---
title: dateTimeISO8601
framework: sirieventsuggestionsmarkup
role: symbol
role_heading: Type
path: sirieventsuggestionsmarkup/datetimeiso8601
---

# dateTimeISO8601

A time and date in the ISO-8601 format.

## Declaration

```data
date-time dateTimeISO8601
```

## Possible Values

/^\d{4}-\d{2}-\d{2}(?:T\d{2}:\d{2}:\d{2}(?:\.\d{1,6})?(?:Z|[-\+]\d{2}:?\d{2})?)?$//:

## Overview

Overview Event start and end times must use the ISO-8601 format. Provide the most relevant time zone in each dateTimeISO8601. For example, a flight reservation from Indiana to California should provide the departure time in the local time zone at the airport in Indiana and the arrival time in California’s time zone.

## See Also

### Basic Data Types

- [@context](sirieventsuggestionsmarkup/@context.md)
- [reservationId](sirieventsuggestionsmarkup/reservationid.md)
- [reservationStatus](sirieventsuggestionsmarkup/reservationstatus.md)
- [URL](sirieventsuggestionsmarkup/url.md)
- [telephone](sirieventsuggestionsmarkup/telephone.md)