Calendars

The organization and record of the passing of days or time. Also include are topical and audience-specific calendars, such as religious and cultural calendars.

Resources in this category:

The American Secular Holidays Calendar
http://www.smart.net/~mmontes/ushols.html

Calculates the date and day of the week for all American secular holidays for any year after 1776.

Calculation of the Ecclesiastical Calendar
http://www.smart.net/~mmontes/ec-cal.html

Calculates the dates and days-of-the-week for Western and Orthodox Christian holy days, feasts, etc. for any year after 325 AD, and also provides historical information about the calculation of holidays.

The Calendar Zone
http://www.calendarzone.com/

Offers daily and interactive calendars, information regarding the significance of dates in history, religion, and geographically, and provides descriptions of various calendars, events, and holidays.

Calendars through the Ages
http://www.webexhibits.org/calendars/

A site covering the "history of the human endeavor to organize our lives in accordance with the sun and stars." Discover the origins of modern and past calendar systems. This site covers the calendars of several different cultures and includes a timeline of calendar facts.

Computation of Sunrise, Sunset and Twilight Times
http://www.sci.fi/~benefon/sol.html

This site calculates the length of daylight for your particular location, when twilight begins and ends, sunrise and sunset times, the height angle of the sun at noon and the declination. You can choose from a menu of cities or enter the latitude and longitude of the location that you want information on.

Google Calendar
http://www.google.com/calendar/

Track important events in one place with this easy-to-use online web application. Add events, send invitations, and share your schedule with others. A search feature is also available. Free registration required.

Interfaith Calendar
http://www.interfaithcalendar.org/

English calendar dates for holidays and holy days for several different world religions. Includes current and future years.

Jewish Holiday Calendar
http://bnaibrith.org/jewish_holiday_calendar.cfm

Gives the English calendar dates for traditional Jewish Holidays for 2008-2009. This page will only be legible if your browser supports tables.

Multi-Cultural Calendar
http://www.kidlink.org/KIDPROJ/MCC/

Holidays around the world. Search by month, holiday, country, or keywords. Many include recipes, crafts, history of holiday.

Panchangam.com: Online Hindu Vedic Calendar
http://www.panchangam.com/

"Panchangam is the Indian Calendar, which has been in use for centuries. This calendar covers everything from the phases of the Moon, the positions of stars and planets, and identifies auspicious times and days for various activities." Online panchangam calculator, listing of major Hindu festival days, free downloads of kolam and yantha(religiously significant illustrations), and directory of shlokas (prayers).

The 10,000 Year Calendar
http://www.calendarhome.com/tyc/

A perpetual calendar; allows users to check days of the week for dates in history and in the future. Browsable, not searchable, but easy enough to use.

Virtual Perpetual Calendars
http://www.vpcalendar.net/

A site that currently provides the calendar for any year in the 19th-21st centuries. You can also look up the dates for holidays in the United States and Canada from 1995-2010. Other features include a quick reference to signs of the zodiac and seasons of the year along with their corresponding dates.

Wolfram|Alpha
http://www.wolframalpha.com/

Wolfram Alpha quickly locates facts, graphs, definitions, tables, numbers, formulas, and other data. Use the "Examples" page to browse and see all the different topics covered.