Calendar Problems - Beginner-Intermediate Level: calendar puzzles BEGINNER-INTERMEDIATE

Strategic fast track practice for calendar problems: 20 beginner-intermediate-level problems. Worksheet 9 of 30 - Focus: calendar puzzles. Develop expertise in date calculations, day determination, month puzzles with step-by-step solutions. Ideal for developing learners targeting building on fundamentals with moderate challenges.

📝 Worksheet 9 of 30 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Beginner-intermediate level

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Worksheet 9 of 30 (30% complete)

Question 1

How many weekend days (Saturdays and Sundays combined) are there in the year 2003?
Year 2003 has 52 Saturdays and 52 Sundays, totaling 104 weekend days.

Question 2

A person was born on 11 January 1994. What is their age on 18 September 2030?
Born 11 January 1994, age on 18 September 2030 is 36 years

Question 3

In which ISO week does 12 December 2010 fall? (Note: ISO week definition - Monday start, week 1 contains first Thursday)
ISO week number is calculated with Monday as the first day of week, and week 1 is the week containing the first Thursday. 12-12-2010 is in week 49.

Question 4

What day of the week was 22 February 2021?
Using calendar calculation, 22 February 2021 was a Monday.

Question 5

In the calendar for November 2025, how many Thursdays 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
In November 2025, the Thursdays fall on: 6, 13, 20, 27. Total: 4.

Question 6

How many odd dates are there in August 2030?
August 2030 has 31 days, of which 16 are odd dates

Question 7

If 4 October 2002 was a Friday, what day will 12 November 2002 be?
The gap is 39 days. 39 mod 7 = 4 days shift. Friday + 4 days = Tuesday

Question 8

How many weekend days (Saturdays and Sundays combined) are there in the year 2019?
Year 2019 has 52 Saturdays and 52 Sundays, totaling 104 weekend days.

Question 9

What is the fiscal year for the date 12-07-2023 (assuming April-March fiscal year)?
Fiscal year starts in April. Since month is 7 (July), it belongs to FY2023-2024.

Question 10

How many Thursdays are there in January 2029?
January 2029 has 4 Thursdays

Question 11

In which ISO week does 24 April 2012 fall? (Note: ISO week definition - Monday start, week 1 contains first Thursday)
ISO week number is calculated with Monday as the first day of week, and week 1 is the week containing the first Thursday. 24-04-2012 is in week 17.

Question 12

How many days are there between 12 January 2023 and 14 January 2024?
The difference between 12 January 2023 and 14 January 2024 is 367 days

Question 13

On which date does St. Patrick's Day fall in 2001?
St. Patrick's Day falls on 17 March 2001.

Question 14

How many even dates are there in May 2025?
May 2025 has 31 days, of which 15 are even dates

Question 15

How many days are there between 17 April 2024 and 1 June 2024?
The difference between 17 April 2024 and 1 June 2024 is 45 days

Question 16

What is the date of the 3rd Tuesday in June 2012?
The 3rd Tuesday of June 2012 falls on 19-06-2012.

Question 17

Which years before and after 2058 have the exact same calendar as 2058?
Previous: 2047, Next: 2069

Question 18

If 29 August 2001 was a Wednesday, what day will 7 November 2001 be?
The gap is 70 days. 70 mod 7 = 0 days shift. Wednesday + 0 days = Wednesday

Question 19

Which year before 2078 had the exact same calendar as 2078?
The calendar repeats when January 1 falls on the same day and leap status matches. 2067 satisfies this.

Question 20

What is the fiscal year for the date 20-06-2029 (assuming April-March fiscal year)?
Fiscal year starts in April. Since month is 6 (June), it belongs to FY2029-2030.
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