title: How to set a time zone (or a Kind) of a DateTime value?
body: <p>I mean to store strict UTC time in a DateTime variable and output it in ISO 8601 format.</p>
  
  <p>To do the last I've used .ToString("yyyy-MM-ddTHH:mm:sszzz"), and it has uncovered that the time zone is UTC+01:00.</p>
  
  <p>I've tried to use .Kind = DateTimeKind.Utc, but it says the Kind property has no setter.</p>
  
  <p>How do I explicitly specify the time is in UTC? How is the Kind property set?</p>