# 2nd Class Mathematics Time and Calendar Calendar

## Calendar

Category : 2nd Class

### Calendar

Calendar is the systematic arrangement of dates and months of the year. There are 12 months in a year. The following are the name of the months and their number of days:

 Name of the months Number of days January 31 February 28 or 29 March 31 April 30 May 31 June 30 July 31 August 31 September 30 October 31 November 30 December 31

Look at the given calendar of the year 2012 :

How many months of the year have 30 days?

(a) 6

(b) 4

(c) 7

(d) 9

Fill in the blank from the options given below.

Sunday _____Tuesday.

(a) Saturday

(b) Friday

(c) Monday

(d) None of these

• Hours, minutes and seconds are the units of time.
• Hours > minutes > seconds.
• The year which is divisible by 4 is called a leap year.
• A normal year has 365 days while a leap year has 366 days.

• The clock is one of the oldest human inventions.
• The calendar which we are using currently is called Gregorian calendar.
• Before Gregorian calendar, most of the countries relied on the Julian calendar.
• The Julian calendar creates an error of 1 day every 128 years. The year 2000 was the year of the Dragon according to Chinese calendar.

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