A 1/400th day spell division into 9 zones of 24 h x400sj (sj = john's second) to equate 86400 second to day. In arc-angle, 1/400th is what I now know as 'grad' but when I started my calendar calculations etc. (1970-71) I used the term: Metric Degree (My contribution The Metric Second; Bureau of Indian Standards, New Delhi (1973 April) referes.
The important fact is LINKAGE of *time unit with arc-length* to make any purposeful contribution.
Brij Bhushan Vij <[EMAIL PROTECTED]>
20040316T19:05(decimal) PM(IST)
Aa Nau Bhadra Kritvo Yantu Vishwatah -Rg Veda.
*****The New Calendar Rhyme*****
Thirty days in July, September:
April, June, November, December;
All the rest have thirty-one; accepting February alone:
Which hath but twenty-nine, to be (in) fine;
Till leap year gives the whole week READY:
Is it not time to MODIFY or change to make it perennial, Oh Daddy!
And make the calendar work with Leap Week Rule! ***** ***** ***** *****
From: "Palmen, KEV (Karl)" <[EMAIL PROTECTED]>
Reply-To: East Carolina University Calendar discussion List <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Subject: Re: Decimal Time RE: [USMA:29185] Re: Point-of-order on Decimal t ime
Date: Tue, 16 Mar 2004 09:29:41 -0000
Dear John
> -----Original Message----- > From: John Hynes [mailto:[EMAIL PROTECTED] > Sent: 15 March 2004 20:09 > To: [EMAIL PROTECTED] > Subject: Re: Decimal Time RE: [USMA:29185] Re: Point-of-order > on Decimal > time > > > I am glad that you like the clock. There are various other > configurations > at http://decimaltime.hynes.net/clocks.html.
I see the same thing but with the 0 at the top. I see a deciday hand (100 millidays) a centiday hand (10 millidays) and a 0.1 milliday hand (goes round in one milliday). There is NO milliday hand.
I make it clear what I mean by a unit hand, where unit is a decimal time unit. A unit hand is the hand that moves from one number to the next in one unit and so show the unit part of the time.
For example 9am is 375.000 millidays.
The deciday hand would point between 3 and 4 three quarters of the way to the 4. I see this on your clock (angle 135 degrees) The centiday hand would point halfway between the 7 and 8 so as to be horizontal (angle 270 degrees). The milliday hand (if you had one) would point down to the 5 (angle 180 degree). All faster hands would point up to the zero (angle 0 degree).
> > However, the hands are based upon French decimal time, where > a decimal hour > is 0.1 (1/10) day, a decimal minute is 0.001 day (1/100 hour) > and a decimal > second is 0.000 01 day (1/100 minute). > In millidays that > would be 100, 1 > and 0.01. (or 10 microdays) There is a milliday hand; it is > not missing.
Each of these time units is 100 of the next smaller time unit so each hand would go 100 times faster than the next slower hand (not 10). This is clearly not the case with John's clock (having checked it around 375.00 millidays). The three hands are not consistent with the these three units.
Actually a hand speed ratio of a 100 is too large for telling the time at a glance. One needs something lower such as 12 or 10.
I don't think the French had a hand speed ratio of 100. I expect they had a deciday (hour) hand and a centiday (10 minute) hand and possibly a 0.1 milliday (10 second) hand.
If one did not have a milliday hand, one could call the 10 milliday hand a
milliday hand (contrary to my definition above), one would have to multiply
the figure it points to by 10 as one would multiply the figure a minute hand
points to by 5.
> I did used to have some other configurations of the hands besides > 10x100x100, which I lost when I moved servers. These > included days divided > into 20, 25 and 40 hours, all of which have been proposed by different > people at one time or another.
I'm just a little surprised that no one besides my self thought of a time
unit of 1/400 day called a grad (as with the French unit of angle). The
clock face would cycle in 6 hours rather than 12 hours and would have a grad
hand and a 10 grad hand. One grad = 3 minutes and 36 seconds.
> > Various proposals have been made regarding time zones, > including 0.1 and > 0.05 day offsets, as well as their complete elimination. The > clock on my > site shows the local standard time converted to decimal, and > since standard > time zones are usually 0.04166666 day apart, I use letter > designations, with > "Z" representing UT.
Karl Palmen
06(08(24 till noon
> > John Hynes > > ----- Original Message ----- > From: "Palmen, KEV (Karl)" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Monday, March 15, 2004 5:28 AM > Subject: Decimal Time RE: [USMA:29185] Re: Point-of-order on > Decimal time > > > > Dear John and Calendar People > > > > > -----Original Message----- > > > From: East Carolina University Calendar discussion List > > > [mailto:[EMAIL PROTECTED] Behalf Of John Hynes > > > Sent: 13 March 2004 01:48 > > > To: [EMAIL PROTECTED] > > > Subject: Re: [USMA:29185] Re: Point-of-order on Decimal time > > > > > > > > > I believe that such time clocks are not unusual. I have seen > > > some which > > > stamp 8.0 for 8:00-8:05:59, 8.1 for 8:06-8:11:59, etc. I > > > checked Google and > > > found numerous examples. Some also show hundredths of an hour. > > > > > > John Hynes > > > http://decimaltime.hynes.net > > > > I like the decimal clock on that page. The lower half to > > the clock face is > > black to indicate night (750 millidays to 250 millidays) > > with the 0 at the > > bottom and numbers going round clockwise 0 to 9. I can see > > that my local > > decimal time for about 13:04 is 545 millidays. The clock > > has three hands: > > (1) a 100 milliday hand which takes 100 millidays to move > > to the next number > > (1000 millidays to go round) > > (2) a 10 milliday hand which takes 10 millidays to move to > > the next number > > (100 millidays to go round) > > (3) a 0.1 milliday hand which takes 0.l millidays to move > > to the next number > > (1 milliday to go round). > > > > Missing is the milliday hand, which takes 1 milliday to > > move to the next > > number (10 millidays to go round). > > > > If the two slowest hands point exactly the same way > (assuming continuous > > motion) then all faster hands point the same way. There are > > nine such times > > each day exactly 24/9 hours = 2 hours 40 minutes apart, so giving > > All together at 0 00:00 > > All together near 1 02:40 > > All together near 2 05:20 > > All together near 3 08:00 > > All together near 4 10:40 > > All together near 6 13:20 > > All together near 7 16:00 > > All together near 8 18:40 > > All together near 9 21:20 . > > > > If the two slowest hands point in exactly opposite > > directions, then the > > faster hands will all point the same way as the second > > slowest hand (the 10 > > milliday hand). The resulting times are exactly halfway > > between the times > > where all hands point the same way. If the two slowest > > hands are at right > > angles, the faster hands will all point the opposite > > direction to the second > > slowest (10 milliday) hand. Times of any of these three types occur > > exactly once every 40 minutes. > > > > Then there is the issue of decimal time zones. I'd expect > > most would be a > > multiple of 50 millidays (72 minutes) different from UT > > also I'd expect the > > daylight saving time adjustment to be 50 millidays. > > > > Karl > > > > 06(08(24 and 24 = LCM(6,8)
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