Estimation is on the resolution of a block, so time will flutter quite a bit I think. I can add it to this one, see if it works.
Discussion
I made one
https://nostrudel.ninja/#/u/npub1zncwcrtnlm6s283f6adj9amuejzgch5622yvt5jxqt55duzezg7sssfwsk/notes
Currently running on docker on my ronindojo...
Added time to halving estimate on: