>>>>Even better, come November, we'll have an interesting second (twice):
>>>
>>>Once. Unless you share the common illusion that the day has 12 hours twice. We learn that it has 24 hours.
>>
>>If a day has twenty four hours how many does a night have ?
>
>A day has 24 hours plus the night - just as the week has seven days and the weekend.
>
>>We're also under the illusion that the year has 30 odd days twelve times over. We learn that it has 365.....
>
>We're on the wrong planet. We'd need one with 256 days with 32 hours each. Or something equally smooth so our love for round numbers and ease of programming would be satisfied.
>
>>Anyway the use of the 24hr notation is pretty recent outside scientific use. Even the military were using a twelve hour clock during WW1. I think only the advent of digital watches made the 24hr notation more acceptable to most people - and I still very rarely hear it used in general conversation. When was the last time you agreed to meet someone at the pub at 2030 hrs ?
>
>There aren't two thousand hours in a day, no matter what they say :). At 20:30, well, we do use that when there can be any confusion... like "wake me up at 16", or when one wakes up in a winter night, sees it's 7, but doesn't know whether it's morning or evening.
>
>OTOH, you won't see a poster advertising an event starting at 4 - it'll be at 16:00, or 19:30 or whatever. TV schedules in all the newspapers or websites also have 24-hour notation. One possible hurdle with 2x12 is that we don't use am/pm (Latin is not that popular), and any pair of expressions we regularly use can't be abbreviated. One pair is ujutro/uveče (in the morning/in the evening), which would be u/u, or uj/uv (looks silly), or prepodne/poslepodne (beforenoon, afternoon), a pp/pp :).

It's a long time since I suggested that we change the whole time system. Let's introduce new minutes with 1000 seconds in them. 1000 minutes = 1 day, no need for hours. 1000 days = 1 year. No weeks and months. And no weekends, meaning less crime. I see no downsides in this suggestion.