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HTMLTimeElement.dateTime

The HTMLTimeElement.dateTime property is a DOMString that reflects the datetime HTML attribute, containing a machine-readable form of the element's date and time value.

The format of the string must follow one of the following HTML microsyntaxes:

Microsyntax Description Examples
Valid month string YYYY-MM 2011-11, 2013-05
Valid date string YYYY-MM-DD 1887-12-01
Valid yearless date string MM-DD 11-12
Valid time string HH:MM
HH:MM:SS
HH:MM:SS.mmm 		23:59
12:15:47
12:15:52.998
Valid local date and time string YYYY-MM-DD HH:MM
YYYY-MM-DD HH:MM:SS
YYYY-MM-DD HH:MM:SS.mmm
YYYY-MM-DDTHH:MM
YYYY-MM-DDTHH:MM:SS
YYYY-MM-DDTHH:MM:SS.mmm 		2013-12-25 11:12
1972-07-25 13:43:07
1941-03-15 07:06:23.678
2013-12-25T11:12
1972-07-25T13:43:07
1941-03-15T07:06:23.678
Valid time-zone offset string Z
+HHMM
+HH:MM
-HHMM
-HH:MM 		Z
+0200
+04:30
-0300
-08:00
Valid global date and time string Any combination of a valid local date and time string followed by a valid time-zone offset string 2013-12-25 11:12+0200
1972-07-25 13:43:07+04:30
1941-03-15 07:06:23.678Z
2013-12-25T11:12-08:00
Valid week string YYYY-WWW 2013-W46
Four or more ASCII digits YYYY 2013, 0001
Valid duration string PdDThHmMsS
PdDThHmMs.XS
PdDThHmMs.XXS
PdDThHmMs.XXXS
PThHmMsS
PThHmMs.XS
PThHmMs.XXS
PThHmMs.XXXS
ww dd hh mm ss 		P12DT7H12M13S
P12DT7H12M13.3S
P12DT7H12M13.45S
P12DT7H12M13.455S
PT7H12M13S
PT7H12M13.2S
PT7H12M13.56S
PT7H12M13.999S
7d 5h 24m 13s

Syntax

dateTimeString = timeElt.dateTime;
timeElt.dateTime = dateTimeString

Examples

// Assumes there is <time id="t"> element in the HTML

var t = document.getElementById("t");
t.dateTime = "6w 5h 34m 5s";

Specifications

Specification Status Comment
HTML Living Standard
The definition of 'HTMLTimeElement' in that specification.		 Living Standard No change from HTML 5.1.
HTML 5.1
The definition of 'HTMLTimeElement' in that specification.		 Recommendation No change from HTML5.
HTML5
The definition of 'HTMLTimeElement' in that specification.		 Recommendation Initial definition.

Browser compatibility

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support No support (Yes) 22.0 (22.0) No support 11.50
Removed in 15.0		 No support
Feature Android Edge Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support No support (Yes) 22.0 (22.0) No support ? No support

See also

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https://developer.mozilla.org/en-US/docs/Web/API/HTMLTimeElement/dateTime