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Timeline for Abbreviations for Time Symbols

Current License: CC BY-SA 3.0

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Jul 26, 2016 at 23:41 comment added Slepz I've seen it in timing contexts before, especially on stop watches with cheap displays.
Jul 26, 2016 at 19:45 comment added Hot Licks Yeah, it's less common to see ' used for minutes of time and " used for seconds of time than it is to see those characters used for minutes and seconds of longitude/latitude. I wouldn't say that either is "informal", but the audience for time values is broader than that for longitude/latitude values and hence less likely to be familiar with the notation.
Jul 26, 2016 at 18:58 history answered Non-Contradiction CC BY-SA 3.0