Final Cover - For Printing

so accurately for calculation of the interest. In calculation of the number of days in
a specified period, the following points are to be taken into consideration.

• If given as, ‘from this date’ or ‘to this date’ then, both the days are to be included.


• If given as ‘ on’ date, then the particular day is not to be included.


• If given as ‘ ending date’ or ‘ inclusive’ then the last day also must be included.

Eg. : Find the number of days from 2nd January 2003 to 20th September of the
same year.

Month Number of days

January 29

February 28

March 31

April 30

May 31

June 30

July 31

August 31

September 20

Total 261

The idea of calculating the number of days may be taught, when the child is comfortable
with the number of days of each month of a year. This idea can be taught orally,
assisted by necessary text material in Braille.