Efficient Calendar is a cross-platform and easy-to-use scheduler, planner and reminder which allows you manage time both on PCs and mobile phones. Multiple calendar views, such as Day, Week, Month and Year views as well as list view are available so you can better arrange and track your events. By setting subtasks at any level, you can better organize and manage the to-do list. All appointments, meetings, events and tasks can be reminded in time as configured, and you will never miss any important things!