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ORCHIDS The International School

What Is the Time?

Question 1:

Who and Why Has It Decided To Make a Minute of 60 Seconds Instead of 10 or 100 Seconds?

Answer:
  • Many centuries ago, an ancient civilisation called Babylonian decided to make a minute with 60 seconds
  • The number ‘60’ can be derived by multiplying many different numbers such as (1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60).
  • It becomes easy to tell the exact time using the 60-second minute.
  • Therefore, it was decided to make a minute of 60 seconds.
What is time

 

Question 2:

Why Are the Total Days in Each Month Not the Same?
Answer:
  • Our calendar system is based on the total number of days the moon takes to complete its lunar phases.
  • This takes 29.5 days to complete from the new moon to the full moon and back to the new moon.
  • This is not an even number; hence the whole year cannot be divided evenly.
  • So, to make it easy to count the months, some months are with a day extra or less.
days in a month

 

Question 3:

What Is a Leap Year?
Answer:
  • A year is a time required to complete one revolution by Earth around the Sun.
  • Earth takes 365 and 1/4th days to complete a revolution around the Sun.
  • This extra 1/4th day after every four years is counted as one complete day. Hence, every 4 years, we have 1 extra day in the year that is added to February.
  • Hence, in every leap year, we have 29 days in February and 366 days in the year instead of 365,
what is leap year
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