Question 1
How many Thursdays are there in September 2023?
September 2023 has 4 Thursdays
Calendar Problems - Intermediate Level: day determination INTERMEDIATE
Comprehensive weakness targeting worksheet covering 20 intermediate-level calendar problems problems. Worksheet 18 of 30 emphasizes day determination. Master month puzzles, year logic, leap year calculations through detailed explanations. Difficulty: moderate complexity with mixed patterns. Tailored for mid-level preparation.
What you'll learn in this worksheet:
- Achieve proficiency in month puzzles by completing this worksheet
- Develop strong year logic skills with practical problems
- Improve your calendar problems solving speed through weakness targeting
- Gain confidence in identifying leap year calculations patterns
- Master real-world applications of day determination
Your progress through Calendar Problems
Worksheet 18 of 30 (60% complete)
Question 2
What day of the week was 31 December 1900 (the last day of the 19th century)?
31 December 1900 was a Monday. Note: Century years divisible by 400 are leap years, others are not.
Question 3
How many weekend days (Saturdays and Sundays combined) are there in the year 2020?
Year 2020 has 52 Saturdays and 52 Sundays, totaling 104 weekend days.
Question 4
What day of the week was 25 August 1927?
Using Zeller's congruence: 25/8/1927 = Thursday
Question 5
If January 1, 2014 was a Wednesday, what day was January 1, 2025?
January 1, 2025 was a Wednesday. Calendar patterns repeat in cycles due to leap years.
Question 6
How many days are there between 21 April 2023 and 7 July 2025?
The difference between 21 April 2023 and 7 July 2025 is 808 days
Question 7
How many Saturdays are there in September 2022?
September 2022 has 4 Saturdays
Question 8
If 18 December 2018 was a Tuesday, what day will 18 December 2022 be?
18 December 2022 will be a Sunday
Question 9
What day of the week was 3 September 2021?
Using calendar calculation, 3 September 2021 was a Friday.
Question 10
If January 1, 2019 was a Tuesday, what day was January 1, 2030?
January 1, 2030 was a Tuesday. Calendar patterns repeat in cycles due to leap years.
Question 11
In the calendar for August 2022, how many Wednesdays 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 August 2022, the Wednesdays fall on: 3, 10, 17, 24, 31. Total: 5.
Question 12
If January 1, 2008 was a Tuesday, what day was January 1, 2036?
January 1, 2036 was a Tuesday. Calendar patterns repeat in cycles due to leap years.
Question 13
How many days are there between 17 January 2024 and 22 April 2025?
The difference between 17 January 2024 and 22 April 2025 is 461 days
Question 14
On which date does New Year's Day fall in 2002?
New Year's Day falls on 01 January 2002.
Question 15
What day of the week was 8 April 2083?
Using Zeller's congruence: 8/4/2083 = Thursday
Question 16
What is the fiscal year for the date 01-06-1994 (assuming April-March fiscal year)?
Fiscal year starts in April. Since month is 6 (June), it belongs to FY1994-1995.
Question 17
If someone was born on 22 November 2002 (a Friday), what day of the week will their birthday be in 2029?
The birthday 22 November 2029 falls on a Thursday.
Question 18
What day of the week was 4 June 2010?
Using calendar calculation, 4 June 2010 was a Friday.
Question 19
In the calendar for November 2020, 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
In November 2020, the Thursdays fall on: 5, 12, 19, 26. Total: 4.
Question 20
A person was born on 29 July 2005. What is their age on 24 August 2021?
Born 29 July 2005, age on 24 August 2021 is 16 years
💪 Progress update: 58% complete. Worksheet 18 awaits!