Age does not matter in Asgaard. (Always check the hometown)
Aging was different before, so really the first two, Lauraine and Zhenzar are not relevant.

The others however are decent gauges for extremely long lived characters hours wise- and these are all generally races that live a very long time and leadered fairly early.
Of course you would have to look at when they leader (all of these characters leadered I think) to try and gauge hours
But the years part is what you want, cause that does not matter for leader or not. Leaders just get there slower.