Topic: Gregorian Calendar
Top galleries, list articles, quizzes
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Autumnal equinox: 5 things you need to know
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Ramadan 101: Five facts about the holy month of Ramadan
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Photos of the Day: Photos of the day 01/19
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Photos of the Day: Photos of the Day 01/06
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Photos of the Day: Photos of the Day 01/07
All Content
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Leap Day asteroid to whiz past Earth
Just in time for Leap Day, the 61-foot asteroid 2012 DS32 will zoom past our planet at a comfortable distance of about 446,000 miles.
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Leap year: why we have a need for the occasional Feb. 29
The leap year is a testament to the tough time that humans have trying to organize 365 days, 5 hours, 49 minutes, and 16 seconds into a year.
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Leap year flight of fancy: how to remake the calendar with no leap day
Two professors, an astrophysicist and an economist, propose junking the leap day dependent Gregorian Calendar for a 364-day (52-week) year and a leap week every once in a while.
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Autumnal equinox: 5 things you need to know
Ready or not, it’s the first day of fall, also known as the September, fall, or autumnal equinox. It’s a time marked as much by the emergence of wayfaring leaf peepers as it is by celestial coincidences. Sure, it happens every year, but this time you’ll be able to impress your friends with your budding seasonal knowledge. Take a look at the things you ought to know.
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Ramadan 101: Five facts about the holy month of Ramadan
Muslims around the world will begin celebrating Ramadan today. Throughout the month-long holiday, they will fast from dawn to dusk. Ramadan is happening at the heart of summer this year, posing a greater challenge than normal for those observing the fast.
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Ides of March: What's an ide anyway? The whole sooth.
Ides of March: What exactly is an ide anyway? An what does it have to do with Julius Caesar?
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Photos of the Day: Photos of the day 01/19
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Photos of the Day: Photos of the Day 01/06
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Ramadan 2010 USA: From Miami to Mecca, how 1.6 billion Muslims celebrate
Ramadan 2010, USA-style, includes streaming footage of Friday prayer sermons as Muslims seek to counter rising anti-Islamic sentiment. Saudi Arabia unveils a new clock, while Morocco makes do with makeshift tents after 1,256 mosques were closed.
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If everything's 'revolutionary,' nothing is
From corn chips to deodorants, marketers tout new products as 'revolutionary.' But real revolutions are rare. And revolutions that endure depend on a secret ingredient: democracy
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Photos of the Day: Photos of the Day 01/07
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Enjoy your leap second
The leap second the world's timekeepers will add tomorrow will bring the world's high-tech atomic clocks back into sync with time as defined by Earth's rotation
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Wishing you a happy bissextile day
Looking at some of the specialized vocabulary of leap year.
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