My GitHub Punch Card for SimplyTweet Posted by hboon on Friday June 04, 2010 @02:22AM from the hboon.com dept. http://hboon.com/my-simplytweet-punch-card ( 5 comments | 3 points | on HN )
http://github.com/mongodb/mongo/graphs/punch_card
Add 3 hours as lots of the developers are on eastern time. So that explains the smaller dots as 9 (lunch).