Linux is included in 11th std Computer Science syllabus in Tamil Nadu.
Linux Users should help the Teachers and Students to understand the
GNU/Linux and FOSS concepts.

One Day One Command
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locale — Get and show the locale-specific information.

Summary:

The locale program writes information about the current locale
environment, or all locales, to screen. Locale is a set of local
environment settings, which is used to describe the Language
Encoding Standard, Date/Time format, Number format, Telephone
Number format, Paper format, etc …

Examples:

$ locale — Show the current locale settings.

$ locale -a — List currently available locale settings.

$ locale -m — List currently available character encodings.

$ locale -c LC_TIME — Show values of the LC_TIME.

$ locale -k LC_TIME — Show the Name and Value of the LC_TIME.

Read: man locale