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A Calendar is a systematic arrangement of days, weeks, and months in a defined pattern with which we can easily recognize the required date, month, or week of a particular day. Different types of questions that are asked from the Calendar reasoning section are finding the day on a particular date when reference date is given, finding the day on a particular date when reference day is not given, and finally finding a week day on the basis of another week day. Before understanding the types of questions asked for this section along with the tips and tricks for the same, candidates need to know some of the key concepts regarding the Calendar section.
Points to Remember
- Day: It is the smallest unit of the calendar. A day is the 7th part of a week and it has 24 hours.
- Week: A week is a combination of 7 days such as Sunday, Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. A week is the 52nd part of a year.
- Month: A month has 28/29/30/31 days. A month is the 12th part of a year.
- Year: Year is the time taken by Earth to make one revolution around the Sun. A year is the 100th part of a century.
- Date: In general, date is a name given to each day. Date is the 28th /29th /30th /31st part of a month. Date is also the 365th/366th part of a years (Lunar/Leap Year)
- Century: A block of 100 years is called a century.
- Ordinary Year: An ordinary year is a year which has 365 days (52 weeks + 1 odd day). Ordinary years are not divisible by 4.
- Leap Year: A leap year is a year which has 366 days (52 weeks + 2 days). Such years are exactly divisible by 4.
How to Solve Calendar Reasoning Questions – Tips and Tricks
Candidates can find various tips and calendar reasoning tricks from below for solving the questions that may come in competitive exams.
Tip # 1: In an ordinary year, the first day of the months are same for January and October (1-10), April and July (4-7), February, March and November (2-3-11), September and December (9-12)
Tip # 2: In a leap year, the first day of the months are same for January, April, July (1-4-7), February and August (2-8), March and November (3-11), September and December (9-12)
Tip # 3: The first day of the century must be either Monday, Wednesday, Friday or Saturday. The last day of the century cannot be Tuesday, Thursday or Saturday.
Tip # 4: The same calendar repeats itself when the sum of odd days between the years and months should be zero.
Tip # 5: A leap year calendar repeats in 28 years while the calendar of an ordinary year repeats after 6 or 11 years. So, whenever you get these types of problems, then there is no need to check all the options. You can just eliminate the options in the calendar reasoning questions by using this.
Tip # 6: Remember, in 400 years there are 0 odd days, in 300 years there are 1 odd day, in 200 years there are 3 odd days, in 100 years there are 5 odd days