Make it a habit by planning for it. At the end of the day, match it up. In an effort to keep my resolution to get out the door at six, I spoke to three established career coaches for their expert tips on how to ensure you leave work on time every day. How you start your day will have a big impact on how you finish it.
In order to know when your work day should end, you have to start noticing how long it takes you to do work. Reading this will also help you develop the right mindset about the hours you work, and how that relates to your productivity and well-being. Plus, saying it out loud and owning your goal to leave on time will help you feel more empowered in your ability to do so.