Challenge #106: How Long were the Lights On?

[dougbaron]

Spoiler

[phottovy]

I feel like I could have simplified this one:

Spoiler

[alacoume]

I did not expect this one to be that hard...

[CeliaC_Silje]

Spoiler

[Flo_P]

I have no love for the 12 hour clock, it must be eliminated whenever possible.

Spoiler

[bkclaw113]

Spoiler

Not the most scalable solution to identify every possible minute of the day and then force a cartesian join against the actual times to identify which minutes overlap, but it works

[Shifty]

I found that challenging.  DateTime is not fun. 🕖

Spoiler

[Archie_bos]

Here is my solution

[Towers]

Spoiler

[Tofel]

Spoiler