![]() Q8) How many days are there in between 9 th February, 2016 and 10 th March, 2016. Q7) Write down the date of the next leap day in dd/mm/yyyy format. Q6) Write down 6 hours 7 minutes 8 seconds in terms of minutes and seconds. Q5) Write the elapsed time for the following start and end time. How long did he take today to reach town B? Today, he reached town B 45minutes later. Q4) It takes 2 hours 30 minutes for Chinmay to reach town B from town A. It takes 78 hours 19 minutes for the train to reach city B. Q3) A train travels from city A to city B. If she wants reach the airport by 10:00 am, what time should she leave her house? Q2) It takes 3 hours 45 minutes for Bani to reach the airport from her house. Q1) Aryan started his homework at 1:23 pm. To convert a time greater than 12 in 24-hour format, subtract 12 from it to obtain the same time in 12-hour format.To convert pm into 24-hour format, add 12:00 to the time given in pm.The times in am in 12-hour format will be equal to 24-hour format.am will be same), then the result is in 24- hour format. EXAMPLE 2: Write 1:23 pm in 24-hour format.Comparison of 12-hour and 24-hour conventions of time.pm stands for ‘post meridiem’, which is Latin for ‘after midday’. In 12-hour format, am stands for ‘anti meridiem’, which is Latin for ‘before midday’.Time can be represented in two formats: 24-hour format and 12-hour format.In subtraction, 1 year borrow from years position is added as 12 months in months position Time Intervals Note: In addition of dates, 12months generates a carry of 1 year which is added in years position. 1 year(compensation for the borrowed 12 months) So, we have to subtract 1 year from years position. But we took 1 year (12 months) borrow from years position. Now, -3+12(borrowed months) = 9 months.So, we will take 12 months (1 year) borrow from years position.Subtract the digit in the months position.+1 year( extra 12 months from months position) Write 1 month in months position and add the remaining 1 year to the (7+4) years in the years position.So, we will consider 13months= (12 months + 1 months) = ( 1 year + 1 month).Subtract 4 years 5 months from 7 years 2 months Hence, total number of days between September 23 and October 10= (7+10) days = 17 days ĮXAMPLE 2: Add 4 years 5months add 7 years 8 months. Number of days left to complete September= (30-23) days= 7 days We are considering the first 10 days of October. Trivia: Easy way to remember which months have 31 days & which have 30 days Consider the knuckles of your handĮXAMPLE 1: How many days are there from September 23 to October 10. For example, In the year 1996, February has 29 days because 1996 is a leap year. February has 28 days but during a leap year it has 29 days. April, June, September, and November have 30 days. ![]() January, March, May, July, August, October, and December have 31 days. ![]() For example, 1996÷4=499 with remainder 0. ![]() How do you know if a year is leap year? If a particular year can be divided by 4 leaving zero remainder, then the year is a leap year. Leap years occur at an interval of 4 years. The extra day occurs in the month of February. Therefore, Date of Birth= Finding number of days Hence, 4 hours 5minutes 60 seconds in terms of second is 14760 seconds.ĮXAMPLE 2: Neha’s date of birth is the thirtieth day of the eighth month of the year nineteen ninety-six. When we convert lower units of time to higher units, we divide.ĮXAMPLE 1: Write 4 hours 5 minutes 60 seconds in terms of seconds.Ĭonverting hours & minutes into seconds we get:Ĥ hours= 4X60 minutes= 4X60X60 seconds= 14400 secondsĥ minutes= 5X60 seconds= 300 seconds Adding all the units in seconds term we get: = (14400+300+60) seconds =14760 seconds
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