dhruwal

This plugin is useful when you want to know what date time & timezone is it on server where wordpress is hosted if you are in other timezone. 
Output looks like:
Server Date/Time: Sat 06th Dec,2008 11:17 am 
Server Timezone: America/Phoenix, (MST -07:00)
Version Change log:
v0.5 
Supports upto WordPress 3.7.1
v0.4 
Supports upto WordPress 3.6
v0.3 
Minimize css code 
Supports upto WordPress 3.5.1
v0.2 
Added description before date time 
Added timezone information 
Changed text color from red to green
v0.1 
Initial release

WP Server Date Time

This plugin shows the server local current date time & timezone in the upper right of your admin screen on every page.

shravanchoudhary

sagar5618

Softech wp clock display a Time zone clock on your page/post by inserting a shortcode. just create a time zone by clicking on Addn New and select your city’s timezone. you can set Font Colors, Font sizes, Padding and Text Align for your Time Zone.
<ul>
<li>Fully settings page configurable Manually</li>
<li>Easy to integrate (paste shortcode on any post/page)</li>
<li>Easy addition of multiple clocks on page/post</li>
<li>Choice of Font Size, Colors of text, Padding and Alignment of Text</li>
</ul>

Softech Wp Clock

Softech wp clock display a Time zone clock on your page/post set to your city's timezone. Choice of clocks, colors and sizes.

WP Server Date Time vs Softech Wp Clock