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Change language of calendar (days and months)

I’ve installed an English version of Windows and also an English version of Office. However, when I go to my Calendar, I still see the names of the days and months in my native language (Dutch).

How can I switch this to English as well?

The names of the days and months as displayed in your Calendar is coming from your configured Region and Language formatting settings in Control Panel and not from Outlook.

When you set your format style to an English template, the names of the days and months will also display in English. However, you might need to customize some settings from this template to match your own language style again.

Set Format style to English

You can change the language format in the following location;

  • Windows 7
    Control Panel-> Clock, Language, and Region-> Regional and Language
  • Windows Vista
    Control Panel-> Clock, Language, and Region-> Regional and Language Options
  • Windows XP
    Control Panel-> Date, Time, Language, and Regional Options-> Regional and Language Options

Region and Language options in Control Panel.
The names of the days and months depend on the language format set in the Regional and Language applet in Control Panel.

Customize formatting settings for your language

After you’ve changed the language format template, review the settings for it. Especially for European countries, these can be quite different from the English (United States) style.

For instance;

  • Date format; day before month
  • Date format; – or . as separators
  • Time: 24 hour display
  • First day of the week: Monday
  • Decimal symbol: ,
  • Digit grouping symbol: .
  • Measurement system: Metric
  • Currency symbol: €

Note: Often the list separator is also a semicolon ( ; ) instead of a comma ( , ) but I prefer to set it to a comma as it solves a bug with importing/exporting csv-files (comma separated values).

Some of these values cannot be changed directly to the correct format from the Format tab such as the date format. To change this, click on the Additional Settings… button and select the Date tab. Here you can freely type the format that you want.

English (US) Regional and Language template customized to Dutch standards keeps the names of the days and months in Outlook in English.
English (US) format template customized to the Dutch format produces English names of days and month in the Outlook Calendar while maintaining the Dutch notation standards.



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