Hour minute calculator

Jan 18, 2024 · How to add up time in this case? Add time together - minutes to minutes, hours to hours, and seconds to seconds: hours = 5 h + 6 h + 4 h + 5 h + 7 h = 27 h. minutes = 30 min + 15 min + 45 min + 55 min + 35 min = 180 min. Convert, where possible: minutes = 180 min = 3 h. Add the converted values: 27 h + 3 h = 30 h.

Use this calculator to add up your work week time sheet and calculate work hours for payroll. This online time clock uses a standard 12-hour work clock with am and pm or a 24-hour clock for military time. Calculate total work hours with lunch and breaks. See total work hours in hours and minutes hh:mm format as well as decimal hours. The Age Calculator can determine the age or interval between two dates. The calculated age will be displayed in years, months, weeks, days, hours, minutes, and seconds. The age of a person can be counted differently in different cultures. This calculator is based on the most common age system. In this system, age increases on a person's ... Sep 12, 2023 · Use this calculator to add up your work week time sheet and calculate work hours for payroll. This online time clock uses a standard 12-hour work clock with am and pm or a 24-hour clock for military time. Calculate total work hours with lunch and breaks. See total work hours in hours and minutes hh:mm format as well as decimal hours. Review the Output: The calculator will display the result in hours and minutes. Example: Suppose you want to add 3 hours and 45 minutes to 5 hours and 30 minutes. Using the Calculator for Hours and Minutes, the calculation is as follows: Total Time=(3×60+45)+(5×60+30)=225+330=555 minutes Total Time = (3 × 60 + 45) + (5 × 60 + 30) = 225 ... 1 Hour (hour) is equal to 60 Minute (minute). If we want to reverse convert Minute to Hour according to the Frequency units reference formula, 1 min = 0.016666666666667 h. You can find automatic conversion rates in the table below. You can also multi-convert the relevant units among themselves from the time converter page and print the page.If the sum is >= 60, subtract 60 and carry forward 1 to hours addition. Add the hours, and the carry from minutes addition, if any. Steps for subtracting time. Subtract the seconds. If the difference is < 0, add 60 to it borrowing 1 from the minutes. Subtract the minutes after regrouping, if there was a borrow in the previous step.Jan 18, 2024 · Calculate hours and minutes worked, add or subtract time, and convert between units with this online tool. Learn how to use the calculator and find answers to common questions about time conversion. The calculator will automatically generate the time duration in decimal hours and in hours and minutes. For example, let’s say your start time is 8:05 AM, and your end time is 12:15 PM. Your duration will be 4 hours and 40 minutes, or 4.67 hours. We provide the time duration in decimals to make it easier to calculate payroll.

Converting minutes to hours is a simple matter of knowing how many minutes are in an hour. Since the answer is 60 minutes, then to convert minutes to hours one simply divides the number of minutes by sixty. For example: Formula: minutes / 60 = hours Calculation: 45 minutes / 60 = 0.75 hours End result: 45 minutes is equal to 0.75 hoursFor example, let’s convert the end time (17:30) to a decimal time by dividing the minutes by 60. 30 minutes ÷ 60 = 0.5. Since 30 minutes is equal to 0.5 hours, you can change the end time to 17.5 as a decimal. The start time has no minutes to divide, so it’s already in decimal form – 9:00 becomes 9.0.Calculator Formula. The formula used by the “How Many Minutes” calculator is based on straightforward arithmetic principles: Start Time: Input the starting time in the format “HH:MM AM/PM,” where HH represents hours (1-12), MM represents minutes (0-59), and AM/PM signifies the time of day. End Time: Enter the ending time in the same ...Duration (Time) formula. The time, or more precisely, the duration of the trip, can be calculated knowing the distance and the average speed using the formula: t = d / v. where d is the distance travelled, v is the speed (velocity) and t is the time, so you can read it as Time = Distance / Speed. Make sure you convert the units so both their ...Review the Output: The calculator will display the result in hours and minutes. Example: Suppose you want to add 3 hours and 45 minutes to 5 hours and 30 minutes. Using the Calculator for Hours and Minutes, the calculation is as follows: Total Time=(3×60+45)+(5×60+30)=225+330=555 minutes Total Time = (3 × 60 + 45) + (5 × 60 + 30) = 225 ...To calculate keystrokes per hour (kph) from words per minute (wpm), you will need to use the formula: kph = wpm × 300. For example, Ingrid is a typist clerk, and she types 18 words per minute. Using this information, calculate Ingrid keystrokes per hour. kph = wpm × 300. kph = 18 × 300. kph = 5400. From this, we know that Ingrid types …Our time card calculator automatically tabulates all work hours and converts them to dollars and cents. The calculator is totally electronic, ridding your business of those cumbersome and error-prone paper time card weekly and monthly reports that get bent, torn, or lost. Best of all, TCW provides professional, easy-to-read reports on any ...

For example, let’s calculate the elapsed time in hours for a start time at 9:00 am and an end time at 5:30 pm with a 30-minute lunch break. Start by adding 12 hours to the end time to convert it to 24-hour time. 5:30 + 12 hours = 17:30How does Time Duration Calculator works? Select the time duration option or the time between two dates. Select time format; 12 hours or 24 hours. Enter hours, minutes, and seconds in the start time. Enter hours, minutes, and seconds in the end time. Hit the calculate button. The Time Duration Calculator calculates the number of hours, minutes ...To calculate minutes per mile, use the mathematical formula for rate (rate = distance/time). You need to know the distance traveled and the amount of time it took to travel that fa...To convert minutes to hours, divide the minutes by 60. To show an example and how it works mathematically, let's say we want to convert 195 minutes to hours. We multiply by [1 hr / 60 min] which is 1. The min unit cancels out and our result is in hr units. 195 min * [1 hr / 60 min] = 195/60 hr = 3.25 hr. (note that if you instead divide by [60 ...The 24 Hour Calculator operates on the basic principles of time conversion, with the formula depending on the specific calculation being performed. For adding or subtracting hours and minutes, the formula involves simple arithmetic operations. The conversion from 12-hour to 24-hour format involves considering AM and PM distinctions.* Hours tracker / hour tracker: to calculate hour minute of a task, your freetime, in time, to calculate if you did hour of extra. * Calculate the duration of an event (duration calculator or hourstracker) * To convert from standard time to military time, simply add 12 to the hour. So, if it's 5:30 p.m. standard time, you can add 12 to get the ...

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On this hours from now time calculator, you can calculate time from the number of hours and minutes from now . Enter hours, minutes and calculate the time as later from now, the calculated time will be displayed on the below of calculator. If hours from now result is bigger than a day, number of days will be shown. Your local time is: 14:01:50.The feature seems at odds with Facebook's new mission of fostering healthier relationships with social media. Instagram on Wednesday (June 20) announced a new in-app feature and st...Additionally, for understating manual conversions for these units of time, look at the below-mentioned example. Read on! 1 minute (min) is equal to 0.0166667 hours. 1 hour (hr) is equal to 60 minutes (min)Addition of time: Use the calculator to add two or more time values. For example, if you want to know how long two tasks of 1 hour 25 minutes and 2 hours 40 minutes would take. Use the calculator to add these values and find the answer: 4 hours and 5 minutes. Subtraction of time: Use this tool to subtract one time value from another. This can ...

To get the total, add the units of time separately. Hours: 1 + 2 = 3 hours. Minutes: 30 + 45 = 75 minutes. Seconds: 25 + 55 = 80 seconds. In this case, the seconds are larger than 60. Add 1 to the minute and then subtract 60 from the seconds. Minutes: 75 + 1 = 76. Seconds: 80 - 60 = 20.In today’s fast-paced working environment, accurately tracking and calculating hours worked is crucial for businesses and employees alike. One powerful tool that can simplify this ...Formula. Mathematically, converting say 3 hours to minutes, we write our equation with units that will convert to minutes. 3 hours × 60 minutes per 1 hour = 3 hr × 60 min/hr. Cancel out the hours and we are left with minutes. 3 hr × 60 min/ hr = 180 min. total minutes = total hours × 60minutes hour total minutes = total hours × 60 minutes ...Addition of time: Use the calculator to add two or more time values. For example, if you want to know how long two tasks of 1 hour 25 minutes and 2 hours 40 minutes would take. Use the calculator to add these values and find the answer: 4 hours and 5 minutes. Subtraction of time: Use this tool to subtract one time value from another. This can ...Here's how you use the clock time duration calculator: Select either the 12-hour or 24-hour time formats. Enter the start clock time, giving the hour, minute, and optionally second. If you are using the 12-hour clock, don't forget to select whether it is am (in the morning) or pm (afternoon/evening). Then do the same for the end clock time.52.5. How many minutes are in an hour? Use this easy and mobile-friendly calculator to convert between hours and minutes. Just type the number of hours into the box and hit the Calculate button.After borrowing an hour for the minutes, our hours are reduced by one. So instead of subtracting from 48 hours, we subtract from 47 hours (48 hours - 1 hour borrowed). Subtract 23 hours from 47 hours, which gives us 24 hours. Step 3. Combine the Results. Now combine the results of the hours and minutes subtraction.Jan 18, 2024 · How to add up time in this case? Add time together - minutes to minutes, hours to hours, and seconds to seconds: hours = 5 h + 6 h + 4 h + 5 h + 7 h = 27 h. minutes = 30 min + 15 min + 45 min + 55 min + 35 min = 180 min. Convert, where possible: minutes = 180 min = 3 h. Add the converted values: 27 h + 3 h = 30 h.

Time calculator online: add time or subtract time to and from a given date and time (Time Adder). Add or subtract hours, minutes or seconds to a given time using our time calculator. See what time will it be in XX hours, or what time will it be in XX minutes. Learn how to do time calculations with practical examples and understand common …

Add 60 to the number of minutes in the ending time, and subtract 1 hour from the hour portion of the ending time. Then, subtract the minutes and the hours, keeping the result on the appropriate side of the ":" where hours are on the left, and minutes are on the right. For example: Free calculator to get the number of hours, minutes, and seconds ...For example, let’s convert the end time (17:30) to a decimal time by dividing the minutes by 60. 30 minutes ÷ 60 = 0.5. Since 30 minutes is equal to 0.5 hours, you can change the end time to 17.5 as a decimal. The start time has no minutes to divide, so it’s already in decimal form – 9:00 becomes 9.0.A time duration calculator is a tool that allows you to calculate the duration or time difference between two given points in time. It can be used to calculate things like the total hours between two specific times or dates, the number of work days between two dates (excluding weekends and holidays), or even the total seconds or minutes. The ...Converting minutes to hours is a simple mathematical operation. The basic formula is: Hours = 60/ Minutes This formula is derived from the fact that there are 60 minutes in an hour. By dividing the total minutes by 60, you obtain the equivalent time in hours. How to Use? Using the min to hour calculator is a breeze. The following is a list of definitions relating to conversions between hours and minutes. What is an hour (hr)? An hour is a unit of time. The symbol for hour is hr. There are 0.0166667 hours in a minute. What is a minute (min)? A minute is a unit of time. The symbol for minute is min. There are 60 minutes in an hour. For PM hours, simply add 12 to the time and convert it to 24-hour format. Calculate Time Difference Between Hours & Minutes: If the end time has larger minutes, then subtract the start time from it just like the ordinary subtraction; If the start time has larger minutes, it means that the end time is on the next day.The Time Calculator for Hours and Minutes emerges as a handy tool for anyone dealing with time-related calculations. Whether you’re managing your daily schedule, planning …This degrees minutes seconds calculator can help you convert degrees minutes seconds to decimal degrees.In the text below, we give you the DMS to decimal degrees formula.We also explain how to convert decimal degrees to DMS with a step by step guide and example. Be sure to check out our other calculators, like this lat long to …For PM hours, simply add 12 to the time and convert it to 24-hour format. Calculate Time Difference Between Hours & Minutes: If the end time has larger minutes, then subtract the start time from it just like the ordinary subtraction; If the start time has larger minutes, it means that the end time is on the next day.

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Converting Minutes. Time reported on a time sheet for a half hour of work is .5? If you turn time in as .30 that only pays the employee 18 minutes! You need ...Ensure you're using the 24-hour format for hours and input the exact minutes as displayed on a clock. Example Input for Conversion to Decimal Hours: Hours: 3 ...This free pace calculator computes pace, distance and time by setting values of two variables. You can use it for training purposes. Result. 16 minutes per mile. 9 minutes 57 seconds per kilometer. 3.75 miles/hour. 6.035 kilometers/hour. 100.584 meters/minute. 1.676 meters/second.In the second field of the multiply time calculator, enter "23 minutes". In the next field, enter "5" (1/5 took 23 min, so the whole fence (5/5) will take five times longer). You'll see the result is 1 h 55 min. Time calculator – division. To …Calculate speed, distance or time using the formula d = st, distance equals speed times time. The Speed Distance Time Calculator can solve for the unknown sdt value given two known values. Time can be entered or solved for in units of secondes (s), minutes (min), hours (hr), or hours and minutes and seconds (hh:mm:ss).In the second field of the multiply time calculator, enter "23 minutes". In the next field, enter "5" (1/5 took 23 min, so the whole fence (5/5) will take five times longer). You'll see the result is 1 h 55 min. Time calculator – division. To …Aug 14, 2023 · Formula. Mathematically, converting say 3 hours to minutes, we write our equation with units that will convert to minutes. 3 hours × 60 minutes per 1 hour = 3 hr × 60 min/hr. Cancel out the hours and we are left with minutes. 3 hr × 60 min/ hr = 180 min. total minutes = total hours × 60minutes hour total minutes = total hours × 60 minutes ... Breadcrumbs. Home · USPS. Decimal Hours-to-Minutes Conversion Chart. Minutes, Tenths of an Hour, Hundredths of an Hour. 1 .0 .02. 2 .0 .04. 3 .0 .05. 4 .0 .06.Hours calculator is a free tool that computes duration between two sets of times in hours and minutes. It's also known as Time Duration Calculator. It's very easy to operate. Just enter the starting and ending time and press the calculate button to get the final result. In short, it's very useful as well as handy when it comes to calculating ... ….

How to Calculate Minutes to Hours 1 minute = 6 × 10 1 seconds 1 hour = 3.6 × 10 3 seconds 1 minute = (6 / 3.6) × 10 1 × 10-3 hours 1 minute = (1.6666666666667) × 10 1-3 hours 1 minute = (1.6666666666667) × 10-2 hours 1 minute = 1.6666666666667 × 0.01 hours 1 minute = 0.0166666667 hours How Many Hours in a Minute? There are 0.0166666667 ... This calculator can add or subtract two or more time points with an equation. The following are acceptable inputs: d, h, m, and s. D represents days, h represents hours, m represents minutes, and s represents seconds. The only proper functions are + and -.There are 60 minutes in 1 hour. To convert from hours to minutes, multiply your figure by 60 (or divide by 0.0166666666666666) . To convert from hours to minutes, multiply your figure by 60 (or divide by 0.0166666666666666) .A: The calculator accounts for this by providing the duration in terms of hours, minutes, and seconds, giving a comprehensive representation of the time elapsed. Q: Is the calculator suitable for calculating intervals in various contexts? A: Yes, whether you’re tracking time for personal activities, work projects, or scientific experiments ...Hours Calculator: See How Many Hours are Between Two Times. Below is an hours calculator. Use the easy-to-enter inputs and enter a starting time and an ending time, then hit the 'Calculate' button. We'll add up the number of hours (up to 23 hours and 59 minutes maximum).Add 60 to the number of minutes in the ending time, and subtract 1 hour from the hour portion of the ending time. Then, subtract the minutes and the hours, keeping the result on the appropriate side of the ":" where hours are on the left, and minutes are on the right. For example: Free calculator to get the number of hours, minutes, and seconds ...Chronological Age Calculator. Use this calculator to calculate your exact chronological age, or the age of another person. Just enter the birth date and submit the form to get …Input milliseconds and find out the conversation to days, hours, minutes and seconds. Useful if you have an output for time in ms and need to figure out how ...There are 60 minutes in an hour, and each minute is further divided into 60 seconds. Converting Hours to Minutes: Converting hours to minutes is a straightforward process because an hour is defined as 60 minutes. To convert hours to minutes, you simply multiply the number of hours by 60. Formula: Minutes = Hours × 60. For example, if …How to add up time in this case? Add time together - minutes to minutes, hours to hours, and seconds to seconds: hours = 5 h + 6 h + 4 h + 5 h + 7 h = 27 h. minutes = 30 min + 15 min + 45 min + 55 min + 35 min = 180 min. Convert, where possible: minutes = 180 min = 3 h. Add the converted values: 27 h + 3 h = 30 h. Hour minute calculator, To convert hours to decimal using a calculator, simply divide the number of minutes by 60. 59/60 = .98. 45/60 = .75. 1.98 + 1.75 = 3.73. For your convenience, you can also use our minute to decimal converter above. DISCLAIMER - Hours to Decimal Calculator. , The minute was originally defined as 1/60 of an hour (60 seconds), based on the average period of Earth's rotation relative to the sun, known as a mean solar day. Current use: The minute, as a multiple of the second, is used for all manner of measurements of duration, from timing races, measuring cooking or baking times, number of heart beats ... , Whether you shop online or on Main Street, your time browsing or buying is being carefully measured—and it’s decreasing. On average, Americans spend three-quarters of an hour, each..., The weeks you work a year are usually 52. Finally, calculate money per hour by dividing the annual salary by the previous result (yearly hours). For example, let's find out how much an hour is $96k a year: Assume 40 weekly working hours; Yearly working hours = 40 hr/week × 52 weeks/yr = 2080 hr/yr; Money per hour = Annual …, The hours, seconds, and minutes calculator is a versatile tool for anyone dealing with time-related calculations. Whether you’re managing your schedule, working on a project, or just curious about time breakdowns, this calculator simplifies the process, providing quick and accurate conversions. Embrace the efficiency it offers in managing one ..., Those in the workforce dream of the day when they will be able to officially say goodbye to the grind. No more getting up early to commute to the office and work for eight hours a ..., Sep 12, 2023 · Use this calculator to add up your work week time sheet and calculate work hours for payroll. This online time clock uses a standard 12-hour work clock with am and pm or a 24-hour clock for military time. Calculate total work hours with lunch and breaks. See total work hours in hours and minutes hh:mm format as well as decimal hours. , 1 minute = 6 × 10 1 seconds. Example: Let's calculate 125 minutes to time. 125 minutes = 125 × 60 seconds. 125 minutes = 7500 seconds. Calculating hours. hours = 7500 sec ÷ (60×60 sec) hours = 2 hours. We have left. , Time Sheet Calculator. Calculate Hours allows you to enter times worked, like: 7:45, 11, 12:10, 3, 4, 4:30 and it will add up the time worked into a meaningful hour:minute format. You can then Sum Hours like: 6:35, 8:15, 26:15 for a total. See the tips below for more information. To protect your privacy, no data generated by this tool is stored by Miracle …, Jan 18, 2024 · How to add up time in this case? Add time together - minutes to minutes, hours to hours, and seconds to seconds: hours = 5 h + 6 h + 4 h + 5 h + 7 h = 27 h. minutes = 30 min + 15 min + 45 min + 55 min + 35 min = 180 min. Convert, where possible: minutes = 180 min = 3 h. Add the converted values: 27 h + 3 h = 30 h. , The time and date calculator lets you subtract time (find time difference), multiply time, divide time, add time, and calculate the time between dates. It also incorporates a time-to-time calculator (you can check time duration, e.g., how many days and hours passed from 2.03.2010 11:00 am to 3.04.2010 6:30 pm)., 0.9972. 59:55. 0.9986. Use this easy and mobile-friendly calculator to convert hours, minutes, and seconds into a decimal number of hours. For example, 1 hour and 30 minutes is the same as 90 minutes., Enter the time value to add/subtract. Next, enter the time you want to add/subtract from the initial time (days, hours, minutes, seconds). Get the result. Finally сlick the «Calculate» button and get the number of days, hours, minutes or seconds of your calculation. Copy the result or link to the result if you want to share it., The formula for the Total Hours Calculator is straightforward, involving the addition of hours and minutes to calculate the total duration: Total Hours=Sum of Hours+ (Sum of Minutes60)Total Hours=Sum of Hours+ (60Sum of Minutes) This formula ensures that minutes are appropriately converted to hours, contributing to the overall time calculation., Ensure you're using the 24-hour format for hours and input the exact minutes as displayed on a clock. Example Input for Conversion to Decimal Hours: Hours: 3 ..., Using the Time Minutes Calculator is a simple process: Input Hours and Minutes: Enter the hours and minutes you want to convert or add. Click Calculate or Submit: Initiate the computation by clicking the “Calculate” or “Submit” button. Review the Output: The calculator will display the total time in minutes, making it easy to ..., Convert hours to minutes and seconds, and to hh:mm:ss with this online tool. Learn the formula, the conversion ratio, and the charts of common conversions., Find the hours, minutes, and seconds between two times or two dates with this free online tool. Learn how to subtract or add time from a date with examples and explanations. , How does Time Duration Calculator works? Select the time duration option or the time between two dates. Select time format; 12 hours or 24 hours. Enter hours, minutes, and seconds in the start time. Enter hours, minutes, and seconds in the end time. Hit the calculate button. The Time Duration Calculator calculates the number of hours, minutes ..., Hours Calculator. This hours calculator computes the duration (in hours and minutes) between two times. It is useful for time sheet or time card calculations. To use the calculator, please provide two times and click the "Calculate" button. If the end time is earlier than the start time, the calculator will assume the end time is on the next day., Using the Time Hours Calculator, the time duration would be calculated as: Time Duration=3 hours+45 minutes−10 hours−30 minutes=5 hours+15 minutes Time Duration=3hours+45minutes−10hours−30minutes=5hours+15minutes. Therefore, the time duration for the project is 5 hours and 15 minutes., Simple time duration calculators can remove any chance of error, providing accurate conversions for work or amusement. You can use this calculator on a single day or over several days. The two calculators above can help anyone calculate the days, hours, minutes, and seconds between any two points in time. There are two interfaces. , The Time Duration Calculator is a tool you can use to compute the total time passed since a start time up to an end time. This calculator uses a 12-hour format so you just have to enter exactly the start and end times on their respective fields. ... Minutes to Time Format = 555 minutes / 60 = 9.25 hours Decimal Minutes to Minutes = 0.25 * 60 ..., Enter the time values in HH:MM:SS time format and press Convert. Calculator will display the result in total number of hours, minutes and seconds in decimal. How to Calculate Decimal from Time. To get the total decimal hours we use the formula: h = hours + (minutes / 60) + (seconds / 3600). To get the total decimal minutes we use the formula: …, How does Time Duration Calculator works? Select the time duration option or the time between two dates. Select time format; 12 hours or 24 hours. Enter hours, minutes, and seconds in the start time. Enter hours, minutes, and seconds in the end time. Hit the calculate button. The Time Duration Calculator calculates the number of hours, minutes ..., This hours calculator computes the duration (in hours and minutes) between two times. It is useful for time sheet or time card calculations. To use the calculator, please provide two times and click the "Calculate" button. If the end time is earlier than the start time, the calculator will assume the end time is on the next day., On this hours from now time calculator, you can calculate time from the number of hours and minutes from now . Enter hours, minutes and calculate the time as later from now, the calculated time will be displayed on the below of calculator. If hours from now result is bigger than a day, number of days will be shown. Your local time is: …, Example 1: Add Time. Add 2 hours, 45 minutes, and 30 seconds with 3 hours, 50 minutes, and 20 seconds. Solution: Here, after performing the addition, the minutes we get are 95. So, we have removed 60 minutes and added 1 hour to the total hours. Therefore, the final output after the addition is 6 hours, 35 minutes, and 50 seconds., Time Sheet Calculator. Calculate Hours allows you to enter times worked, like: 7:45, 11, 12:10, 3, 4, 4:30 and it will add up the time worked into a meaningful hour:minute format. You can then Sum Hours like: 6:35, 8:15, 26:15 for a total. See the tips below for more information. To protect your privacy, no data generated by this tool is stored by Miracle …, Hours to minutes -> number of (hours x 60) + minutes = minutes -> (12 x 60) + 15 = 720 + 15 = 735 minutes Frequently Asked Questions Get answers to the most common queries related Hour to minute calculator., The #1 free time calculator for iOS is now available for android. Hours & Minutes is a simple time calculator that allows you to easily add, and subtract time values without the need to convert those values into their decimal counterparts. The paid version also lets you multiply and divide time values by whole numbers. Updated on., It is essential to calculate time difference by keeping the hour on the left and minutes on the right side. The minutes between two times intervals are subtracted first, after that you have to subtract the hours. For example, 15: 30 – 9: 25 _____ 6: 6. The Difference between the two times is 6 hours and 6 minutes. However, this time duration ..., 9 AM to 5:30 PM: 8 hours and 30 minutes. 7:30 AM to 4:30 PM: 9 hours. Should you want to determine the precise amount of time you spend working, subtract your break times from the total hours. For example, working from 7:30 AM to 4:30 PM with a half-hour break leads to an 8.5-hour workday—9 hours minus your 30-minute break.