Working first shift means you get a reasonably standard workday complete with the morning and evening commute and evenings off so you can have dinner. See 7 different 12-hour shift rotation examples here. Xmas Eve Open 11am 7pm Calm Artwork Keep Calm Artwork Xmas Night-time is between the hours of 11pm and 6am unless there is a written agreement with your employer for a different period of time to be classed as night-time. . Select am or pm. 12 hour shifts are used by approximately 40 of our clients. The hours from 0-11 denote what would be the AM hours on a 12-hour clock while hours 12-23 denote the PM hours of a 12-hour clock. Hours calculator How many hours The hours calculator calculates the duration between two dates in hours and minutes This application determines the number of hours between two times or add hours to a certain date. Is recorded as 657 am. The number of hours and minutes between the two selected times...