sentences:  By observing common informal standards for business hours, workers may communicate with each other more easily and find a convenient divide between work life and home life.In the United States, Canada, United Kingdom, and Australia, the hours between 9 am and 5 pm (the traditional "9 to 5") are typically considered to be standard business hours.In Mexico, the standard business hours are from 7 am to 2 pm and 4 pm to 6 pm.