Calendars, Holidays & Time 

Calendars 

Calculation of the Ecclesiastical Calendar       http://almanac.oremus.org/easter/
Calculates the Roman or Western date for Easter on the current,  Julian,  or Gregorian calendars for any year.  It will also give you the Western Christian ecclesiastical calendar for the current year.  Provides an explanation of how Easter is calculated.
 
Calendar Conversions     https://calendarhome.com/calculate/convert-a-date

A unique Internet service that allows users to convert a date from standard format to Julian day number, day of the week, Gregorian calendar, Julian calendar, Jewish calendar, or French republican calendar.'

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

A history of different calendars, including information and materials for teachers. 

Calendars Around the World  http://www.rmg.co.uk/sites/default/files/media/pdf/Calendars-from-around-the-world.pdf

From the Royal Maritime Museum, a history of calendars and calendar types.   

Calendar from Eric Weisstein  http://scienceworld.wolfram.com/astronomy/Calendar.html

A description of the history of calendars, including all the math to create them, and with links to:

AD, Aztec Calendar, Babylonian Calendar, BC, BCE, Besselian Epoch, Chinese Calendar, CE, Egyptian Calendar, French Revolutionary Calendar, Gregorian Calendar, Hebrew Calendar, Hindu Calendar, Iranian Calendar, Islamic Calendar, Julian Calendar, Julian Date, Julian Epoch, Mayan Calendar, Roman Calendar, Time

Calendar Zone       http://www.calendarzone.com/    
Provides links to many celestial, holiday, cultural and religious calendars.

Islamic Calendar       http://www.webexhibits.org/calendars/calendar-islamic.html

Explains how the Islamic calendar works, and how things are different in Saudi Arabia

Perpetual Calendar     archives.nd.edu/research/perpetual.htm

Enter month and year for display of calendar month. Provided as a research tool by the University of Notre Dame archives.

Printable Calendars  http://www.timeanddate.com/calendar/

Create calendars for any year, and add holidays and other information.  Also has links to additional calendars.

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Holidays 

 

Hebrew Calendar      http://www.hebcal.com/

Free Jewish holiday calendars, Hebrew date converters and Shabbat times

 

U.S. Holiday Calendar       http://mycalendar.org/Holiday/United_States/

Monthly view with holidays highlighted.  Hover over the highlighted day for more information on the holiday.  Check out holidays for other countries using the left hand menu. 

 

This Day in History      http://www.history.com/this-day-in-history

From the History Channel, focused on United States History, this site comes with a list of events.  It does have an auto-play video.

Holidays: A Sampler from Around the World    

http://www.scholastic.com/teachers/article/holidays-sampler-around-world

Designed for teachers, this has brief information on a variety of world holidays, and additional links to holiday information topics.   

 

Muslim Prayer Times  http://salah.com/

Searchable by country, state, province, city, zip code, postal code, address, or latitude and longitude.  Also includes a link to Qu'ran verses.

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Time

Official Date and Time:  United States      http://www.time.gov/

The official time, with a map showing where in the world it is night and day.  Click the arrows to move to different time zones.   Check out their list of other sites and online exhibits about time and clocks. 

 

Time and date.com     http://www.timeanddate.com/

Current time and date for 512 cities, worldwide, and Greenwich Mean Time. World times can also be displayed for each continent, or sorted by country or by time zone. An annual or monthly calendar (1 to 3999 A.D.) can be displayed, showing the phases of the moon, and holidays for select countries. Also display the number of days, hours, minutes and seconds that exist between 2 dates.

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Updated 6/22/2015 AAH

Links checked 9/7/2016

Links checked 8/5/2017 JD

Links checked 11/12/2019 AAH