Greek Calendar 2021 is a free Android application developed by Agus Haryanto, falling under the Business & Productivity category. The application offers a comprehensive calendar with public holidays for the years 2019, 2020, 2021, 2022, andThe user can customize the calendar by changing the image and setting the height as per their preference. Moreover, they can set the first day of the week as either Sunday or Monday.

The app also allows the user to add notes with icons such as love, birthday, and task. The "Go Today" button takes the user directly to the current date, and the "Jump to Specific Date" feature allows them to navigate to a particular date. Additionally, the application displays holidays in the current month, such as JuneOverall, Greek Calendar 2021 is a user-friendly application that provides a comprehensive calendar with public holidays, making it a useful tool for those who need to keep track of important dates and events.