
```

## Timestamp values

{py:data}`~nominal.ts.IntegralNanosecondsUTC` is an integer number of nanoseconds since
the Unix epoch in UTC. {py:data}`~nominal.ts.IntegralNanosecondsDuration` is a duration
measured in nanoseconds.

## API Reference

```{eval-rst}
.. include:: ../_summaries/nominal.ts.rst
```