Calendars
Whether you need to convert dates from the Julian to the Gregorian calendar or you want to learn more about Jewish, Islamic and other calendar systems, Wolfram|Alpha has answers to your questions. Look up specific dates, convert between any two calendar systems or generate custom calendars.
Calendar Generation
Generate calendars for a month or a year or show a particular week on the calendar.
Generate a calendar for a month:
Generate a calendar for a year:
Show a particular week on the calendar:
Get information about the calendar:
Calendar Systems
Convert dates between calendars or look up a date on an international calendar.