![]() We wanted to tell you that we built a nice converter for you, here it is. The hh:mm addition persisted, and, through the program, the hh:mm format would be converted to decimal hours for payroll purposes. The early computer systems simply mimicked their predecessors. Then, again, a payroll person would convert the hh:mm times to decimal hours. An employee would insert his or her punch card and time would be punched in the hh:mm format. The next time clocks were old-school, wall-mounted punch clocks.To calculate worked time, the person responsible for payroll would figure hours and minutes worked but would then convert to decimal hours to do the multiplication. Example Input for Conversion to Decimal Hours: Hours: 3. Ensure you’re using the 24-hour format for hours and input the exact minutes as displayed on a clock. What would they write down? Times such as 8:00 a.m. Find the input fields designated for hours and minutes. A person would simply write down when an employee got to work and when they left. The very first time clocks were people.While we could not find a lot of data on why the hh:mm format has emerged as the preferred timekeeping method, we do have a few ideas. It’s much easier to multiply 8.20 (or 8 hours and 12 minutes) by an hourly rate to calculate payroll. Imagine trying to multiply 8:12 (which is 8 hours and 12 minutes) by an employee hourly rate. Decimal hours are easier to work with. But in 1793, the French smashed the old clock in favor of French Revolutionary Time: a 10-hour day, with 100 minutes per hour, and 100 seconds per minute.Minute hours have a maximum of 1/60 resolution, while decimal hours have a 1/100 resolution. They are more precise - decimal hours are almost two times more precise than minute hours.Why Use Decimal Hours? We Use Decimal Hours for Two Reasons… 8.45 hours - this one is 8 hours and 27 minutes.8.20 hours - you may want to read this as 8 hours and 20 minutes, but it is actually 8 hours and 12 minutes (notice the decimal point).Here are a few examples that are commonly confused 8.75 hours - 8 hours and 45 minutes or 8:45.8.50 hours - here we have 8 and ½ hours, 8 hours and 30 minutes, or 8:30. ![]() 8.25 hours - this is 8 and 1/4 hours, 8 hours and 15 minutes, or 8:15 (hh:mm), again, note the colon.If you place more than one pin, an extra line of information is added underneath the map with links to those cities pages. Search for any city in the search field above and place a black 'pin' by that city on the map. 8.00 hours - this is exactly 8 hours or 8:00 in the hh:mm format - note the use of a colon, not a decimal point. Please note that the Time Zone Map is not a political map but a time zone map showing the time zone boundaries.Here are a few examples of decimal hours and how to interpret them… The big thing to look for is a decimal point (.) or colon (:)ĭecimal hours can sometimes cause a bit of confusion for people who are used to looking at hours in the hh:mm format.
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