Calendar Guides us to Know

How the calendar guides us to know?

The calendar guides us to know: 

(i) The date following a definite day. 

(ii) The day following a definite date. 

(iii) The total number of Sundays in a month. 

(iv) Any particular day comes again after 7 days of the month. If it is Tuesday on 7th of January, then the next Tuesday will be 7 + 7 = 14th of January. 

(v) The number of days in a month, as January has 31 days and September has 30 days. 

(vi) There are 365 days in a year except in a leap year. 

Here is a calendar for the month of January 2012. 

As an example we will read and interpret the following facts expressed by this calendar.


Sun         Mon          Tues          Wed          Thurs          Fri          Sat

  1             2               3              4               5              6            7

  8             9              10            11              12            13          14

 15           16              17            18              19            20          21

 22           23              24            25              26            27          28

 29           30              31

1. How many days are there in the month January?


There are 31 days in January.

2. On which day does the month of January begin?


January begins on Sunday.

3. Which is the first day of the year 20012?


The first day of the year 2012 is Sunday.

4. How many Sundays are there in January 2012?


There are 5 Sundays, the dates being 1, 8, 15, 22 and 29, in January.

5. How many times does Friday come in January 2012?


There are 4 Fridays in January 2012.

6. Find the date falling on the second Saturday.


14th January is the date for the second Saturday.

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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