Question 1
What is the date of the 1st Friday in October 2023?
The Fridays in October 2023 fall on: 6, 13, 20, 27. The 1st one is 6.
Calendar Problems - Intermediate Level: calendar logic INTERMEDIATE
Master calendar problems concepts through this excellence pursuit practice set. Worksheet 16 of 30 contains 20 intermediate-level problems. Deep dive into calendar logic while learning date calculations, day determination, month puzzles. Recommended for mid-level learners aiming for moderate complexity with mixed patterns.
What you'll learn in this worksheet:
- Master date calculations through focused calendar logic practice
- Learn day determination with intermediate-level examples
- Build speed in solving calendar problems using excellence pursuit techniques
- Understand common patterns in month puzzles
- Apply logical thinking to calendar logic scenarios
Your progress through Calendar Problems
Worksheet 16 of 30 (53% complete)
Question 2
What day of the week was 28 April 2004?
Using calendar calculation, 28 April 2004 was a Wednesday.
Question 3
What is the fiscal year for the date 14-04-2017 (assuming April-March fiscal year)?
Fiscal year starts in April. Since month is 4 (April), it belongs to FY2017-2018.
Question 4
What day of the week was 24 May 2099?
Using Zeller's congruence: 24/5/2099 = Sunday
Question 5
How many odd dates are there in October 2020?
October 2020 has 31 days, of which 16 are odd dates
Question 6
Is 2035 a leap year?
2035 is not a leap year because it's not divisible by 4
Question 7
On which date does Valentine's Day fall in 2027?
Valentine's Day falls on 14 February 2027.
Question 8
How many days are there from the beginning of June to the end of September in 2009?
From June to September in 2009: 122 days total.
Question 9
How many odd days are there from 01-01-2005 to 12-03-2010 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 1897. Odd days = 1897 mod 7 = 0.
Question 10
What is the date of the 3rd Thursday in February 2022?
The 3rd Thursday of February 2022 falls on 17-02-2022.
Question 11
What is the date of the 4th Thursday in October 2020?
The Thursdays in October 2020 fall on: 1, 8, 15, 22, 29. The 4th one is 22.
Question 12
Which century does the year 1869 belong to?
Year 1869 belongs to the 19th century (years 1801 to 1900)
Question 13
If 10 January 2019 was a Thursday, what day will 15 February 2019 be?
The gap is 36 days. 36 mod 7 = 1 days shift. Thursday + 1 days = Friday
Question 14
In the calendar for September 2030, how many Tuesdays 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 September 2030, the Tuesdays fall on: 3, 10, 17, 24. Total: 4.
Question 15
In which ISO week does 19 April 2028 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. 19-04-2028 is in week 16.
Question 16
How many days are there from the beginning of February to the end of March in 2018?
From February to March in 2018: 59 days total.
Question 17
How many odd days are there from 01-01-2020 to 10-01-2024 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 1471. Odd days = 1471 mod 7 = 1.
Question 18
What day of the week was 11 June 2076?
Using Zeller's congruence: 11/6/2076 = Thursday
Question 19
How many odd days are there between 1 January 1998 and 1 January 2020 (excluding the start date)?
Years from 1998 to 2019 inclusive. Total days = 8035. Odd days = 8035 mod 7 = 6
Question 20
If 24 May 2016 was a Tuesday, what day will 21 July 2016 be?
The gap is 58 days. 58 mod 7 = 2 days shift. Tuesday + 2 days = Thursday
🎉 You're crushing it! 51% through Calendar Problems mastery. Keep the momentum!