Pope Gregory XIII was patron of Rome’s renaissance, and a legal luminary whose influence transcends the ages.
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Monks who failed to factor in the leap day placed spring equinox on the wrong day, which meant Ash Wednesday, Lent, Holy Week and Pentecost were also marked on the wrong day.
2024 is a leap year, when the shortest month mops up a bit of leftover time. But the extra day also tells us about space – and our place in it.
Humans have synced their calendars to the sun and moon for centuries, but every so often, these systems need a little correction.
Leap years were devised in Julius Caesar’s time, to fix the pesky problem that Earth’s year isn’t exactly 365 days. But 15 centuries later, our calendars were still slightly askew.
2016 has been a long year, but it’ll be made slightly longer care of a leap second. But why do we need such things?
We will get an ‘extra’ day this year, February 29. Where do these quadrennial liberties with our calendar originate?
Kontributor teratas
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Professor (Astrophysics), University of Southern Queensland
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Professor of Physics and Analytics, University of the Pacific
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Professor of Computer Networking, University of Technology Sydney
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PhD Student in Physics and Astronomy, Purdue University
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Associate Professor of Old English, University College Dublin
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Historian, Australian Catholic University
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Senior Lecturer, Spatial Design + Temporary Practices, Auckland University of Technology
