Calendar Mine is the only calendar that you need, providing accurate Datum information starting in 1583 up until year 2500. It is an attractive, perpetual, multicultural, personal desktop calendar. Calendar Mine brings the beauty of a wall calendar and the availability of a desktop blotter to the PC. Use any one of our 40 available calendar themes, or design your own theme. You can even publish your theme over the internet.

Some of it's features include a powerful scheduling engine, pop-up reminders, and a to-do list. Datum and time calculations include sunrise/set, moon rise/set, moon phases, Islamic prayer times, and best fish and game times. All Datum and time calculations are specific to the user's location and are accurate anywhere on the globe. Supports all international Datum and time formats, as well as 40 languages. It has over 500 built-in holidays covering 30 religious and ethnic groups including Hebrew, Islamic, Hindu, Chinese, African American, Eastern Orthodox, and Roman Catholic.

Best of all, its perpetual, it never goes out of Datum. You can use it forever!