Input Datetime min Property

Input Datetime Object Reference Input Datetime Object


Get the minimum date and time allowed for a datetime field:

var x = document.getElementById("myDatetime").min;

The result of x will be:

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Definition and Usage

The min property sets or returns the value of the min attribute of a datetime field.

The min attribute specifies the minimum value (date and time) for a datetime field.

Tip: Use the min attribute together with the max attribute to create a range of legal values.

Tip: To set or return the value of the max attribute, use the max property.

Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The min property is supported in all major browsers.

Note: The min property is not supported in Internet Explorer 9 and earlier versions.

Note: The <input type="datetime"> element is not supported in Internet Explorer, Firefox, Opera version 15 (and newer) or Chrome.


Return the min property:


Set the min property:


Property Values

Value Description
YYYY-MM-DDThh:mm:ssTZD Specifies the minimum date and/or time allowed for the datetime field.

Explanation of components:
  • YYYY - year (e.g. 2011)
  • MM - month (e.g. 01 for January)
  • DD - day of the month (e.g. 08)
  • T - a required separator if time is also specified
  • hh - hour (e.g. 22 for 10.00pm)
  • mm - minutes (e.g. 55)
  • ss - seconds (e.g. 03)
  • TZD - Time Zone Designator (Z denotes Zulu, also known as Greenwich Mean Time)

Technical Details

Return Value: A String, representing the minimum date and time allowed

More Examples


Change the minimum date and time:

document.getElementById("myDatetime").min = "2010-01-01T21:57Z";
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Related Pages

HTML reference: HTML <input> min attribute

Input Datetime Object Reference Input Datetime Object