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Creating A Word Clock With Python And Tkinter

10th October 2021 - 17 minutes read time

I recently saw a design of a physical clock that inspired me to go about creating one using Python and Tkinter. The clock was essentially a wall of letters with lights behind that light up depending on what time it is. Without the lights the clock looks like a jumble of letters, it is only when the light is on that the relevant time is displayed.

The original clock was of a proprietary design so I set about creating one that was based more on an open source clock design that I found. That clock design I found didn't display the AM or PM of the time, so I ended up tweaking that design a little anyway.

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Converting The Current Time Into A Sentence In Python

3rd October 2021 - 16 minutes read time

Changing time into different formats is quite a common thing to do in programming. I have seen examples that change times into Roman numerals and other formats, but I realised I hadn't seen any code that changed the current time into a sentence. This means converting a numeric time value into a sentence that can be read. For example, the time 9:05 can be read as "it is five past nine", or if the time is 9:00 then it would read "it is nine o'clock". At it turns out, there are only a few rules that govern doing this.

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Converting To And From Decimal Time In PHP

29th November 2010 - 4 minutes read time

To convert a time value into a decimal value representing the number of minutes can be useful for certain calculations. The following function takes a time as a string of hh:mm:ss and returns a decimal value in minutes.

 * Convert time into decimal time.
 * @param string $time The time to convert
 * @return integer The time as a decimal value.
function time_to_decimal($time) {
    $timeArr = explode(':', $time);
    $decTime = ($timeArr[0]*60) + ($timeArr[1]) + ($timeArr[2]/60);

    return $decTime;

If we take the time of 11:11:11 this gets split into 3 parts by the explode() function into hours, minutes and seconds, which then gets treated in the following way:

Minutes = (Hours x 60) + (Minutes) + (Seconds / 60)
Minutes = (11 x 60) + (11) + (11 / 60)
Minutes = (660) + (11) + (0.18333333)
Minutes = 671.18333333

The function can be used as follows:

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