The Missing Days
Why October 1582 Is Significant: The Calendar Change Explained

Discover the reasons behind the significant calendar change in October 1582, introducing the Gregorian calendar.

The Year 2024
Understanding the Year 2024: Why We Use the Gregorian Calendar

Explore why we are in the year 2024 based on the Gregorian calendar and Earth's orbit.

Orthodox Easter 2024: Late
Why is Orthodox Easter 2024 So Late? Understanding the Julian Calendar

Discover why Orthodox Easter 2024 falls later than Western Easter, based on the Julian calendar calculations.

The Monday Ruling
Who Instituted Monday as the First Day of the Week?

Discover how ISO 8601 established Monday as the week's starting day and its impact on global time standards.

Calendar vs. Earth
Why Is The Year 2024 Based on Human History and Not Earth's Age?

Explore why we use the year 2024 in the Gregorian calendar despite Earth's age of 4.5 billion years.