date in utc code example
Example 1: Datetime to utc format
string foo = yourDateTime.ToUniversalTime()
.ToString("yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'fff'Z'");
Example 2: utc time
Coordinated Universal Time
string foo = yourDateTime.ToUniversalTime()
.ToString("yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'fff'Z'");
Coordinated Universal Time