C# / .NET - subtract minutes from DateTime

In C# / .NET it is possible to subtract minutes from DateTime object in following way.

1. DateTime.AddMinutes method example

DateTime time1 = new DateTime(2012, 1, 1, 12, 30, 0, 0);
DateTime time2 = time1.AddMinutes(-15);

Console.WriteLine($"Old time: {time1:s}");
Console.WriteLine($"New time: {time2:s}");

Output:

Old time: 2012-01-01T12:30:00
New time: 2012-01-01T12:15:00

2. DateTime.Subtract method example

DateTime time1 = new DateTime(2012, 1, 1, 12, 30, 0, 0);
DateTime time2 = time1.Subtract(TimeSpan.FromMinutes(15));

Console.WriteLine($"Old time: {time1:s}");
Console.WriteLine($"New time: {time2:s}");

Output:

Old time: 2012-01-01T12:30:00
New time: 2012-01-01T12:15:00

References

1. DateTime.AddMinutes Method - Microsoft docs
2. DateTime.Subtract Method - Microsoft docs