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Important Points about Calendar 

 A year divisible by 4 is a leap year 

In case of century, leap year is that which is divisible by 400

There are 365 days in an ordinary year, so there are 52 weeks+1 day. Hence, an ordinary yea

contain 1 odd day.

There are 366 days in a leap year. Hence a leap year contain 2 odd days.

There are 28 days in February in an ordinary year while in leap year there are 29 days in February.

There are 28 days in February in an ordinary year while in a leap year there are 29 days in February.

The day of week on 1st  Jan 1 AD is Monday

 After 11 years the calendar is repeated

Important Points about Clock

The minute hand is also called, the long hand while hour hand is known as short hand.

In every one hour, the minute hand gains 55 minutes on the hour hand

The hands are in the same straight-line when they are opposite to each other or coincident

In every hours hands coincide once

The hands coincides 11 times in every 12 hours

The minute hand moves 3600 in 1 hour while hour moves 300 in 1 hour 

Example 1:  Sita remembers that her brother Anuj’s birthday was after 15th  but before 20th  September

while her mother remembers that Anuj’s birthday was after 17th  but before 19th  September. On which date

of September was Anuj’s birthday.

Solution:  According to Sita:

 According to her mother:

 According to both common days is 18th.

Hence, Anuj's birth was on 18th September.

Example 2: If 22nd August is Sunday, What day was on 22 days before?

Solution: Difference of No. of days = 22

No. of odd days = 1

[Because 22/7 = 3 + 1]

1 day before Sunday is Saturday.

8/20/2019 Some Important Point to Be Remembered About Calendar and Clock Questions in Reasoning Section

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1/19/2016 Some Important Point to be remembered about Calendar and Clock Questions in Reasoning Section

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Hence, it will be Saturday before 22 days.