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Gregorian Calendar

All articles tagged with #gregorian calendar

science-and-technology1 year ago

"Unraveling the Quirk of Leap Years: A Guide to Maximizing Your Extra Day in 2024"

Leap years, which occur every four years, are a result of the Earth's orbit taking roughly 365.24219 days to complete, leading to the need for an extra day every four years to keep the calendar in sync with the solar year. The rules governing leap years are complex, with exceptions at the turn of centuries and the requirement for a year to be divisible by 400 to be a leap year. These adjustments are necessary to prevent the calendar from falling out of sync with the seasons due to the Earth's axial tilt, and to maintain accuracy in timekeeping.

via BBC.com|
#calendar#earths-orbit#gregorian-calendar
history1 year ago

"The Longest Year in History: Julius Caesar's Year of Confusion"

Julius Caesar's reform of the Roman calendar in 46BC, which aimed to align it with the seasons, resulted in the longest year in history at 445 days. The early Roman calendar, based on lunar and agricultural cycles, had become unruly, leading to confusion and mismatches with the seasons. Caesar's advisor, Sosigenes, added two new months to the year and introduced leap years to align the calendar with the solar year. Later, Pope Gregory made further adjustments to create the Gregorian calendar, which is still in use today but not without its own discrepancies.

via BBC.com|
#astronomy#gregorian-calendar#history
culture2 years ago

"Ethiopia's Time Warp: Living in 2016"

Ethiopia currently follows a unique calendar system that places them in the year 2016. Unlike the Gregorian calendar used by most countries, Ethiopia uses a calendar with 13 months, each consisting of 30 days, followed by a final month of five or six days. The Ethiopian calendar is based on the birth of Jesus and has not adopted the revised calculations made by the Catholic Church in 500 CE. As a result, Ethiopia's new year falls on September 11 in the Gregorian calendar, and the country has not experienced events like Brexit.

via IFLScience|
#cultural-traditions#culture#ethiopia