The internal structure of a chloroplast. The light-independent reactions of photosynthesis are chemical reactions that convert carbon dioxide and other compounds into glucose. These reactions occur in the stroma, the fluid-filled area of a chloroplast outside of the thylakoid membranes.
The Excel TIME function is a built-in function that allows you to create a time with individual hour, minute, and second components. The TIME function is useful when you want to assemble a proper time inside another formula.
Calculate Time Difference in Excel. The most simple way to calculate time differences in Excel is to simply subtract one time from the other. This works because Excel stores dates as integers and times as decimal values (see the page on Excel dates for more details).ell B3 of the following spreadsheet shows a simple example of how to calculate a time difference in Excel. The calculation simply subtracts the time in cell B1 from the time in cell B2.