NIST Time Widget             to link to a widget-only page, go to:   http://time.gov/widget.html

This widget is a public service provided by the Time and Frequency Division of the National Institute of Standards and Technology (NIST).  It is a web clock showing the official time of day from NIST, displayed as a 12 or 24-hour clock, in a user-selectable time zone.

The default time zone comes from the time zone setting on the client's computer, and it re-synchronizes with NIST every 10 minutes.
The time reference for the widget is the output of the national time scale called UTC(NIST), however, this widget is intended as a time-of-day service only.  It should not be used to make measurements, nor should it be used to establish traceability to NIST.

The widget utilizes the client's computer clock as a timer to measure the round-trip network delay, which is the interval of time starting when the widget sends a request to the time server and ending when the time is displayed in your browser. The accuracy of the time shown will always be better than this round-trip delay.

The widget can be added to your own web pages and blogs by inserting this code:

<object codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0"
    style="WIDTH: 177px; HEIGHT: 125px;" type="application/x-shockwave-flash" data="http://time.gov/widget/NISTtimewidget.swf">
    <param name="movie" value="http://time.gov/widget/NISTtimewidget.swf">
    <embed src="http://time.gov/widget/NISTtimewidget.swf" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer">
    </embed>
</object>

If your page has a solid color background, add the background color after the .swf using a tag like this:   ?setcolor=[color code]
(It should be included all three times the .swf is referenced, in order to ensure compatability with multiple browsers.)

Here's an example for a page with a light blue (color code= #00FFFF) background:
<object codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0"
    style="WIDTH: 177px; HEIGHT: 125px;" type="application/x-shockwave-flash" data="http://time.gov/widget/NISTtimewidget.swf?setcolor=#00FFFF">
    <param name="movie" value="http://time.gov/widget/NISTtimewidget.swf?setcolor=#00FFFF">
    <embed src="http://time.gov/widget/NISTtimewidget.swf?setcolor=#00FFFF" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer">
    </embed>
</object>

The time widget requires Adobe Flash Player.   We do not have a widget/gadget application for your desktop at this time.

Please send us a link to your page using the NIST time widget. We will inform you of any changes or additional widgets.
Send any comments or questions to: timeinfo@boulder.nist.gov

Please refer to our Time and Frequency Division FAQ with questions about time zones, daylight saving time, atomic clocks and more!

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