Puzzles - Calendar
Introduction
Calendar puzzles involve calculations based on days, months, leap years, and the correlation between English and Indian months.
Explanation Step by Step
To master these puzzles, use the following tables for quick reference on days and matching months.
Month Classification and Day Count
| English Month | Days | Indian Month | Type |
|---|---|---|---|
| January | 31 | Chaitra | 31 Days |
| February | 28 / 29 | Vaishakh | Variable (Leap Year) |
| March | 31 | Jyeshtha | 31 Days |
| April | 30 | Ashadh | 30 Days |
| May | 31 | Shravan | 31 Days |
| June | 30 | Bhadrapad | 30 Days |
| July | 31 | Ashwin | 31 Days |
| August | 31 | Kartik | 31 Days |
| September | 30 | Margashirsha | 30 Days |
| October | 31 | Paush | 31 Days |
| November | 30 | Magh | 30 Days |
| December | 31 | Phalgun | 31 Days |
Months Falling on the Same Day (Ordinary Year)
| Group | Months with Identical Day/Date Profile |
|---|---|
| Group 1 | February, March, November |
| Group 2 | April, July |
| Group 3 | September, December |
| Group 4 | January, October |
Tricks and Shortcuts
In a leap year, February gains 1 day (29). Any date in March will fall one day later in the week than it would in a normal year.
Common Mistakes
Confusing the sequence of Indian months. Remember Chaitra is usually the first month.
Practice Questions
Easy Questions
- How many days are in the month of August?
- Which month comes after Vaishakh in the Indian calendar?
- How many days are in an ordinary year?
Medium Questions
- If April 1st is a Sunday, which other month starts on a Sunday in the same year?
- Name all English months that have exactly 30 days.
- If today is February 25th in a leap year, how many days are left in the month?
Hard Questions
- If the first day of an ordinary year is Monday, what will be the first day of the next year?
- The sum of ages of A, B, and C is 52 years. What was the sum 5 years ago?
- If June 10th is Friday, find the day of the week for September 10th in the same year.
Revision Summary
Key numbers: 7 (days in week), 365 (normal year), 366 (leap year), 12 (months).
If June 5, 2021 is a Saturday, then what day will June 5, 2022 be?
A
Sunday
B
Monday
C
Saturday
D
Friday
If 10th March is Thursday, then 10th April will fall on which day?
A
Friday
B
Saturday
C
Sunday
D
Monday