datetime.mdoc

---
title: Datetime field
summary: The datetime field stores a Datetime string.
---
{% field-demo field="datetime" /%}

The `datetime` field stores an [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) formatted datetime string in UTC time (i.e. YYYY-MM-DDTHH:MM:SS.000Z), collected from an `<input type="datetime-local" />` form field. 

{% aside icon="☝️" %}
Datetimes are stored in UTC time, but displayed/edited in the user's local timezone.
{% /aside %}


## Usage example

```typescript
datetime: fields.datetime({ 
  label: 'Event date and time',
  description: 'The date and time of the event'
})
```

## Type signature

Find the latest version of this field's type signature at: [https://docsmill.dev/npm/@keystatic/core@latest#/.fields.datetime](https://docsmill.dev/npm/@keystatic/core@latest#/.fields.datetime)