Question

I would like to know if ParseExact is faster than Parse.

I think that it should be ParseExact since you already gave the format but I also think all the checking for the Culture info would slow it down. Does microsoft say in any document on performance difference between the two. The format to be used is a generic ‘yyyy/MM/dd’ format .

For example:

DateTime.Parse(DateText);
DateTime.ParseExact(DateText, "yyyy/MM/dd", CultureInfo.InvariantCulture);

Answer 1

You are asking for the difference in speed for two methods that are functionally different (close but still different).

Just pick the one that is most appropriate.

And no, performance of library methods is almost never documented.

But I can tell you something about that difference:

• it is small,
• it might change in future versions