title: Storing datetime as UTC in PHP/MySQL
body: <p>Everywhere I read about converting time to a user's timezone says that the best method is to store a date and time in UTC then just add the user's timezone offset to this time.</p>
  
  <p>How can I store a date in UTC time? I use the MySQL DATETIME field.  </p>
  
  <p>When adding a new record to MySQL in my PHP code I would use <code>now()</code> to insert into MySQL DATETIME.</p>
  
  <p>Would I need to use something different than <code>now()</code> to store UTC time?</p>