# Best answer: How do you solve calendar and clock?

Contents

## How do you solve calendar and clock problems?

Counting of Odd Days

1. 1 ordinary year = 365 days = (52 weeks + 1 day.)
2. 1 ordinary year has 1 odd day.
3. 1 leap year = 366 days = (52 weeks + 2 days)
4. 1 leap year has 2 odd days.
5. 100 years = 76 ordinary years + 24 leap years = (76 × 1 + 24 × 2) odd days = 124 odd days. …
6. Number of odd days in 100 years = 5.

## How do you calculate clock and calendar?

Quick Looks:

1. 60-minute space = 360° = 1 hour.
2. 1-minute space = 6° = 1 minute.
3. 5-minute space = 6° x 5 = 30° = 5 minutes.
4. Right Angle or Perpendicular = 15-minute spaces apart.
5. Right Angle or Perpendicular = 22 times in 12 hours or 44 times in 24 hours (1 day)
6. Straight Angle or Straight Line or 180° = 30-minute space apart.

## How do you calculate calendar sums?

Calendar Aptitude Tricks

1. 100 years give us 5 odd days as calculated above.
2. 200 years give us 5 x 2 = 10 – 7 (one week) 3 odd days.
3. 300 years give us 5 x 3 = 15 – 14 (two weeks) 1 odd day.
4. 400 years give us {5 x 4 + 1 (leap century)} – 21} (three weeks) 0 odd days.
5. Month of January gives us 31 – 28 = 3 odd days.

## How do you solve a clock question?

Basic Concept of Clocks:

A clock is a complete circle having 360 degrees. It is divided into 12 equal parts i.e. each part is 360/12 = 30°. As the minute hand takes a complete round in one hour, it covers 360° in 60 minutes. In 1 minute it covers 360/60 = 6°/ minute.

## What is the formula of calendar?

1 ordinary year = 365 days = (52 weeks + 1 day.) 1 ordinary year has 1 odd day. 2. 1 leap year = 366 days = (52 weeks + 2 days) ∴ 1 leap year has 2 odd days.

## What is a calendar clock?

: a clock that shows the days of the week and month, phases of the moon, and sometimes other phenomena in addition to hours, minutes, and seconds.

## Why do we use clocks and calendars?

We can mark time from the stopwatch precision of the Olympic games to our daily schedules of work. We can even date geological events that happened millions or billions of years ago. To do this, modern humans have had to devise increasingly sophisticated clocks, calendars, and timetables.

## Which two months in a year have the same calendar?

April, July have the same calendar in the year. Hence, “April, July” is the correct answer.

## How are date problems calculated?

Let us take 1st January 2008(leap year) as another example.

1. Take the last 2 digits of the year. …
2. Divide it by 4 and discard any remainder. …
3. Add the day of the month. …
4. The month in our example is January, which has the key value of 1. …
5. Since the date is in January of a leap year, subtract 1 from step 4 i.e. 04 – 01 = 03.
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## How do I find the same calendar month?

If the period between the two months is divisible by 7, then that two months will have the same calendar. Hence, April and July months will have the same calendar.

## What is the angle at 3 30?

Answer: The angle between the hour hand and minute hand at 3:30 P.M. is 90o.

## What is the time between 4 o’clock and 5?

Description for Correct answer: Between 4 and 5 o ‘clock the hands of the clock will be at right angle once. When the two hands are at right angles, they are 15 minutes space apart. When the minutes hand is 15 minute space ahead of the hour hand.