I'd love to see sentiment analysis done based on time of day. I'm sure it's largely time zone differences, but I see a large variance in the types of opinions posted to hn in the morning versus the evening and I'd be curious to see it quantified.

Yeah, I see this constantly any time Europe is mentioned in a submission. Early European morning/day, regular discussions, but as the European afternoon/evening comes around, you start noticing a lot anti-union sentiment, discussions start to shift into over-regulation, and the typical boring anti-Europe/EU talking points.

“Regular” to who? Pro EU sentiment almost only comes from the EU, which is what you’re observing. Pro-US sentiment is relatively mixed (as is anti-US sentiment) in distribution.

> Pro EU sentiment almost only comes from the EU

Says who? But also, it doesn’t suggest what you imply. I could as easily conclude: “Oh wow, the people who actually experience the system like it that much? Awesome!”

Or one could conclude that the bots were posting at a time of day intending you as the reading target. As long as they post things that you are inclined to agree with, you'll feel positive reinforcement about an issue regardless of the actual popularity or even viability.

e.g. how many are cali tech bros vs nyc fintec vs 10am moscow shillbot time

Comment dates on hn frontend are sometimes altered when submissions are merged, do you handle this case properly?

It is handled on the Unlurker front page (you will see a little note that says “time adjusted for second chance”). The replay doesn’t do any adjustment for it, but I think that makes it reflect the reality of when the comments came in since the adjustments are like a temporary bump

I like the "past" functionality here, maybe wished there was one for week/month I could scroll back as well.

Miss it for reddit as well. Top day/week/month/alltime makes it hard to find top a month in 2018.

Okay, your site is a ton of fun. Thank you! :)