Selectable 24h format

I’d like to see 24h format possibility as default.

For us (metric system people) is a must…

Interesting. I have Unit System set to Metric and 24-hour format is the default.

In the graphs of a entity also?
I believe I have kind of a mix of am/pm thing and 24h.

Edit it really is a mix.
See this:

No; you’re right; time is reported in 12-hour format in the default graphs even though I have Unit System set to Metric.

I agree with you that it should be consistent; you have my vote.