These graphics explain why Easter Sunday changes each year based on ancient interpretations of the solar and lunar cycles.

$900k yearling gets monkey off the back After kicking off his career with the stats of 8: 0-5-0, Monte Veebee ($900k yearling ...

This year, Easter falls on April ... The Gregorian calendar, instituted by Pope Gregory XIII, went into effect in 1582. In the 1,417 years from 1583 through 3000, it’s most common for Easter ...

But this year marks the 1,700th ... Western churches calculate the date using the Gregorian calendar introduced by Pope Gregory XIII in 1582, Eastern Orthodox churches use the older Julian ...

The final draft of the calendar was handled by Pope Gregory XIII in the year 1582 due to various leap year observations, according to Space.com. The calendar fell out of alignment with the solar year.

The date is different every year and falls on the ... The Gregorian calendar, instituted by Pope Gregory XIII, went into effect in 1582. In the 1,417 years from 1583 through 3000, it’s most ...

But the two churches started using different calendars after Pope Gregory XIII’s adaptation in 1582, when the Western church adopted ... Pope Francis referred to this year’s Easter celebration while ...

But the two churches started using different calendars after Pope Gregory XIII’s adaptation in 1582, when the Western ... Pope Francis referred to this year’s Easter celebration while invoking ...

In 1582, Pope Gregory XIII issued a papal bull ... Duncan explains in his book “The Calendar: The 5000-Year Struggle to Align the Clock and the Heavens, and What Happened to the Missing Ten ...