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Calendar Problems - Advanced Level: odd days ADVANCED

Master calendar problems concepts through this hard problem set practice set. Worksheet 26 of 30 contains 20 advanced-level problems. Deep dive into odd days while learning year logic, leap year calculations, calendar arithmetic. Recommended for advanced learners aiming for complex scenarios and multi-step problems.

📝 Worksheet 26 of 30 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Advanced level

What you'll learn in this worksheet:
Your progress through Calendar Problems
Worksheet 26 of 30 (86% complete)

Question 1

In which ISO week does 19 March 1996 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. 19-03-1996 is in week 12.
week-number, iso, calendar

Question 2

How many even dates are there in October 2022?
October 2022 has 31 days, of which 15 are even dates
counting, basic

Question 3

What is the date of the 2nd Wednesday in July 2021?
The Wednesdays in July 2021 fall on: 7, 14, 21, 28. The 2nd one is 14.
nth-weekday, date-finding

Question 4

What is the fiscal year for the date 24-05-2010 (assuming April-March fiscal year)?
Fiscal year starts in April. Since month is 5 (May), it belongs to FY2010-2011.
fiscal, international, calendar

Question 5

What day of the week was 31 December 2300 (the last day of the 23rd century)?
31 December 2300 was a Monday. Note: Century years divisible by 400 are leap years, others are not.
century, last-day

Question 6

If 23 July 2013 was a Tuesday, what day will 23 July 2023 be?
23 July 2023 will be a Sunday
patterns, complex

Question 7

How many odd days are there from 01-01-2022 to 27-03-2023 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 451. Odd days = 451 mod 7 = 3.
odd-days, ssc, railways

Question 8

How many odd days are there between 1 January 1908 and 1 January 1926 (excluding the start date)?
Years from 1908 to 1925 inclusive. Total days = 6575. Odd days = 6575 mod 7 = 2
odd-days, ssc, advanced

Question 9

If January 1, 2013 was a Tuesday, what day was January 1, 2019?
January 1, 2019 was a Tuesday. Calendar patterns repeat in cycles due to leap years.
patterns, cycles

Question 10

How many days are there between 11 February 2020 and 11 December 2020?
The difference between 11 February 2020 and 11 December 2020 is 304 days
difference, calculation

Question 11

If someone was born on 1 July 1998 (a Wednesday), what day of the week will their birthday be in 2020?
The birthday 1 July 2020 falls on a Wednesday.
birthday, calculation

Question 12

What is the date of the 1st Wednesday in August 2021?
The 1st Wednesday of August 2021 falls on 04-08-2021.
nth, weekday, calendar

Question 13

How many days are there from the beginning of May to the end of August in 2006?
From May to August in 2006: 123 days total.
basic, counting

Question 14

How many even dates are there in July 2028?
July 2028 has 31 days, of which 15 are even dates
counting, basic

Question 15

How many weekend days (Saturdays and Sundays combined) are there in the year 1990?
Year 1990 has 52 Saturdays and 52 Sundays, totaling 104 weekend days.
weekends, algorithmic, calendar

Question 16

If 29 December 2017 was a Friday, what day will 29 December 2020 be?
29 December 2020 will be a Tuesday
patterns, complex

Question 17

If the days of the week are coded as {'Monday': 'Zeta', 'Tuesday': 'Alpha', 'Wednesday': 'Gamma', 'Thursday': 'Delta', 'Friday': 'Theta', 'Saturday': 'Epsilon', 'Sunday': 'Omega'}, what is the code for Monday?
Monday is coded as Zeta.
coding, decoding, bank

Question 18

If 26 November 2013 was a Tuesday, what day will 13 December 2013 be?
The gap is 17 days. 17 mod 7 = 3 days shift. Tuesday + 3 days = Friday
date-difference, shift

Question 19

On which date does St. Patrick's Day fall in 2020?
St. Patrick's Day falls on 17 March 2020.
festival, holiday, fixed-date

Question 20

What is the fiscal year for the date 20-08-2025 (assuming April-March fiscal year)?
Fiscal year starts in April. Since month is 8 (August), it belongs to FY2025-2026.
fiscal, international, calendar
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