Holiday Calculator  Holiday Calculator

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Many holidays and celebrations occur at the same fixed date each year. Others occur always occur on some special day of the week, or move around wildly, like Easter which is based on the phases of the moon. Others like the equinoxes are based on astronomy. Some events, like presidential inaugurations, don’t happen every year. Some, have moved around over the years. I have posted code to calculate to following holidays given the year.
January February March April May June
New Year’s Day Groundhog Day Daylight Saving Time Start April Fools’ Day Cinco de Mayo Australian Queen’s Birthday
US Congressional Start Day Valentine’s Day Commonwealth Day Palm Sunday Europe Day Father’s Day
Martin Luther King Day Presidents Day St. Patrick’s day Good Friday Mother’s Day Summer Solstice
US Presidential Inauguration Day Alberta Family Day Vernal Equinox Easter Sunday Armed Forces Day Aboriginal Day
Robbie Burns Day aka Burns Nicht Mardi Gras   Easter Monday Victoria Day St. Jean-Baptiste Day
Australia Day Ash Wednesday   Earth Day Memorial Day  
      ANZAC Day    
July August September October November December
Canada Day Canada Civic Day Change Your Passwords Day Canadian Thanksgiving Daylight Saving Time End World AIDS Day
Independence Day   Canadian Labour Day Columbus Day Remembrance Day Human Rights Day
Utah Pioneer Day   American Labor Day Halloween Veterans Day Winter Solstice
Parents’ Day   Grandparents Day   American Thanksgiving Christmas Eve
    Autumnal Equinox   Black Friday Christmas in UK and Canada
        St. Andrews Day Christmas in the USA
          Boxing Day in UK and Canada
          New Year’s Eve
You will note these are not all holy-days or holidays you get off work. They are not necessarily even celebrations I use the term holiday very broadly to include any regularly recurring special day on the calendar.

The holiday I plan to add next is Chinese New Year which has a complex formula.

This Applet below will show you when all the holidays occur in any given year, BC or AD. If the holiday was not celebrated in that year, it will not appear. It will also show you the nearest weekday to any given holiday.

Please report any errors via email. If you are willing to provide the rules for calculating your favourite holidays, I will add them too.

The program is also available with Java source to download and run it either as an Applet or an application.

Sorry, you need Java 1.5+ to run this Applet.

If, holidays, the above Holiday Calculator Java Applet (that can also be run as an application) does not work…

  1. This Java Applet (that can also be run as an application) needs 32-bit (not-64-bit) Java 1.5 or later, best version 1.5.0_22 or later, version 1.6.0_18 recommended and a recent browser.
  2. Firefox 3.6 requires Java 1.6.0_10 or later.
  3. If you have Windows 7 64-bit and Internet Explorer 64-bit, you can use 64-bit Java.
  4. You should see the Applet hybrid above looking much like the screenshot. If you don’t, the following should help you get it working:
  5. If you are using Microsoft Internet Explorer, try another browser. Seriously. Microsoft has taken great pains, over and over, to screw up Java and every other multi-platform standardisation.
  6. If you are using Internet Explorer 7 or 8, you must allow blocked content permission for Active X to run. This also gives permission to Java to run. Click the Information bar, and then click Allow blocked content. Unfortunately, this also allows dangerous ActiveX code to run. However, you must do this in order to get access to perfectly-safe Java Applets running in a sandbox. This is part of Microsoft’s war on Java. Don’t put up with it! Use a different browser.
  7. Especially if this Applet hybrid has worked before, try clearing the browser cache and rebooting.
  8. To ensure your Java is up to date, check with Wassup. First, download it and run it as an application independent of your browser, then run it online as an Applet to add the complication of your browser.
  9. If the above Applet hybrid does not work, check the Java console for error messages.
  10. If the above Applet hybrid does not work, you might have better luck with the downloadable version.
  11. If you are using Mac OS X and would like an improved Look and Feel, download the QuaQua look & feel from randelshofer.ch/quaqua. UnZip the contained quaqua.jar and install it in ~/Library/Java/Extensions or one of the other ext dirs.
  12. If you still can’t get the program working click HELP for more detail.
  13. If you can’t get the above Applet hybrid working after trying the advice above and from the HELP button below, have bugs to report or ideas to improve the program or its documentation, please send me an email atemail Roedy Green.
Java powered   Get New Java  Get New Browser   Help
PackageVersionReleasedLicenceLanguageNotes 
holidays
Holiday Calculator		 4.4 2009-11-23 free Java
more info ❘ PAD facts ❘ screenshot ❘ browse source repository for the current version of Holiday Calculator. Calculates when various holidays occur in any given year BC or AD. Designed to be cannibalised to include the calculation routines in your own programs. Also calculates the nearest weekday to any given holiday.
download zip for Holiday Calculator Java source and compiled class files to run on your own machine as an application or Applet.

First install the most recent Java.

To install, extract the zip download with WinZip, (or similar unzip utility) into any directory you please, often J:\ — ticking off the “user folder names” option.

To check out the corresponding source from the Subversion repository, use the TortoiseSVN repo-browser to
access holidays source in repository with [Tortoise] Subversion client on wush.net/svn/mindprod/com/mindprod/holidays/.

After you have installed the jar, you can run it as an application. Type:

java -jar J:\com\mindprod\holidays\holidays.jar

adjusting as necessary to account for where the jar file is.

download ASP PAD XML program description for the current version of Holiday Calculator.

Holiday Calculator is free. Full source included. You may even include the source code, modified or unmodified in commercial programs that you write and distribute. Non-military use only.
    
 
J.R. Stockton’s Holiday Page
My least favourite holiday is Remembrance Day/Memorial Day. On that day, otherwise sane card-carrying liberals go gaga over soldiers who participate in illegal aggressive wars. I am not that keen on Easter either. Hypocrites who have nothing to do with religion all year show up to support an obsolete church whose only remaining function is pimping for its pedophilic clergy. As a child, my favourite holiday was Halloween. I liked the fireworks. As an adult, I like the way grown-ups let themselves play by dressing up in silly costumes.
CMP homejump to top You can get the freshest copy of this page from: or possibly from your local J: drive (Java virtual drive/mindprod.com website mirror)
http://mindprod.com/applet/holidays.html J:\mindprod\applet\holidays.html
CMP logofeedback Please email your feedback for publication, errors, omissions, typos, formatting errors, ambiguities, unclear wording, broken/redirected link reports, suggestions to improve this page or comments to Roedy Green : feedback email
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