Google-sheets – How to sum range of values if date =specific date but keep result fixed next day

google sheets

If I want to sum of dynamic cell values (numbers) across range if date is specific (like 2 Feb 2021) and keep the maximum result fixed so I can draw a chart of percent reached.. Like elections for example..
If i type: sumif(A1:A2,C2=2/Feb/2021)

Best Answer

It was solved by adding a helper column that will ass the date.time automatically based on OnEdit trigger of a range of cells or column. Then you could countif range based on specific date criteria in that helper column. Thanks to @Rubén