The celebration of Christmas varies, with most Christians observing it on December 25, while Orthodox Christians celebrate on January 7 due to differences from the Julian to Gregorian calendars. These calendar changes, initiated by Pope Gregory XIII in 1582, addressed drift issues in previous systems, affecting seasonal alignment and date consistency in Christian practices.
Tag: Time
The Shortest Day
Updated and revised 11 December 2025 As I write this post, it's completely dark outside and it's only 5 o'clock in the afternoon. Today is 4 December, and most people I come across think that it will continue to get dark earlier and earlier in the afternoons until 21 December, the shortest day of the year… Continue reading The Shortest Day
The Days are Getting Longer
The Moon's gravitational influence creates tides on Earth, with tidal bulges occurring on both sides of the planet. This interaction gradually slows Earth's rotation, lengthening days and causing the Moon to drift away at about 3.8 cm per year. Past proximity may have facilitated the emergence of early life due to stronger tidal forces.
