C# Offset UTC by Int Console App

offset-utc.cs

//Current UTC time
DateTime timeUtc = DateTime.UtcNow;
Console.WriteLine("UTC is {0}", timeUtc);

// UTC offset as a +/- integer
Console.WriteLine("Enter an +/- integr to offset UTC:");
int offset = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Int offset is {0}", offset);

// Format UTC offset as hh:mm:ss
string offsetTime = offset.ToString("00") + ":00:00";
Console.WriteLine("Int to dateTime {0}", offsetTime);

// Parse hh:mm:ss offset string as time
TimeSpan utcOffset = TimeSpan.Parse(offsetTime);

// Calculate time as offset UTC
DateTime newDateTime = timeUtc + utcOffset;
Console.WriteLine("UTC offset by {0} is {1}", utcOffset, newDateTime);