Convert timezone in php
<p>I have these timezones. I want to get the current datetime depends on the given timezone. The user will select either one timezone. so need to return current time.</p>

<p><strong>ASKT<br/>
CDT<br/>
EDT<br/>
HST<br/>
MDT<br/>
MST<br/>
PDT<br/></strong></p>

<p>How can i convert? Please help</p>
