Maybe for someone with no experience in the desired language and minimal access to docs, but for someone that professes a knowledge of C# 6 they ought to at lea

Maybe for someone with no experience in the desired language and minimal access to docs, but for someone that professes a knowledge of C# 6 they ought to at least know about the `TimeSpan` class. For anyone with the knowledge the person claimed to have, that code should boil down to something more like TimeSpan.Parse($"{hourStr}:{minStr}").TotalMinutes;