# Dates

### Dates in Pipeliner

All dates are stored in the **UTC** timezone. Data are formatted by standard `ISO 8601`

Example of Date value: `2019-02-01 07:41:49.529970+00:00`

{% hint style="info" %}
If you include Timezone in the request header, Pipeliner will automatically convert dates to the specified timezone. For Timezones Pipeliner uses a uniform [**naming convention**](https://en.wikipedia.org/wiki/Tz_database). 

Header Example: **Timezone: America/Chicago** 
{% endhint %}

### Dates sent to Pipeliner

Dates sent to Pipeliner should be converted into the UTC timezone.