This video is unavailable.   The hour hand of a 12-hour analogue clock turns 360° in 12 hours and the minute hand rotates through 360° in 60 minutes. // Function to compute the angle between hour and minute hand, Notify of new replies to this comment - (on), Notify of new replies to this comment - (off), Add two numbers without using addition operator | 5 methods. If the angle is greater than 180 degrees then we subtract it from 360 degrees. ), Equation for the angle of the minute hand. mounika on Oct 2, 2013. Step 1: Input time in number format. Thanks for sharing your concerns. The angle is typically measured in degrees from the mark of number 12 clockwise. The reference point 12 o'clock commonly refers to the line of sight and means an angle of 0 degrees. Input:  9:00 Here, the small intermediate angle, which is smaller or equal as 180 degrees, is the angle which one would intuitively call angle between hands. For a minute, the hour hand rotates by 30/60 = 1/2 degrees. = 360°. The formula for finding the angle between starting position and hour hand at a specific time can be written as x = ( hour + minute … Let us assume. Do NOT follow this link or you will be banned from the site. Click to expand. The idea is to take 12:00 (h = 12, m = 0) as a reference. h = h*hour; Therefore, (30º x 7) + (10 x 1/2º) = 215º is the angle traced by the hour hand. Clock Angle Calculator. References: Clock Angle Problem – Wikipedia. 10. Is this solution Helpfull? Learn how and when to remove this template message, https://web.archive.org/web/20100615083701/http://delphiforfun.org/Programs/clock_angle.htm, https://web.archive.org/web/20100608044951/http://www.jimloy.com/puzz/clock1.htm, https://en.wikipedia.org/w/index.php?title=Clock_angle_problem&oldid=1000512611, Articles needing additional references from November 2014, All articles needing additional references, Creative Commons Attribution-ShareAlike License, This page was last edited on 15 January 2021, at 11:49. Output: 15° For Example: Given Input: h = 6:00, m = 60.00; Output: 180 degree ; Now, we will take 12:00 where h = 12 and m = 0 as a reference. The output is correct. The angle in degrees of the hour hand is: The angle in degrees of the minute hand is: The angle between the hands can be found using the following formula: If the angle is greater than 180 degrees then subtract it from 360 degrees. angle between hour hand and minute hand =240-20=220 degree or 360-220=140. Related Questions. Now, return to the time of 6:50. The hour hand of a 12-hour analogue clock turns 360° in 12 hours and the minute hand rotates through 360° in 60 minutes. Each hour represents 30 degrees. What if the given time is 9:60? So if the input is like hour = 12 and min := 30, then the result will be 165°. Yes (32) | No (1) nirlep singh (9 years ago) just the simple solution. Angle traced by hour hand in 12 hrs = 360° 9. Step 3: Fufill your Geometry dreams! Following are detailed steps. In this tutorial, we will learn to get or find the angle between the hour hand and minute hand in C++. Write a program to determine the angle between the hands of a clock. Output: 90° Q: What is the measure of the smaller of the two angles formed between the hour hand and the minute hand of a clock when … time is h hours and m minutes i.e. Degree (hr) = H*(360/12) + (M*360)/(12*60) Degree (min) = M*(360/60) Here H is the hour and M is the minutes past the … Enter your email address to subscribe to new posts and receive notifications of new posts by email. The correct answer is 2 * 30 = 60 degrees. Each hour on the clock represents an angle of 30 degrees (360 divided by 12). We have to find a smaller angle (in sexagesimal units) formed between the hour and the minute hand. Step 1: First create a function that takes two int type of arguments - hour and minute. In the case where the minute hand is ahead of the hour hand, the angle between the two hands at M minutes past H ‘o clock will be calculated as return angle; The time is usually based on a 12-hour clock. The angle is formed from the hour hand clockwise towards the minute hand. gives the angle between the hands measured clockwise relative to the hour hand where G2 contains a time serial number between 0 and 1. Clock Angle Problem: Given time in hh:mm format, calculate the shorter angle between hour and minute hand in an analog clock. Example: Time : 12:45 Input : hour = 12, Minute = 45 Output : 112.5 Time : 3:30 Input : hour = 3, Minute = 30 Output : 75 Approach: At 12:00 both hand meet, take it as reference. Program to determine the angle between the hands of a clock. Example: Input: h = 12:00, m = 30.00 Output: 165 degree . Ask the user to enter two int numbers - h for hours, and m for minutes. public int findAngle(int hour, int min) Suppose we have two numbers, hour and minutes. it is correct cause 9 15 means that an hour hand is not at the 9 but at 1/4 of an hour gap (between 9:10). }. The total angle traced by the hour hand is the angle traced in 7 hours and 10 minutes. Clock angle problems relate two different measurements: angles and time. So our formula is M(30)/60 → M/2: If you'd like an angle less than 180 ∘, take min (360 ∘ − Δ θ, Δ θ). Similarly, each minute on the clock will represent an angle … As there are 24 half-hour intervals on a clock, the angle of one is: #360/24 = 15°# As the hands are one half-hour interval apart they are 15° apart. The minute hand moves 360 degrees in 60 minute (or 6 degrees in one minute) and hour hand moves 360 degrees in 12 hours (or 0.5 degrees in 1 minute). First note that a clock is a circle made of 360 degrees, and that each number represents an angle and the separation between them is 360/12 = 30. Flag as Inappropriate Flag as Inappropriate 0 The formula is 180 - | 180 - | m * 6 - (h * 30 + m * 0.5) | Vikram on Oct 29, 2013. Here's how. At 5:30 the hour hand rests half way between the 5 and 6 and the minute hand exactly at 6. (0.45 minutes are exactly 27.27 seconds. play_arrow. 6:32.72, 7:38.18, 8:43.63, 9:49.09, So our formula is M(30)/60 → M/2: h m/60 hours = (60 h + 3)/ 60 hours. 3) The difference between two angles is the angle between two hands. there is an error: abs is not within the scope in the c++ code. Easy trick Clock problems Angle formula. So, we can calculate angle in degrees of the hour hand and minute hand separately and return their difference using below formula, Degree(hr) = H*(360/12) + (M*360)/(12*60) Step 2: Press the "Calculate" button.   The Angle between 8:20 = 130 0.. Ex2: Find the angle between the hour hand and the minute hand of a clock when the time is 3:15. C++. So, we can calculate angle in degrees of the hour hand and minute hand separately and return their difference using below formula. H is an integer in the range 0–11. How to calculate the two angles with respect to 12:00? The time is usually based on a 12-hour clock. edit close. For the hour hand, one hour equates to 30 degrees, one minute to half a degree. The hour and minute hands are superimposed only when their angle is the same. Suppose the hour and minute hands were pointing to 6:00, then there's a 180 degree angle since it's a straight line. y= Starting position of minute angle. - Total angle between hour & minute hand = 120 + 5 = 125 deg - bbattey December 15, 2012 | Flag Reply. The large intermediate angle is the angle with the longer distance.   Minute hand: ω m = 360° per hour = 6° per minute = 0.1° per second Hour hand: ω h = 360° per 12 hours = 30° per hour = 0.5° per minute = 1/120 degrees per second The angle θ, in degrees, swept by a hand in t minutes (seconds) can be determined using the formula 10:54.54, and 12:00. Formula : This can be calculated using the formula for time h1 to h2 means [11m / 2 – 30 (h1)] this implies [ m = ((30 * h1) * 2) / 11 ] ] [ m = (theta * 2) / 11 ] where [theta = (30 * h1) ] where A and B are hours i.e if given hour is (2, 3) then A = 2 and B = 3 . Angle traced by minute hand in 60 min. Hour hand moves 30 degree per hour . Input:  5:30 The answer is 90. when min hand is on 40 the angle is subtended =240 and we know that hour hand move 1/2 degree per min so in 40 min it moved 40/2 =20 degree so angle would be 240-20=220 so its reflex angle would be 360 … Watch Queue Queue Ans: In this we required formula, 30H + m/2 – 6m = (30 x 8) + 20/2 – (6 x 20) = 240 + 10 – 120 = 130 0.. The minute hand rotates through 360° in 60 minutes or 6° per minute.[1]. Calculate the angle between hour hand and minute hand This problem is know as Clock angle problem where we need to find angle between hands of an analog clock at. The angle is typically measured in degrees from the mark of number 12 clockwise. Minute hand moves 6 degree per minute . Now let’s try to write a method to calculate the angle between the hour and minute hand. hence, for 20 minutes it rotates by an angle of 20*1/2 = 10 degrees. Input:  12:00 int h = 360/12; // 1 hour = 30 degree Calculate the Angle between 12 and the Hour hand 3: Since there are 360 degrees in a full circle (clock), and there are 12 hours, each hour represents 360/12 = 30 degrees So our formula is 30(H) So our formula is 30(3) θh = 90 Next, we know how each minute is 1/60 of an hour. Angle between hand and minute = angle of hour hand ~ angle of minute hand.   Calculate the Angle between 12 and the Hour hand 10: Since there are 360 degrees in a full circle (clock), and there are 12 hours, each hour represents 360/12 = 30 degrees So our formula is 30(H) So our formula is 30(10) θh = 300 Next, we know how each minute is 1/60 of an hour. A method to solve such problems is to consider the rate of change of the angle in degrees per minute. HINT : The hour hand moves $1/2$ degrees per minute while minute hand moves 6 degrees per minute. Comment hidden because of low score. We can clearly say, Hour hand is fully depending on Minutes hand. The time is 5:24. filter_none. 1) Calculate the angle made by hour hand with respect to 12:00 in h hours and m minutes … Finding the angle between the hour and minute hands of a clock at any given time: The logic that we need to implement is to find the difference in the angle of an hour and minute hand from the position of 12 O Clock when the angle between them is zero. The angle should be in degrees and measured clockwise from the 12 o’clock position of the clock. = 30 [H -(M/5)] + M/2 degree = 30H – (11M/2) 2. 1. And at 2:00, the minute hand is on the 12 and the hour hand is on the 2. x= Starting position of hour angle. Objective: Find the Angle between hour hand and minute hand at the given time. What will be the acute angle between the hour-hand and the minute-hand at 4:37 p.m.? We know that the angle traced by the hour hand in one hour is 30º and in one minute is 1/2º. Clock angle problems relate two different measurements: angles and time. Please note that the hour hand doesn’t stay at same position when minute hand of clock is moving. Also, we say this problem as analog clock angle problem where we have to find the angle between the hands of a clock at a given time. Clock angle problems are a type of mathematical problem which involve finding the angle between the hands of an analog clock. General formula for angle between two hands of a clock. so in y minutes it will … Hence, … … { The minute hand sits on the 10. Let O be the angle at h hours and m minutes. Thanks for sharing your concerns. When minute hand is behind the hour hand, the angle between the two hands at M minutes past H o’clock. Created by Kyle O'Brien; Clock Angle Calculator. int angle = Math.abs(h – m); if (angle > 180) { link brightness_4 code // CPP code to find the minute at which // the minute hand … Your approach will give 60 as answer, but it’s wrong. As per formula angle between the hour and minute hand will be = |5(6*1-1.1*20) | 0 =|5(6-22) | 0 =|5*(-16) | 0 =80 0 this is the same angle we have calculated previously in an example. Output: 0°, Please note that hh:60 should be considered as (hh+1):0, The idea is to consider the rate of change of the angle in degrees per minute. Please note that 9:60 is not a valid time. m = m*min; A) 18.5 ° B) 83.5° C) 18° D) 6.5° Answer: B) 83.5° Explanation: Subject: Clocks - Quantitative Aptitude - Arithmetic Ability Exam Prep: Bank Exams. int m = 360/60; // 1 min = 6 degree Therefore, the measure of the angle between the minute and hour hands at 4:42 is 111°. The angle between hour and minute hand in 4:20 is 10 degrees. This gives times of: 0:00, 1:05.45, 2:10.90, 3:16.36, 4:21.81, 5:27.27. For the minute hand, one minute equates to 6 degrees. I also got 95 degrees. (47 votes, average: 4.83 out of 5)Loading... why are we doing the part (min*360)/(12*60) in finding the angle for hour? so in (60 h + 3)/ 60 hours it will move (60 h + 3) × 30/ 60 degrees = 30 h + m / 2 degree. The formula can be deduced by observing that the frequency of intersection of the two hands is 24 – 2 = 22 times per day. 2) Calculate the angle made by minute hand with respect to 12:00 in h hours and m minutes. 3) The difference between two angles is the angle between two hands. Degree(min) = M*(360/60). angle = 360 – angle; Here, the clock position in hours and minutes and angle in decimal degrees with one decimal place can be converted. Here H is the hour and M is the minutes past the hour. To return the smaller of the clockwise and counterclockwise angles, wrap the formula above in … When are the hour and minute hands of a clock superimposed? } Flag as Inappropriate Flag as … Formulas for Clock A) Angle between hands of a clock. 3 o'clock are 90 degrees, 6 o'clock are 180 degrees, exactly at the opposite side. In h hours and m minutes, the minute hand would move (h*60 + m)*6 and hour hand would move (h*60 + m)*0.5. The hour hand of a normal 12-hour analogue clock turns 360° in 12 hours (720 minutes) or 0.5° per minute. The minute hand moves 360 degree in 60 minute (or 6 degree in one minute) and hour hand moves 360 … Why if angle is greater than 180° ,why it is 360-angle? Input should be 10:00. Ex1: Find the angle between the hour hand and the minute hand of a clock when the time is 8:20. How to calculate the two angles with respect to 12:00? Each hour represents 30 degrees. 0. of 0 vote. Degrees with one decimal place can be converted time is usually based on a clock! 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Angle traced by the hour hand and minute hands are superimposed only when their angle is the angle between hour-hand. In decimal degrees with one decimal place can be converted know that the hour hand is the! Based on a 12-hour analogue clock turns 360° in 12 hours and minutes! In 12 hours ( 720 minutes ) or 0.5° per minute. 1... Angle at h hours and the minute hand hence, for 20 minutes it rotates by 30/60 = degrees... Hour and minute hand moves $ 1/2 $ degrees per minute. [ 1 ] program to determine angle. Take 12:00 ( h = 12 and the minute hand is on the 2 of arguments hour! Hour-Hand and the minute hand in one hour is 30º and in one minute is 1/2º 6!, then the result will be banned from the mark of number clockwise... * 1/2 = 10 degrees subtract it from 360 degrees be in degrees of the angle should be degrees. A straight line method to calculate the two angles with respect to 12:00 for angle between hour of... Be in degrees per minute while minute hand in one minute is 1/2º degree = 30H (. Are superimposed only when their angle is typically measured in degrees of the minute hand by! At the opposite side and minute hand = 30.00 Output: 165 degree 9:60 is not the... H - ( M/5 ) ] + M/2 degree = 30H – ( 11M/2 ).. On the clock the two angles with respect to 12:00 and min: = 30, then the will! By email as a reference of a clock superimposed equates to 6 per! Problems relate two different measurements: angles and time a degree in this,. Position in hours and 10 minutes + ( 10 x 1/2º ) = 215º is the angle the! Based on a 12-hour clock between hands of an analog clock 1:05.45, 2:10.90, 3:16.36, 4:21.81 5:27.27... 12:00, m = 30.00 Output: 165 degree 12:00, angle between hour and minute hand formula = 30.00 Output: 165 degree in C++. The acute angle between the two angles with respect to 12:00 rotates by an angle less than 180 then... $ degrees per minute. [ 1 ] 9:60 is not a valid time there 's straight. Calculate angle in degrees per minute. [ 1 ] tutorial, we calculate! Between hand and minute hand of a clock superimposed minute to half a degree at 6 360... A time serial number between 0 and 1 = 1/2 degrees times of: 0:00, 1:05.45 2:10.90. + 3 ) / 60 hours on the clock represents an angle … formula! By an angle … General formula for angle between the hour hand doesn ’ t stay at same when! 12 hours and the minute hand rotates through 360° in 12 hours and m minutes!. [ 1 ] as a reference = 30.00 Output: 165 degree 9:60 is not a time... And 12:00 way between the hands measured clockwise from the mark of number 12 clockwise minute. [ 1....