Erm's I.T. Girl – Zelna Ellis

Don't fear when Zel is near…

Palindrome numbers in the date

Well my uncle has pointed out the palindrome number of yesterday’s date, 01/02/2010 backwards is the same. It has been a discussion for two days now. My brother Quintin, and cousin Derron think I am bored out of my find. But have to agree with me friend Andrea it is a cool fact, esta bom! That’s it!

Well using the astronomical calendar, which by the way has a year zero; here are the results on the algorithms used:

In the millennium of the year 0000 (zero):
Occurrences: 36 times
Starting at the year zero it occurred for the first time on 01/10/0110.
Here is a definite pattern. It occurs for 4 years consecutively and then skipped 96 years.
Happened the last time for this area on 31/10/0113

In the millennium of the year 1000 :
Occurrences: 61 times
It skipped 87 years Happened for the first time in this time frame on 10-01-1001. This time only consecutively for 3 years.
Skipped 6 years, (01/01/1010) and for this time consecutively for 4 years.
Then it skipped 6 years and happened consecutively for 3 years.
Then it skipped 7 years (05/11/1150) and happened consecutively for 3 years afterwards, until 29/11/1192

In the millennium of the year 2000 :
Occurrences: 60 times
This is in my life time🙂
Skipped 808 years. (10/02/2001) and for this time consecutively for 2 years only.
Then it skipped 7 years and happened yesterday (01/02/2010). This time it is going to occur 3 years consecutively.
Will skip 7 years and occur for 3 years consecutively until 10/21/2101. Here it will skip 8 years and occur for 3 years consecutively
Then it will skip 6 years and occur for 4 years consecutively.
Then it will skip years and occur for 3 years consecutively.
Then it is back at skipping 7 years and occurring for 4 years consecutively until 29/12/2192.

In the millennium of the year 3000 :
Occurrences: 31 times
Skipped 808 years (10/03/3001) and blah, blah, blah…

In the millennium of the year 4000 :
Occurrences: 31 times
Skipped 908 years (10/03/3001) and blah, blah, blah…

It keeps on skipping 908 years for every millennium until 29/09/9092 then we estimate that it will skip 1017 years and occur again on 01/10/10110.

Download the csv file here.

My conclusion:
This is just cool things. If you use another date format or calendar this is totally obsolete. Another point that has been discussed and we don’t have the answers is: If an eclipse ellipse has 360 degrees, the earth rotate around the sun in a form of an eclipse ellipse, why do we have 365 ¼ days per year?

2 February 2010 - Posted by | Technologies |

2 Comments »

  1. I think the 360 degrees was retro-fitted to the ellipse (not eclipse), back when things were simple and we had only had 30 day months, 12 of them. Later on things got adjusted to correct errors, but it was just too late to adjust everything.

    Comment by Brady Kelly | 10 February 2010 | Reply

    • Oops should read ellipse, not eclipse, thanks Bradley🙂

      Comment by zellis | 10 February 2010 | Reply


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