When are Centigrade and Fahrenheit the same?

First published at 19:14 UTC on February 6th, 2018.

This is trivial ditty - not at all VB.Net but a fun thing, anyway. When are the two major temperature scales the same? It's easier to present this in Excel and a graph...:)

CategoryScience & Technology
SensitivityNormal - Content that is suitable for ages 16 and over