Last evening, I called it a day at work at 4:30 pm. It was similar on Tuesday as well – I had gone to office, but decided to leave at 4, and go home and continue working. On both these days, the reason I shut shop early is that I wasn’t being productive. My mind was in a rut and I was unable to think.
I might compensate for it by working longer today. I might have already compensated for it by working late into the evening on Monday. I don’t really know.
Basically, the way I like to work is to treat it as a “momentum trade” (as they call it in capital markets). On days when work is going well, I just go on for longer and longer. On days when I’m not doing well, unless there are urgent deadlines, I shut shop early.
And for me, “going well” and “going badly” can be very very different. The amount I can achieve per hour of work when I’m in flow is far more than what I can achieve per hour of work when I’m not in flow. Hence, by working for longer on days when I’m doing well, I basically maximise the amount of work I get done per hour of work.
It is not always like this, and not with everyone. Our modern workday came from the industrial revolution, and factories. In factories, work is tightly defined. Also, assembly lines mean it is impossible for people to work unless people around them are also working (this is one supposed reason for the five day workweek developing in the US – with large numbers of both Christian and Jewish employees, it didn’t make sense for the factory to be operational on either Saturday or Sunday).
And our modern office working hours have developed from this factory working hours, because of which we traditionally have everyone working on a fixed shift. We define a start and end of the work day, and shut shop precisely at 6pm (say) irrespective of how work is going.
In my view, while this works for factories or factory-like “procedural” work, for knowledge work that is a bad trade. You abruptly cut the wins when the going is good, and just keep going on when the going is bad, and end up taking a much longer time (on average) to achieve the same amount of work.
Then again, I have the flexibility to define my own work hours (as long as I attend the meetings I’ve committed to and finish the work I’m supposed to finish), so I’m able to make this “better momentum trade” for myself. If you are in a “thinking” profession, you should try it too.