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A binary clock is a clock which displays traditional sexagesimal time in a binary format. Originally, it showed each decimal digit of sexagesimal time as a binary value, but presently true binary clocks also exist. Most binary clocks are digital, although analog varieties exist.
## Binary-coded decimal clocks

## True binary

## See also

## External links

As of 2008, the most common binary clocks sold are designed by Anelace Inc., and uses six columns of LEDs to represent zeros and ones. Each column represents a single decimal digit, a format known as binary-coded decimal (BCD). The bottom row in each column represents 1 (or 2^{0}), with each row above representing higher powers of two, up to 2^{3} (or 8). To read each individual digit in the time, the user adds the values that each illuminated LED represents, then reads these from left to right. The first two columns represent the hour, the next two represent the minute and the last two represent the second. Since zero digits are not illuminated, this clock is not usable in the dark.

To read a BCD clock add the values of each column of LEDs to get six decimal digits. This gives two decimal digits each for hours, minutes, and seconds.

The latest version of the Anelace Inc. binary clock can also use just true binary to give the time (one number each for hours, minutes, and seconds) rather than six numbers for the decimal digits of the time units. Numbers are then displayed horizontally:

Hours | Minutes | Seconds | |
---|---|---|---|

32 | 1 | 1 | |

16 | 0 | 1 | |

8 | 1 | 0 | 1 |

4 | 0 | 1 | 0 |

2 | 1 | 0 | 0 |

1 | 0 | 1 | 0 |

10 | 37 | 49 |

The above display uses three binary number columns, one for each of the units (hours, minutes and seconds) of the conventional time system.

- pyBCD, a desktop binary clock created in Python. Works in Windows, *nix/Linux and Macintosh.
- Online Binary Clock
- How To Build A Binary Clock
- Digital Binary Clock
- Analog Binary Clock
- Mobile Binary Clock - A binary clock for your Java enabled phone.
- Real Time Flash Binary Clock
- Flash binary clock
- Simple Javascript binary clock
- True binary clock
- True Binary Time - the sixteen bit day: showing the time as a fractional part of the day
- Binary Alarm Clock

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Last updated on Friday October 10, 2008 at 03:52:09 PDT (GMT -0700)

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This article is licensed under the GNU Free Documentation License.

Last updated on Friday October 10, 2008 at 03:52:09 PDT (GMT -0700)

View this article at Wikipedia.org - Edit this article at Wikipedia.org - Donate to the Wikimedia Foundation

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