just keep a pen and a notepad on my desk and every hour I write down the time and what I’ve done during the past hour. It’s important to keep the notebook visible, so you don’t forget.
Know Thy Time: Peter Drucker’s Strategy To Become More Effective
Darius Foroux

Nice suggestions, but what happens if your work is sort of continuous, such that you can’t keep an hourly record.

But the cumulative of what you’re done in job is effective . I guess with experience you would know when you reached your target or not. I am referring to a situation where mybe you are the boss and no one is supervising you.

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