Rouding up times. e.g. 7:33 --> 7:35
I have a clumn of times. How do I round them up to the nearest multiple of 5
minutes? I know of ROUNDUP.. but how do I do it with times?
Eg.
5:03
5:05
5:06
5:08
5:09
5:09
5:09
goes to:
5:05
5:05
5:10
5:10
5:10
5:10
5:10
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