• This is the reason. Small changes like un-doing Daylight Savings is doable. But moving every holiday, birthday, and anniversary to another month+day combo would make this move daunting. The inertia of this kind of data would just make any transition period super long. So while you could implement the new calendar as a locale for phones and computer operating systems, but you’d probably be using two calendars for the rest of your life.

    • bufalo1973
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      11 year ago

      Not necessarily. Up until a fixed date for all the world, current calendar. From that day on, new calendar.

      • don
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        11 year ago

        My initial thought was “well, we changed calendars before, we can do it again” but then realizing the world’s current population of ~8 gigapeople is considerably larger than what the population was the last time the calendar was changed to what it is now.

          • don
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            11 year ago

            Oh wow, I would never have considered that they’d think like that.