Question: xkcd how long it takes?
Answer: Row values ("how long you can work") are as follows (heading, then values): 1 second: 1 day, 2 hours, 30 minutes, 4 minutes, 1 minute, 5 seconds. 5 seconds: 5 days, 12 hours, 2 hours, 21 minutes, 5 minutes, 25 seconds. 30 seconds: 4 weeks, 3 days, 12 hours, 2 hours, 30 minutes, 2 minutes.