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Multicultural Kid Blogs

For families and educators raising world citizens, through arts, activities, crafts, food, language, and love.

Calendars of the World

January 23, 2015 by Julie A

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Calendars of the World | Multicultural Kid Blogs

 

Way back, an undisclosed number of years ago (who wants to hint at their age after a certain point, right?!), I was a beginning Speech-Language Pathologist, experiencing all the thrills of a new career… and all the challenges, too. One of the biggest challenges of those first few months was a particular adult client whom I was seeing for a voice disorder. Ah, that fellow. He really gave me a run for my money, with his gruff, unfriendly manner, and borderline offensive attitude.

A couple weeks into our sessions, I thought I might have found a nice ice-breaker: the day of his next session would be his birthday. Surely I could build the tiniest bit of rapport with a birthday well-wish and a genuine interest in how he and his family celebrate birthdays. After all, voice therapy sessions require a lot of conversation (to practice techniques), and who doesn’t like to talk about themselves, right?

Well, wouldn’t you know it, but my birthday wish was met, not with appreciation, but with insult and anger. Didn’t I know that he was of such-and-such religion, and that they don’t use our calendar? Didn’t I realize that our clinic paperwork forced him to designate his birthday in a manner we preferred, with no option to list his true birthday? Sigh.

So, yes, the birthday angle was a bust. But it was an eye-opening experience, on many fronts, not the least of which was an awareness of all of the different ways time is measured, and an appreciation for what that entails. That awareness was recently re-awakened in the making of a unit on “celebrations of light” from around the world. In researching four such holidays, I found that each uses a different calendar to determine its date. Yowzers! My Gregorian-focused mind became more intrigued by the study of calendars than by the initial study of the holidays themselves.

And so, for anyone else encountering multiple measures of time in their work, or travels, or teaching (such as those who will be teaching about Chinese New Year very soon!), I have created a brief primer on a few of the calendars in use in our great wide world.

Sorting world calendars by type –lunar, lunisolar, and solar– can make the job of remembering them (and hopefully one day, understanding them… dare I dream?!) a bit easier.

Calendars of the World | Multicultural Kid Blogs
LUNAR CALENDARS

 

Lunar calendars are based on the orbit of the moon around the Earth, as compared to solar calendars’ relation to the orbit of the Earth around the sun (which we will see below). A lunar calendar is is based on cycles of the moon’s phases. (Think new moon, quarter moon, full moon, etc.)

In other words, a lunar calendar defines a month as the time it takes for the moon to go through all its phases, a.k.a. the time it takes for the moon to rotate around the Earth.

Interestingly, lunar calendars vary as to which day is the first day of the month. For some lunar calendars and lunisolar calendars (see below), such as the Chinese calendar, a new month begins when the new moon appears in a particular time zone. For others, such as some Hindu calendars, a new month begins on its full moon. For others, such as the Hebrew calendar, a new month coincides with the first appearance of a lunar crescent after a new moon.

When the moon has gone through 12 cycles, a lunar year is complete. The lunar year is equal to 354.37 days.

Islamic

The Islamic calendar is a lunar calendar, with 12 lunar months. Each month has 29 or 30 days. Because this calendar is not related to the Earth’s position relative to the sun (which is what determines seasons), a given month of the Islamic calendar will not occur in the same season each year. It takes approximately 33 years for the Islamic calendar to make a full round of the
seasons.

The Gregorian date of October 13, 2015 will bring about the Islamic New Year. The year will be 1437.

(Read more on the Islamic calendar and New Year here.)

Calendars of the World | Multicultural Kid Blogs
LUNISOLAR CALENDARS
 

With a lunisolar calendar, months are kept on a lunar cycle, but then “intercalary” months are added to synchronize lunar cycles with the solar year. (Intercalary simply means “inserted into the calendar.”) In this way, months remain somewhat more tied to the seasons than they do in a purely lunar calendar.

Chinese

The Chinese calendar is a lunisolar calendar. Each year has 12 months, with an intercalary month every two to three years. Interestingly, the intercalary month keeps the same name as the month preceding it.

The next Chinese New Year falls on what we Gregorian-users would call “February 19” in 2015. On that day, the year 4712 will begin.

(See how one playgroup celebrates Chinese New Year here, plus lots of kids crafts and books for Chinese New Year here and here.)

Hebrew

The Hebrew calendar is a lunisolar calendar with 12 months, plus an intercalary month about every three years. The intercalary month takes the name of the month following it, with the two months becoming, for example, “Adar I” and “Adar II.” (Adar II would be the “true” Adar.)

Of interest in the Jewish calendar is that its New Year (“Rosh Hashanah”) does not begin on the first day of the first month (called “Nissan”). Rather, the new year actually begins in the seventh month (“Tishri”) of the Jewish year. The next Rosh Hashanah, celebrated on Gregorian September 13-15 of 2015, will bring year 5776.

(Learn about the yummy and symbolic Rosh Hashanah tradition of apples and honey here.)

Hindu

It was as recently as 1957 that India adopted a national calendar that coincides closely to the Gregorian calendar, meaning that in the very recent past, many regions in India still had their own calendars. The most common traditional Hindu calendar, still used to date many festivals, is a lunisolar calendar. There are 12 lunar months, each beginning with the new moon, plus an intercalary month added every three years. The intercalary month is given the title of “adhika” meaning “extra,” plus the name of the following month. That following month gets “nija,” meaning “original,” added to it.

The Gregorian March 21 will bring the Hindi New Year. (Of course, some regional calendars of India celebrate the New Year on other dates, just to keep things confusing interesting for us Gregorians.)

As for what year this is… that will remain a topic for a future post, perhaps for an actual user of this calendar, as little comprehensible information is available in my part of the world. And what is available measures time in the hundreds of thousands of years, and even in millions and billions of years. This is one ambitious calendar!

Calendars of the World | Multicultural Kid Blogs
SOLAR CALENDARS

 

Solar calendars are based on the position of the Earth on its revolution around the sun. I’m sure most of us have known since grade school that our journey around the sun takes just under 365.25 days, thus our 365 day year, with “leap years” of 366 days roughly every four years.

Gregorian

This is the most widely used calendar today, recognized as a civil calendar even in cultures where an earlier calendar continues to date festivals and celebrations. This is a pure solar calendar, which came into existence in 1582.

While we all know that leap years occur every four years in the Gregorian calendar, there is actually a formula for determining leap years that does occasionally eliminate a fourth-year leap year:

Every year that is exactly divisible by four is a leap year, except for
years that are exactly divisible by 100, but these centurial years are
leap years if they are exactly divisible by 400.

I can’t even imagine how someone came up with this formula! Effectively, it reduces the number of leap years in a 400-year period from 100 to 97, making up for the fact the it actually takes about 11 minutes less than 365.25 days for our journey around the sun.

Persian

The Persian calendar is a solar calendar, and is considered the most accurate solar calendar in use today. Its complex system of scheduling leap years helps maintain its accuracy, as does its reliance on astronomical calculations rather than mathematical computations alone.

There are 12 months in a year, with 29 to 31 days in a month, a thirtieth day being added to the shortest month (“Esfand”) in leap years. “Nowruz,” or the new year, starts at the spring equinox, which is March 21 in 2015. The year will be 1394.

(Find out about the “Seven S’s” of the Persian New Year here.)

While we have covered many of the calendars in use in the world today, I know there are still more out there, waiting to be discussed and understood. If you have a calendar of your faith or culture that you would like to bring awareness to, I would love if you would leave a comment!

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Julie A

Julie is the creator of Open Wide the World, a website on family travels with an online store for teachers' resources in several languages. Julie is passionate about language learning, world cultures, travel, writing, and the great outdoors. She spends every minute she can doing all of the above with her multicultural, adventure-seeking family.
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Latest posts by Julie A (see all)

  • Native American Heritage Month + FREE Trilingual Printable - November 4, 2016
  • Calendars of the World - January 23, 2015

Filed Under: China, Hinduism, Iran, Islam, Judaism, Learning About Culture Tagged With: Calendars, Chinese calendar, Chinese New Year, Gregorian calendar, Hebrew calendar, Hindu calendar, Islamic calendar, lunar calendar, lunisolar calendar, new year, Nowruz, Persian calendar, solar calendar

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Comments

  1. Marie-Claude says

    January 23, 2015 at 6:10 am

    This is fascinating – I had no idea there were quite so many different calendars! I have to admit, my head is spinning about from all the calculations 🙂

    • Julie Ap says

      January 23, 2015 at 7:44 am

      Omgoodness, I felt the same way, Marie-Claude, when I was trying to write about Celebrations of Light Around the World: so many calendars, so much confusion for a mere Gregorian user… thus this post, to help make sense of it all. I agree, a very fascinating world we live in!

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