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.
You can use Excel Worksheet formula like shown below (it reads the system time using function NOW()): =if(hour(now())>18,4,if(hour(now())>12,3,if(hour(now())>6,2,1))) If HOUR is already given in, for e.g., column A1, then use a simplified formula: