Calendar and Timeline - Orchids The International School
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Time

Calendar and Timeline

Days of the Weeks

  • There are seven days in a week.
  • Given below are the names of the days in a week.
Boy

Months

  • There are 12 months in a year.
  • Each month has either 28, 29, 30, or 31 days.
  • Each month has either 4 or 5 weeks.
  • Given below are the names of the month in a year along with the number of days.
    Boy
  • There are 365 days or 366 days in a year.
  • January and December are the first and the last month of the year.
  • February is the shortest month of the year.

Calendar

  • A calendar is a chart of pages that represents the days, weeks, and months of a specific year.
  • With the help of the calendar, we can keep the track of the events such as exam, vacations, festivals, etc.
  • Given below is the calendar for the year 2022.
Boy

Leap Year

  • To maintain the calendar in alignment with the earth’s revolution around the sun a leap day is required.
  • A leap day is a day added to the shortest month, i.e., February in the leap year.
  • In an ordinary year, February has 28 days but in a leap year, February has 29 days.
  • Therefore, in a leap year there are 366 days that occur every fourth year.

Method to check if the year is a leap year or not a leap year:

To check if the year is the leap year, divide the year by 4. If it is completely divisible by 4 then the year is the leap year.

  • For example, 2024 when divided by 4 leaves no remainder. Therefore, 2024 was a leap year.
  • Exception:To check if the century year is a leap year, divide the year by 400. If it is divisible by 400 then the year is a leap year.

  • For example, 2000 when divided by 400 leaves no remainder. Therefore, 2000 was a leap year.

Dates

The calendar helps us to keep a record of the time of the events in the form of dates.

Look below the format of the dates.

  • DD: It represents the days of the month. It can vary from 01 to 31.
  • MM: It represents the months of the year. It can vary from 01 to 12.
  • YY: It represents the last two digits of the year.
Boy

For example, The 28 March 2022 can be written as 03/ 28/ 22 or 03/28/2022.

Ordinal Numbers

  • An ordinal number is defined as the number which describes the position in the series.
  • For example, 1 is written as “first” or 1st; 2 is written as second or 2nd, and so on.
  • We use the ordinal number to write a date.
  • For example, 25/12/20 is written as 25th of December 2020.
  • The list of ordinal numbers from days 1 to 31 is shown below:
Boy

Did you know?

Boy

Fun facts:

The sum of the number of days in 5 consecutive months (excluding February) is always equal to 153.
For example:
March: 31
June: 30
July: 31
August 31
September: 30
Sum = 31 + 30 + 31 + 31 + 30 = 153.

Boy
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