System.Globalization

This namespace contains classes that allow you to access culture/region information.
For example language, country, calendar, date formats etc.
These classes are useful when you are writing international applications.

Classes

CultureInfo	Provides information about a specific culture including the type of calendar used, the formatting used for dates and numbers.
DateTimeFormatInfo	Defines how DateTime values are formatted and displayed depending on the culture
NumberFormatInfo	Defines how Numeric values are formatted and displayed depending on the culture.
RegionInfo	Contains information about country and region.