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\ 03-Oct-2025 Bharat Arora Proof-10 Reader’s Sign _______________________ Date __________

calendaR • For this reason, the years 1700, 1800, and 1900 were not leap years. But the years

A calendar is a chart which shows days, dates, weeks and months in a year. 1600 and 2000 were leap years.

CALENDAR Practice time 10e
CALENDAR

1. Look at the calendar.
JANUARY FEBRUARY MARCH APRIL

Su M T W Th F Sa Su M T W Th F Sa Su M T W Th F Sa Su M T W Th F Sa
1 2 3 4 1 30 31 1 1 2 3 4 5
5 6 7 8 9 10 11 2 3 4 5 6 7 8 2 3 4 5 6 7 8 6 7 8 9 10 11 12
12 13 14 15 16 17 18 9 10 11 12 13 14 15 9 10 11 12 13 14 15 13 14 15 16 17 18 19
19 20 21 22 23 24 25 16 17 18 19 20 21 22 16 17 18 19 20 21 22 20 21 22 23 24 25 26
26 27 28 29 30 31 23 24 25 26 27 28 23 24 25 26 27 28 29 27 28 29 30
MAY JUNE JULY AUGUST

Su M T W Th F Sa Su M T W Th F Sa Su M T W Th F Sa Su M T W Th F Sa
1 2 3 1 2 3 4 5 6 7 1 2 3 4 5 31 1 2
4 5 6 7 8 9 10 8 9 10 11 12 13 14 6 7 8 9 10 11 12 3 4 5 6 7 8 9
11 12 13 14 15 16 17 15 16 17 18 19 20 21 13 14 15 16 17 18 19 10 11 12 13 14 15 16
18 19 10 21 22 23 24 22 23 24 25 26 27 28 20 21 22 23 24 25 26 17 18 19 20 21 22 23
25 26 27 28 29 30 31 29 30 27 28 29 30 31 24 25 26 27 28 29 30

SEPTEMBER OCTOBER NOVEMBER DECEMBER Su M T W Th F Sa Su M T W Th F Sa Su M T W Th F Sa Su M T W Th F Sa
1 2 3 4 5 6 1 2 3 4 30 1 1 2 3 4 5 6
7 8 9 10 11 12 13 5 6 7 8 9 10 11 2 3 4 5 6 7 8 7 8 9 10 11 12 13
14 15 16 17 18 19 20 12 13 14 15 16 17 18 9 10 11 12 13 14 15 14 15 16 17 18 19 20
21 22 23 24 25 26 27 19 20 21 22 23 24 25 16 17 18 19 20 21 22 21 22 23 24 25 26 27
28 29 30 26 27 28 29 30 31 23 24 25 26 27 28 29 28 29 30 31
Write:

(a) the number of months that have exactly 30 days.
• A year is made up of 12 months and has 365 days in total.
Be Aware (b) the number of months that have 31 days.
• January is the first month and December is the last month of There are 52 (c) two consecutive months having the same number of days in a year.

the year. Some months have 30 days and some months have complete weeks in
31 days. February is a special month with only 28 or 29 days. a year. (d) the total number of Fridays in the year.

• January, March, May, July, August, October and December have 31 days each. (e) all the months with 5 Saturdays and 5 Sundays.

• The following months have 30 days: April, June, September and November. (f) the first day of the year.
• Each month is divided into weeks and each week has seven days, namely, Sunday, (g) the last day of the year.

Monday, Tuesday, Wednesday, Thursday, Friday and Saturday.

• A leap year is the year in which the month of February has 29 days. It comes every 2. Tick () the leap years and cross () the years which are not leap years.
four years and has 366 days. 1200 1800 2018 2016 2023 1750 2024

Rules of a leap year: Think Tank Critical Thinking

• A year may be a leap year if it is divisible by 4. Is every year ending WRiting dates
• Century years such as 1900 or 2000 are not leap in 00 a leap year? When we write a date, we give the day’s number (date), the month’s name, and the
Explain why or why
years unless they are also divisible by 400. not. year.

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