a system of timekeeping that defines the beginning and length and divisions of the year a list or register of events (appointments or social events or court cases etc)
"I have you on my calendar for next Monday" a tabular array of the days (usually for one year) enter into a calendar
Time and Date
Lots of time and date related information, such as yearly and monthly calendars, counters, countdown, and the world clock which shows the current time in cities all over the world. http://www.timeanddate.com/
Yahoo! Calendar
Offers public and private event scheduling, to-do lists, weather, and integration with Microsoft Outlook and Palm devices. http://calendar.yahoo.com
Calendar Zone
Dates in history; links to biographical and geographical events. Find out what's happened on your birthday before your were born. Also includes recipes and poetry. http://www.calendarzone.com
