Time Card Calculator

Use this Time Card Calculator to calculate and generate weekly time reports. The fields can be left blank if no data is available. It takes most time format, e.g. 8:00AM, 8.30, 15:30, etc.

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Time cards have existed since the late 19th century, a phenomenon linked to industrialization and the increasing use of factory labor.

Originally called "clock cards," they were invented by Daniel M Cooper in Rochester, New York State. The first such machine was called the Rochester Recorder.

A clock card (the ancestor of the time clock) is basically a piece of rectangular card which has the working hours of the day and days of the week pre-printed on it, separated by horizontal and vertical lines. These areas on the clock card are used to keep a detailed record of employee working hours on a day by day basis.

Typically employees would insert their clock card into a machine called a time recorder, which was made up of a clock, an input jack with a trigger and a method of printing time & date information.

Each employee would usually have their own personalized clock card, which they would insert into the time recorder jack when starting work and then when leaving for the day at the end of their shift. At each insertion, the time recorder printed the exact time on the card. The company timekeeper would then calculate at the end of each week how many hours each employee had worked.

There were several variations. Willard Bundy, a jeweller by trade in Auburn, New York invented the Bundy Key Recorder in 1888. The Bundy Key Recorder was a time recorder which comprised several type-wheels which were controlled by a clock movement. Instead of using cards, the machine was able to print the exact time on a pre-printed paper tape when an employee had inserted their designated numbered key. The employees' personalized key number was also printed so that each member of staff's working week could be accurately recorded.

The next innovation in time card recording came from none other than IBM. IBM created a Time Recorder Division, which led by Thomas J Watson would go on to develop a large range of time-clock solutions. IBM devised the 'clock in, clock out,' innovation. If an employee came in late, the IBM time-clock printed the stamp in red ink.

IBM improved the accuracy throughout the years, making it possible to show the exact time on the exact morning or evening when the worker came in.

Today, most companies use an RFID tag or a magnetic card to record when workers come to work or leave. But the next step is clearly biometric readings, for security and accuracy. This time card calculator helps you prepare and print out weekly time card.