Calendar Reasoning - Beginner Level: leap year logic BEGINNER

Level up your calendar reasoning skills with this entry level practice. 20 beginner-level problems await in Worksheet 4 of 30. Focus area: leap year logic. Learn leap year logic, month patterns, weekday determination through systematic practice. Designed for entry-level learners seeking foundational concepts and basic patterns.

📝 Worksheet 4 of 30 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Beginner level

What you'll learn in this worksheet:
Your progress through Calendar Reasoning
Worksheet 4 of 30 (13% complete)

Question 1

If yesterday was Thursday and tomorrow is Saturday, what day is today?
Using day relationships: If yesterday was Thursday and tomorrow is Saturday, = today? Friday

Question 2

After how many years will the calendar for 2053 repeat exactly?
The calendar for 2053 repeats after 6 years because the day pattern and leap year cycle align.

Question 3

In the calendar for Apr 2023, if the 1st falls on a Saturday, on which weekday will the 15th fall?
15th is 14 days later: (5+14)%7=5, so Saturday.

Question 4

Which financial quarter and semester does 02-12-2017 fall in? (Note: Indian fiscal year starts April 1, where April-May-June = Q1/Semester 1, July-Aug-Sep = Q2/Semester 1, Oct-Nov-Dec = Q3/Semester 2, Jan-Feb-Mar = Q4/Semester 2)
For 02-12-2017: Fiscal Year 2017-2018, Quarter 3, Semester 2.

Question 5

If yesterday was not Saturday, which day CANNOT be today?
If today were Sunday, then yesterday would be Saturday, which contradicts the condition.

Question 6

In the calendar for Feb 2025, if the 1st falls on a Saturday, on which weekday will the 15th fall?
15th is 14 days later: (5+14)%7=5, so Saturday.

Question 7

Which financial quarter and semester does 06-06-2027 fall in? (Note: Indian fiscal year starts April 1, where April-May-June = Q1/Semester 1, July-Aug-Sep = Q2/Semester 1, Oct-Nov-Dec = Q3/Semester 2, Jan-Feb-Mar = Q4/Semester 2)
For 06-06-2027: Fiscal Year 2027-2028, Quarter 1, Semester 1.

Question 8

Which financial quarter and semester does 06-03-2040 fall in? (Note: Indian fiscal year starts April 1, where April-May-June = Q1/Semester 1, July-Aug-Sep = Q2/Semester 1, Oct-Nov-Dec = Q3/Semester 2, Jan-Feb-Mar = Q4/Semester 2)
For 06-03-2040: Fiscal Year 2039-2040, Quarter 4, Semester 2.

Question 9

How many days did February have in the year 2002?
Year 2002 had 28 days in February.

Question 10

If 1 January 2021 was a Friday, what day was 1 March 2021?
Calculated via Zeller's congruence: 1/3/2021 falls on Monday.

Question 11

Which financial quarter and semester does 19-09-2024 fall in? (Note: Indian fiscal year starts April 1, where April-May-June = Q1/Semester 1, July-Aug-Sep = Q2/Semester 1, Oct-Nov-Dec = Q3/Semester 2, Jan-Feb-Mar = Q4/Semester 2)
For 19-09-2024: Fiscal Year 2024-2025, Quarter 2, Semester 1.

Question 12

If yesterday was Thursday and tomorrow is Saturday, what day is today?
Using day relationships: If yesterday was Thursday and tomorrow is Saturday, = today? Friday

Question 13

After how many years will the calendar for 1979 repeat exactly?
The calendar for 1979 repeats after 11 years because the day pattern and leap year cycle align.

Question 14

How many odd days are there in 28 years starting from 1865? (Note: Odd days = remainder when total days are divided by 7)
Total days = 21×365 + 7×366 = 10227 days. Odd days = 10227 mod 7 = 0.

Question 15

In the following calendar grid for May 2024, how many Sundays are there? Mon Tue Wed Thu Fri Sat Sun | | 1 | 2 | 3 | 4 | 5 6 | 7 | 8 | 9 | 10 | 11 | 12 13 | 14 | 15 | 16 | 17 | 18 | 19 20 | 21 | 22 | 23 | 24 | 25 | 26
In May 2024, Sundays fall on: 5, 12, 19, 26. Total: 4.

Question 16

In the following calendar grid for January 2029, how many Mondays are there? Mon Tue Wed Thu Fri Sat Sun 1 | 2 | 3 | 4 | 5 | 6 | 7 8 | 9 | 10 | 11 | 12 | 13 | 14 15 | 16 | 17 | 18 | 19 | 20 | 21 22 | 23 | 24 | 25 | 26 | 27 | 28 29 | 30 | 31 | | | |
In January 2029, Mondays fall on: 1, 8, 15, 22, 29. Total: 5.

Question 17

If 1 January 2019 was a Tuesday, what day was 1 July 2019?
Calculated via Zeller's congruence: 1/7/2019 falls on Monday.

Question 18

If 04-01-2025 is a Saturday, what day is 03-02-2025?
30 days later: day shifts by 2 days. Saturday + 2 days = Monday.

Question 19

If 18-11-2015 is a Wednesday, what day is 16-05-2016?
180 days later: day shifts by 5 days. Wednesday + 5 days = Monday.

Question 20

In 2036, on which date does Easter Sunday fall?
Easter Sunday in 2036 falls on April 13.
Previous Worksheet Next Worksheet