month) used to calculate the difference determines which parts of the DATE, TIME, or TIMESTAMP field are For more details, including examples, see If date_or_time_part is week (or any of its variations), the output is controlled by the WEEK_START session parameter. The function supports units of years, quarters, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, and nanoseconds.ĭate_or_time_part must be one of the values listed in Supported Date and Time Parts. Output values can be negative, for example, -12 days.ĭate_or_time_expr1 and date_or_time_expr2 can be a date, time, or timestamp. Returns an integer representing the number of units (seconds, days, etc.) difference between date_or_time_expr2 and The value date_or_time_expr1 is subtracted from Must be a date, a time, a timestamp, or an expression that can be evaluated toĪ date, a time, or a timestamp. The value can be a string literal or can be unquoted (e.g. Must be one of the values listed in Supported Date and Time Parts (e.g. The time "5:00 PM" has been typed into the cell, but the cell is displaying "17:00" which is the military time equivalent to 5:00 p.m.The unit of time. In an image below, you can see an example of the format that a time value sometimes displays in, when the cell is not in "Time" format, even when you correctly specify AM / PM. If you want to specify the time "8:30 a.m." then type the time like this: 8:30 AM When typing a time value into a spreadsheet cell, make sure that you include "AM" or "PM" so that the spreadsheet does not automatically choose one for you which can sometimes cause confusion as mentioned above. This is why it is important to display the values in "Time" format, so that you are certain whether each time value is AM or PM. However, as you can see in the image, cell B2 displays "5:00" but when it is selected the formula bar shows that the actual time entered is 5 AM. The image below shows two time values that have been entered into cell A2 and cell beat you, with the intention of subtracting the time 5:00 PM From the time 8:30 AM. Then we will make sure that the calculated duration displays in "Duration” format. Now let's go over how to properly format the cells when calculating that duration between two times.įirst, we will make sure that the time values to be calculated are displayed in "Time" format. Formatting the times and durations correctly Notice how in this particular case, by default the spreadsheet gives a number/decimal value, but after converting the cell to duration format, the duration/time displays correctly (shown in cell C3). We are going to calculate the time that is between these two date/time values, by subtracting cell A2 from cell B2.Īs you can see in the image above, the formula in cell C2 has calculated the amount of time between both date/time values, which is 56 hours and 30 minutes (56:30:00). This will allow us to calculate the time that has elapsed between two dates / times.Īs you can see in the image below, the date/time 8:30 AM is entered into cell A2, and the date/time 5:00 PM is entered into cell B2. Now let's go over an example of calculating the time difference between two dates with time values included. Finding the duration between two dates / times So there are 8 hours and 30 minutes between 8:30 AM and 5:00 PM, or in other words 8 hours and 30 minutes elapsed between the two given times.įurther below I will show you detailed instructions on making sure that the cells are in the correct format. The formula in cell C2, subtracts cell A2 from cell B2, which gives an answer of 8 hours and 30 minutes (8:30:00). is entered into cell A2, and the time 5:00 PM. Let's go over an example of calculating the time / duration between two times, where there is not a date included with the time value.Īs you can see in the image below, the time 8:30 AM. Select the cell that contains the formula, click the “More formats” menu on the top toolbar (The button that says "123"), and then click "Duration”Īfter following these steps the cell that contains the formula will display the time / duration that is between the two time values.Ĭalculating the number of days between dates is similar to calculating the duration between times, but there are important differences and additional methods to learn, so click here to learn how to calculate the numb e r of days between dates.The final formula will look like this, where cell B2 is the more recent time, and cell B1 is the older time: =B2-B1 Type the address of the cell that contains the older / smaller time value.Type the address of the cell that contains the more recent / larger time value.To calculate the duration between two times in Google Sheets, follow these steps:
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