How to Format Dates in C#?

Formatting Dates in C#

When formatting a date as "dd/mm/yyyy" or "mm/dd/yy" in C#, utilize the DateTime.ToString() method.

For instance, to format the current date as "dd/MM/yy":

DateTime.Now.ToString("dd/MM/yy");

To format a specific date with the format "mm/dd/yy":

DateTime dt = GetDate();
dt.ToString("mm/dd/yy");

For additional flexibility, use predefined date/time formats:

DateTime.Now.ToString("g");

This ensures the correct format, regardless of the locale settings.

To display a date in a specific locale, utilize the overloaded ToString() method that accepts an IFormatProvider:

DateTime dt = GetDate();
dt.ToString("g", new CultureInfo("en-US")); // "5/26/2009 10:39 PM"
dt.ToString("g", new CultureInfo("de-CH")); // "26.05.2009 22:39"

Alternatively, set the current thread's CultureInfo before formatting:

Thread.CurrentThread.CurrentCulture = new CultureInfo("en-US");
dt.ToString("g"); // "5/26/2009 10:39 PM"

Thread.CurrentThread.CurrentCulture = new CultureInfo("de-CH");
dt.ToString("g"); // "26.05.2009 22:39"

For further information, refer to the following MSDN pages:

• [DateTime.ToString() Method](https://docs.microsoft.com/en-us/dotnet/api/system.datetime.tostring)
• [Standard Date and Time Format Strings](https://docs.microsoft.com/en-us/dotnet/standard/base-types/standard-date-and-time-format-strings)
• [Custom Date and Time Format Strings](https://docs.microsoft.com/en-us/dotnet/standard/base-types/custom-date-and-time-format-strings)

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