---
title: ISO8601DateTime - Storefront API
description: An ISO 8601-encoded datetime
api_version: 2026-10
source_url:
  html: 'https://shopify.dev/docs/api/storefront/latest/scalars/ISO8601DateTime'
  md: 'https://shopify.dev/docs/api/storefront/latest/scalars/ISO8601DateTime.md'
api_name: storefront
api_type: graphql
type: scalar
---

# ISO8601Date​Time

scalar

An ISO 8601-encoded datetime

## Map

### Fields with this scalar

* [Shop​Pay​Payment​Request​Delivery​Method.maxDeliveryDate](https://shopify.dev/docs/api/storefront/latest/objects/ShopPayPaymentRequestDeliveryMethod#field-ShopPayPaymentRequestDeliveryMethod.fields.maxDeliveryDate)
* [Shop​Pay​Payment​Request​Delivery​Method.minDeliveryDate](https://shopify.dev/docs/api/storefront/latest/objects/ShopPayPaymentRequestDeliveryMethod#field-ShopPayPaymentRequestDeliveryMethod.fields.minDeliveryDate)

### Inputs with this scalar

* [Shop​Pay​Payment​Request​Delivery​Method​Input.maxDeliveryDate](https://shopify.dev/docs/api/storefront/latest/input-objects/ShopPayPaymentRequestDeliveryMethodInput#fields-maxDeliveryDate)
* [Shop​Pay​Payment​Request​Delivery​Method​Input.minDeliveryDate](https://shopify.dev/docs/api/storefront/latest/input-objects/ShopPayPaymentRequestDeliveryMethodInput#fields-minDeliveryDate)