Magento Community Edition, 1.9.x

Locale Options

The locale determines the language, country, tax rate, and other settings used throughout a store. The Locale Options configure the time zone and language of each store, and identify the days of your work week in the area.

To set the store locale:

1. On the Admin menu, select System > Configuration.
2. On the General page, click to expand the Locale Options section.
3. Select your Timezone from the list. Then, do the following:
a. Set Locale to the store language.
b. Set First Day of the Week to the day that is considered to be the first day of the week in your area.
c. In the Weekend Days list, select the days which fall on a weekend in your area. (To select multiple options, hold down the Ctrl (PC) or Command (Mac) key.)
4. When complete, click the Save Config button.