Reading and Interpreting a Calendar

In reading and interpreting a calendar we need to know days in a week, days in a month and months in a year.

There are 7 days in a week. The first day of the week is Sunday.

The seven days of a week are:

(i) Sunday

(ii) Monday

(iii) Tuesday

(iv) Wednesday

(v) Thursday

(vi) Friday

(vii) Saturday

We also know that there are 12 months in a year. The first month of the year is January.

The 12 months of the year are:

(i) January

(ii) February

(iii) March

(iv) April

(v) May

(vi) June

(vii) July

(viii) August

(ix) September

(x) October

(xi) November

(xii) December

All the months have different numbers of days.

These are the number of days each month has:

(i) January = 31 days

(ii) February = 28/29 days

(iii) March = 31 days

(iv) April = 30 days

(v) May = 31 days

(vi) June = 30 days

(vii) July = 31 days

(viii) August = 31 days

(ix) September = 30 days

(x) October = 31 days

(xi) November = 30 days

(xii) December = 31 days

Thus 7 months have 31 days each; 4 months have 30 days each, only the month of February has 28 days ordinarily. But in a leap year, the month of February has 29 days.

In an ordinary year, the numbers of days are

(7 x 31) + (4 x 30) + (1 x 28)

= 217 + 120 + 28

= 365 days.

But a leap year (in which February is of 29 days) has 217 + 120 + 29 = 366 days.

To remember the number of days in different months, we may remember the following rhyme:

“Thirty days have September, April, June and November.

February alone has twenty eight, all the rest have thirty one.

But leap year coming once in four, February has one day more."

A year which is divisible by 4 is a leap year. As, 1988, 1992, 1996, 2000, 2004 all are divisible by 4, so these are leap years.

A leap year has 366 days and the month of February is of 29 days in such a year.

The calendar of a year shows all the above mentioned facts. We may gather different information with the help of a calendar.

Here is a Calendar for 2011.

Related Concepts

Units for Measuring Length

Measuring Instruments

To Measure the Length of a Line-segment

Perimeter of a Figure

Unit of Mass or Weight

Examples on Unit of Mass or Weight

Units for The Measurement of Capacity

Examples on Measurement of Capacity

Measurement of Time

Read a Watch or a Clock

Antemeridian (a.m.) or Postmeridian (p.m.)

What Time it is?

Time in Hours and Minutes

24 Hour Clock

Units of Time

Examples Units of Time

Time Duration


Reading and Interpreting a Calendar

Calendar Guides us to Know

4th Grade Math Activities

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