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Calendar Reasoning - Expert Level: month codes EXPERT

Comprehensive self assessment worksheet covering 20 expert-level calendar reasoning problems. Worksheet 28 of 30 emphasizes month codes. Master calendar cycles, Gregorian calendar, historical dates through detailed explanations. Difficulty: challenging problems and time-bound practice. Tailored for expert-level preparation.

📝 Worksheet 28 of 30 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Expert level

What you'll learn in this worksheet:
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Worksheet 28 of 30 (93% complete)

Question 1

Which financial quarter and semester does 07-11-2038 fall in? (Note: Indian fiscal year starts April 1, where April-May-June = Q1/Semester 1, July-Aug-Sep = Q2/Semester 1, Oct-Nov-Dec = Q3/Semester 2, Jan-Feb-Mar = Q4/Semester 2)
For 07-11-2038: Fiscal Year 2038-2039, Quarter 3, Semester 2.
fiscal, quarter, semester

Question 2

How many odd days are there in 100 years starting from 1945? (Note: Odd days = remainder when total days are divided by 7)
Total days = 75×365 + 25×366 = 36525 days. Odd days = 36525 mod 7 = 6.
odd-days, span

Question 3

In the calendar for Oct 2022, if the 1st falls on a Saturday, on which weekday will the 15th fall?
15th is 14 days later: (5+14)%7=5, so Saturday.
grid, position

Question 4

In the calendar for Aug 2020, if the 1st falls on a Saturday, on which weekday will the 15th fall?
15th is 14 days later: (5+14)%7=5, so Saturday.
grid, position

Question 5

Which financial quarter and semester does 12-02-2030 fall in? (Note: Indian fiscal year starts April 1, where April-May-June = Q1/Semester 1, July-Aug-Sep = Q2/Semester 1, Oct-Nov-Dec = Q3/Semester 2, Jan-Feb-Mar = Q4/Semester 2)
For 12-02-2030: Fiscal Year 2029-2030, Quarter 4, Semester 2.
fiscal, quarter, semester

Question 6

In 2022, on which date does Easter Sunday fall?
Easter Sunday in 2022 falls on April 17.
festival, holiday

Question 7

If tomorrow is not Saturday, which day CANNOT be today?
If today were Friday, then tomorrow would be Saturday, which contradicts the condition.
conditional, logic

Question 8

A code says: 24/5 = Saturday. What does 24/6 equal? (Use same year)
Next month same date: calculated day_name(24,6,2025)=Tuesday.
pair, month

Question 9

After how many years will the calendar for 1844 repeat exactly?
The calendar for 1844 repeats after 28 years because the day pattern and leap year cycle align.
calendar-cycle, repeat

Question 10

In the following calendar grid for February 2024, 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
In February 2024, Fridays fall on: 2, 9, 16, 23. Total: 4.
grid, visual

Question 11

In the calendar for Jul 2023, if the 1st falls on a Saturday, on which weekday will the 15th fall?
15th is 14 days later: (5+14)%7=5, so Saturday.
grid, position

Question 12

If 01-11-2024 is a Friday, what day is 01-12-2024?
30 days later: day shifts by 2 days. Friday + 2 days = Sunday.
chain, multi-step

Question 13

If 07-01-2016 is a Thursday, what day is 06-01-2018?
730 days later: day shifts by 2 days. Thursday + 2 days = Saturday.
chain, multi-step

Question 14

If yesterday was not Saturday, which day CANNOT be today?
If today were Sunday, then yesterday would be Saturday, which contradicts the condition.
conditional, logic

Question 15

A code says: 26/9 = Friday. What does 26/10 equal? (Use same year)
Next month same date: calculated day_name(26,10,2025)=Sunday.
pair, month

Question 16

In England, when switching from the Julian to the Gregorian calendar in 1752, September 2 (Julian) was followed directly by which date in the Gregorian calendar?
England switched to the Gregorian calendar after 2 September 1752, skipping 11 days to align with the solar year. Therefore, 3 September became 14 September.
conversion, historical

Question 17

In the following calendar grid for October 2023, how many Sundays 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 October 2023, Sundays fall on: 1, 8, 15, 22, 29. Total: 5.
grid, visual

Question 18

How many days did February have in the year 2030?
Year 2030 had 28 days in February.
leap-year, month

Question 19

If 12-08-2025 is a Tuesday, what day is 11-09-2025?
30 days later: day shifts by 2 days. Tuesday + 2 days = Thursday.
chain, multi-step

Question 20

How many odd days are there in 52 years starting from 1840? (Note: Odd days = remainder when total days are divided by 7)
Total days = 39×365 + 13×366 = 18993 days. Odd days = 18993 mod 7 = 2.
odd-days, span
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