Question

By how many days is the Gregorian Calendar ahead of the Julian Calendar?

• A. 10 days
• B. 12 days
• C. 13 days
• D. 15 days

Hint:

The Gregorian calendar, introduced in 1582, fixed the inaccuracies in the Julian calendar, resulting in a 13-day difference today.

Answer 1

The Correct Option is C

Step 1: Understanding the Difference Between Calendars.
The Gregorian calendar is 13 days ahead of the Julian calendar due to the leap year correction and differences in how both calendars calculate leap years. The Julian calendar adds a leap day every 4 years, while the Gregorian calendar skips leap years in some centuries to better align with the Earth's orbit.
Step 2: Analysis of options.
- (A) 10 days: Incorrect, the difference is 13 days.
- (B) 12 days: Incorrect, the difference is 13 days.
- (C) 13 days: Correct, this is the difference due to the calendar systems.
- (D) 15 days: Incorrect, the correct difference is 13 days.
Step 3: Conclusion.
The correct answer is (C) 13 days.