![]() If the end time falls on the following day but is less than 24 hours from the start time, here’s what you can do: Start time: 9:35 PM = 21:35Įnd time: 02:20 AM (of the following day) = 02:20 The methods for calculating elapsed times described above only work if the start and end times are recorded in the same day. Subtract 1 hour from the end time’s hours then add 60 minutes to the end time’s minutes.Ĭonverted end time hours = 13 hours - 1 hour = 12 hoursĮlapsed hours = 12 hours - 11 hours = 1 hourĬonverted end time minutes = 28 minutes + 60 minutes = 88 minutesĮlapsed minutes = 88 minutes - 47 minutes = 41 minutesĮlapsed time = 1:41 or 1 hour and 41 minutes When we add the extra 60 minutes to the end time minutes the total time elapsed remains the same and we’ll also end up with a positive number when we subtract the start time’s minutes.Ģ8 minutes - 47 minutes gives us -19 minutes which is not a valid time interval. We first need to remove 1 hour from the end time’s hours and then convert that into 60 minutes. If the end time’s minutes is smaller than the start time’s minutes, we’ll get a negative result - which is not a valid time or an accurate measure of the minutes component of the total interval/time duration. Now combine the resulting hours and minutes to get the total elapsed time.Įlapsed time = 9:15 or 9 hours and 15 minutes Do this separately for the hours and minutes.Įlapsed minutes = 30 minutes - 15 minutes = 15 minutesĮlapsed hours = 17 hours - 8 hours = 9 hours Then subtract the start time from the end time. To get the time interval, just subtract the start time from the end time, But we need to calculate the difference between the hours and minutes separately.įirst convert the recorded times to the 24-hour format. To do this, simply add 12 hours to any time recorded during the PM period. If you’re using the 12-hour or standard time format to record start and end times, you’ll need to convert the recorded times to the 24-hour format first. How to Calculate Elapsed Time and Time DurationĬalculating elapsed time is easier with the 24-hour format, aka military time and the format most used by Europeans. Time clock, time card, and weekly timesheet calculator.Total charges for labor, work, or billable hours.The resulting elapsed times are often used in other calculations like: But if you want to get an exact measure of elapsed time down to the last minute, or even up to the last second, an Time Calculator can do it in an instant and with no extra hassles.Ī Time Calculator accepts both 12-hour and 24-hour formats and can display the resulting time in hours and minutes, decimal hours, or simply the total number of minutes. Most people just approximate it to the nearest hour or fraction of an hour, like half an hour or quarter of an hour, to make things easier. At one point or another, we’ve all stared at a clock and tried to work out in our heads how much time it took to finish an activity or task - which is not as easy as it looks. To calculate the time gap, subtract the start time from the end time, taking into account any adjustments for differences in hours, minutes, and seconds.A Time Calculator, also known as an Hour Calculator or Hours Calculator, quickly and accurately measures how much time has passed based on the start and end times entered in the widget.Ĭalculating the time is a very basic part of everyday life.To calculate hours and minutes, divide the total number of minutes by 60 to obtain the number of hours, and the remainder represents the remaining minutes.We calculate time to measure and quantify the duration or interval between events, track progress, schedule activities, and coordinate actions in various domains of life. ![]() ![]() Convert the time periods into a common unit (such as minutes), and then perform the addition.
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