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Re: DST issue in calculating local time?


 

Since we're doing astronomical observations it would save confusion if
all times in the results were in UTC. If necessary the observer could
convert them to local time. We have it much simpler in Europe, there are
not so many timezones, no local differences and everybody changes to
summer/winter time at the same time. There's even talk of having a
single timezone, but the countries can't agree on which one to choose.?
DST was introduced because people thought it would save energy, but the
actual saving is very small, at the cost of a lot of confusion,
especially in timetables
Best wishes, Jerry (UTC+1)

Am 23.02.2021 um 21:21 schrieb TriAstro:

I'm in Arizona, USA which doesn't follow DST.

I was looking at the Europa/Io event on March 5th and the software
provides a local time for the event of 6:29am.
I loaded up Stellarium to see the big picture and the event doesn't
appear to take place till 7:29am local time.In Stellarium I have my
time zone set to Phoenix (mountain time) and have disabled DST, and
since I haven't noticed any issues before, I believe Stellarium is
configured correctly.

Is there a setting in Occult Watcher I might have missed regarding DST?

Oh, a couple more pieces of evidence.
I have a couple of additional planet satellite events, one on 17Mar
and the other on 29Mar. These two events agree with what Stellarium shows.

DST doesn't kick in until the morning of 7Mar, so the first event on
the 5th is before DST while the other two events are after DST is "on".

Vince

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