Open settings window to change language and the first day of the week.
Available languages: Afrikaans, Albanian, Arabic, Azerbaijani, Basque, Bulgarian, Byelorussian, Catalan, Chinese, Croatian, Czech, Danish, Dutch, English, Estonian, Filipino (Tagalog), Finnish, French, German, Greek, Hebrew, Hungarian, Icelandic, Indonesian, Italian, Japanese, Korean, Latvian, Lithuanian, Macedonian, Malagasy, Malay, Norwegian, Persian (Farsi), Polish, Portuguese, Romanian, Russian, Scottish Gaelic, Serbian (Cyrillic & Latin), Slovak, Slovenian, Somali, Spanish, Swedish, Thai, Turkish, Ukrainian, Vietnamese, Welsh.
