Question 1
If 14 April 2015 was a Tuesday, what day will 14 April 2025 be?
14 April 2025 will be a Monday
Calendar Problems - Expert Level: month codes EXPERT
Comprehensive self assessment worksheet covering 20 expert-level calendar problems problems. Worksheet 28 of 30 emphasizes month codes. Master calendar arithmetic, date finding, calendar puzzles through detailed explanations. Difficulty: challenging problems and time-bound practice. Tailored for expert-level preparation.
What you'll learn in this worksheet:
- Complete coverage of calendar arithmetic topics
- In-depth practice of date finding variations
- Master all self assessment question types
- Thorough understanding of calendar puzzles
- Comprehensive month codes preparation
Your progress through Calendar Problems
Worksheet 28 of 30 (93% complete)
Question 2
If today is Tuesday, what day will it be 50 days later?
Starting from Tuesday (1), after 50 days: (1 + 50) mod 7 = 2 = Wednesday
Question 3
If 3 September 2001 was a Monday, what day will 27 September 2001 be?
The gap is 24 days. 24 mod 7 = 3 days shift. Monday + 3 days = Thursday
Question 4
If 7 October 2002 was a Monday, what day will 22 October 2002 be?
The gap is 15 days. 15 mod 7 = 1 days shift. Monday + 1 days = Tuesday
Question 5
If January 1, 2003 was a Wednesday, what day was January 1, 2014?
January 1, 2014 was a Wednesday. Calendar patterns repeat in cycles due to leap years.
Question 6
How many days are there between 24 October 2023 and 28 December 2023?
The difference between 24 October 2023 and 28 December 2023 is 65 days
Question 7
If 14 June 2010 was a Monday, what day will 3 July 2010 be?
The gap is 19 days. 19 mod 7 = 5 days shift. Monday + 5 days = Saturday
Question 8
In the calendar for January 2022, how many Fridays 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 January 2022, the Fridays fall on: 7, 14, 21, 28. Total: 4.
Question 9
In the calendar for February 2028, how many Fridays 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 February 2028, the Fridays fall on: 4, 11, 18, 25. Total: 4.
Question 10
How many days are there between 23 October 2022 and 23 July 2024?
The difference between 23 October 2022 and 23 July 2024 is 639 days
Question 11
How many Saturdays are there in September 2026?
September 2026 has 4 Saturdays
Question 12
What day of the week was 22 June 1956?
Using Zeller's congruence: 22/6/1956 = Friday
Question 13
How many weekend days (Saturdays and Sundays combined) are there in the year 2026?
Year 2026 has 52 Saturdays and 52 Sundays, totaling 104 weekend days.
Question 14
How many even dates are there in May 2022?
May 2022 has 31 days, of which 15 are even dates
Question 15
If 6 March 2007 was a Tuesday, what day will 8 April 2007 be?
The gap is 33 days. 33 mod 7 = 5 days shift. Tuesday + 5 days = Sunday
Question 16
What day of the week was 25 December 1943?
Using Zeller's congruence: 25/12/1943 = Saturday
Question 17
How many days are there in August 2009?
August 2009 has 31 days.
Question 18
What is the date of the 2nd Monday in January 2016?
The 2nd Monday of January 2016 falls on 11-01-2016.
Question 19
How many days are there from the beginning of January to the end of December in 2019?
From January to December in 2019: 365 days total.
Question 20
How many odd days are there between 1 January 1919 and 1 January 1961 (excluding the start date)?
Years from 1919 to 1960 inclusive. Total days = 15341. Odd days = 15341 mod 7 = 4
📈 Building expertise: Worksheet 28 of 30 in Calendar Problems.