The Simple Calendar of Russian Holidays by AtomARSoft is an Android application that provides information on whether a day is a workday, shortened workday, or a holiday. It contains data on official holidays in Russia and a production calendar for both five-day and six-day work weeks. The calendar displays data for the five-day work week fromand for the six-day work week fromThe app allows users to place widgets of different sizes (2x2, 3x3, 4x2, and 4x4) on their home screen.

The app also features a calculator that calculates the number of days in a given period (weekend, acronyms, working days) and provides standard hours for a 40-hour, 36-hour, and 24-hour work week. The Simple Calendar of Russian Holidays is a free application that falls under the Education & Reference category and the Books subcategory.

Overall, the Simple Calendar of Russian Holidays is a helpful app for those living in Russia who need to keep track of official holidays and work schedules. Its easy-to-use interface and customizable widgets make it a convenient tool for everyday use.