Merry (Julian) Christmas!
Christian communities that follow the Julian calendar observe Christmas on January 7th, 13 days after the Gregorian-calendar Christmas. So, to our Christian brothers and sisters who celebrate today – including Ukrainians, Russians, Serbians, Macedonians, Bulgarians, Romanians, Belarusians and others – we wish you a very Merry Christmas!
I had a chance to chat with Fr. Stephen Wojcichowsky, Director of the Metropolitan Andrey Sheptytsky Institute in Ottawa, a specialized institution to spread knowledge of the Christian East. We talked about the Julian-calendar Christmas.
MR: Why two different dates for Christmas?
Fr. Stephen: There are not two different dates. It’s the same date, Dec. 25th…. Imagine you have two transparent leafs for each calendar. When you superimpose the Julian calendar onto the Gregorian calendar, you see that December 25th on the Julian calendar falls on January 7 of the Gregorian calendar. In fact, all of the dates that are on the Julian calendar are the same as for the Gregorian calendar – it’s just that they are separated by 13 days. When the Gregorian calendar leapt forward in the 16th century, it advanced the calendar by 10 days. The gap between the calendars keeps widening every century or so. Now we are 13 days apart; in 2100 we will be 14 days apart. By then, December 25th on the Julian calendar will fall on January 8th of the Gregorian calendar.
Other faith traditions base their festivals on the lunar calendar (the Islamic tradition) or on a combination of solar and lunar calendars (the Jewish tradition). Muslims celebrate Ramadan at different parts of the year depending on their lunar calculations. The Jewish people celebrate Hanukkah more or less at the same time as Christmas but it doesn’t always fall on the same day in December. The Julian calendar December 25th always falls on January 7th, and then it’ll be fixed on January 8th for another 100 years. Even so the Gregorian calendar is not astronomically accurate anymore.
When I was growing up, the spring equinox was on March 21st, and now it can be on March 20th, because we are able to be more accurate in calculating the Gregorian calendar. So neither calendar is perfect. The Gregorian is the most precise that we have at this point.
MR: Why do some people stick with the Julian calendar?
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