The markings on a pillar in southern Turkey are more than decorations on the stone, a researcher at the University of Edinburgh says. They may memorialize a time when comet fragments struck Earth.
Tag: Calendars
When Does Ramadan Start in 2024? It Depends on the Crescent Moon.
The exact start date of Islam’s holiest month depends on when local Islamic authorities declare the sighting of the new moon.
Why Leap Day Is Really About Party Planning
Judah Levine, top time researcher, explains how Feb. 29 was invented to keep the major holidays from colliding.
Japan Has a New Emperor. Now It Needs a Software Update.
It isn’t exactly Y2K, but the country is scrambling to reconcile its systems with the ancient demands of an imperial calendar.
Trilobites: What Lunar New Year Reveals About the World’s Calendars
Rather than a scientific given, calendars say a lot about the history and cultural values of the societies that created them.