Question 1
What is the fiscal year for the date 02-04-1991 (assuming April-March fiscal year)?
Fiscal year starts in April. Since month is 4 (April), it belongs to FY1991-1992.
Calendar Problems - Beginner-Intermediate Level: calendar arithmetic BEGINNER-INTERMEDIATE
Quick intensive drill ★ session: 20 beginner-intermediate-level calendar problems questions. Worksheet 7 of 30 - Focus: calendar arithmetic. Practice calendar arithmetic, date finding, calendar puzzles with instant feedback. Great for developing students needing building on fundamentals with moderate challenges practice.
What you'll learn in this worksheet:
- Start with calendar arithmetic fundamentals and build up
- Progress to advanced date finding problem-solving
- Challenge yourself with intensive drill ★ scenarios
- Deepen understanding of calendar puzzles concepts
- Complete the calendar arithmetic mastery track
Your progress through Calendar Problems
Worksheet 7 of 30 (23% complete)
Question 2
On which date does Halloween fall in 2002?
Halloween falls on 31 October 2002.
Question 3
How many odd days are there from 01-01-2017 to 17-12-2020 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 1447. Odd days = 1447 mod 7 = 5.
Question 4
How many Saturdays are there in December 2025?
December 2025 has 4 Saturdays
Question 5
How many days are there in December 2001?
December 2001 has 31 days.
Question 6
A person was born on 3 December 2007. What is their age on 9 December 2029?
Born 3 December 2007, age on 9 December 2029 is 22 years
Question 7
How many odd days are there between 1 January 1978 and 1 January 1990 (excluding the start date)?
Years from 1978 to 1989 inclusive. Total days = 4383. Odd days = 4383 mod 7 = 1
Question 8
What is the fiscal year for the date 16-02-1990 (assuming April-March fiscal year)?
Fiscal year starts in April. Since month is 2 (February), it belongs to FY1989-1990.
Question 9
If today is Sunday, what day will it be 36 days later?
Starting from Sunday (6), after 36 days: (6 + 36) mod 7 = 0 = Monday
Question 10
How many days are there from the beginning of January to the end of February in 2002?
From January to February in 2002: 59 days total.
Question 11
In which ISO week does 09 August 2006 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. 09-08-2006 is in week 32.
Question 12
On which date does New Year's Day fall in 2025?
New Year's Day falls on 01 January 2025.
Question 13
If 17 January 2015 was a Saturday, what day will 1 April 2015 be?
The gap is 74 days. 74 mod 7 = 4 days shift. Saturday + 4 days = Wednesday
Question 14
What day of the week was 28 October 2063?
Using Zeller's congruence: 28/10/2063 = Sunday
Question 15
Which year after 2085 has the exact same calendar as 2085?
The calendar repeats when January 1 falls on the same day and leap status matches. 2091 satisfies this.
Question 16
If someone was born on 17 March 1995 (a Friday), what day of the week will their birthday be in 2029?
The birthday 17 March 2029 falls on a Saturday.
Question 17
How many odd days are there from 01-01-1996 to 13-07-1997 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 560. Odd days = 560 mod 7 = 0.
Question 18
A person was born on 4 February 1998. What is their age on 27 January 2027?
Born 4 February 1998, age on 27 January 2027 is 28 years
Question 19
How many odd days are there from 01-01-2005 to 20-04-2009 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 1571. Odd days = 1571 mod 7 = 3.
Question 20
What is the fiscal year for the date 26-09-1997 (assuming April-March fiscal year)?
Fiscal year starts in April. Since month is 9 (September), it belongs to FY1997-1998.
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