| Aspect | Leap Year | Non-Leap Year |
| Number of Days | 366 days | 365 days |
| Leap Day | February 29th | February 28th |
| Occurrence | Every 4 years, with some exceptions | Every year that is not a multiple of 4, or multiples of 100 but not 400 |
| Purpose | To keep the calendar year synchronized with the astronomical year | Maintains a standard 365-day calendar |
| Months | Same months as a non-leap year | Same months as a leap year |
| Calendar Accuracy | Better reflects Earth’s orbit around the Sun | Slightly less accurate for astronomical alignment |
| Notable Leap Years | · 2020 · 2024 · 2028 · 2032 | · 2021 · 2022 · 2023 · 2025 |
| Significance | Adjusts the calendar to account for the extra 0.2422 days in the Earth’s orbit | Provides a consistent calendar year |
If the first day of the year (other than on a leap year) was Monday, then which was the last day of the year?
Question: If the first day of the year (other than on a leap year) was Monday, then which was the last day of the year?
A Tuesday
B Wednesday
C Sunday
D Monday
Answer: Monday