Author Topic: summer time standard time  (Read 111 times)

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marco.grimandi

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summer time standard time
« on: January 22, 2023, 03:03:50 PM »
does planetdance take into account about summer time and standard time automatically?
Thank you for your support
Marco

Jean

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Re: summer time standard time
« Reply #1 on: January 22, 2023, 03:18:31 PM »
Yes it does, it's not perfect, there is no perfect one, but it's doing fine.
Greetings from Groningen Netherlands <)))><.`.><(((>

AB

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Re: summer time standard time
« Reply #2 on: February 25, 2023, 09:29:01 PM »
Hi Jean, can I ask were do you get this data from? I have two charts, especially one, where I would really like to know if there was summer time, one is 1972 September 6, Hungary, and the other one is 1978 April 16 Romania. I'm asking this because I looked through Wikipedia pages and the data I found is very conflicting. Both of these charts depend on an official record from the hospital, so whether on not there was a summer time in these years in these countries matters a lot.
Thanks in advance. I just hate uncertainty, lol.

Jean

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Re: summer time standard time
« Reply #3 on: February 26, 2023, 10:26:12 AM »
https://en.wikipedia.org/wiki/Tz_database

You can access it for instance on a linux/unix machine with the command tzdump.

It is however not very accurate in itself, i got lots of corrections, donated by someone.
There is the database at astro.com which i don't know any details about and there is the ACS atlas that solar fire uses (and a developer can use it for his software if you pay them the ridiculous amount of 500$ a year) BUT there is not one that is 100% accurate. There are many exceptions, like wars, laws etc etc especially in the 20th century when timezones started and everything was just beginning.
Greetings from Groningen Netherlands <)))><.`.><(((>

AB

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Re: summer time standard time
« Reply #4 on: February 28, 2023, 06:22:55 PM »
Exactly my issue. One hour is a lot of difference. Thanks in any case.