[Coco] NitrOS-9/OS-9 feature suggestion

John Guin johnguin at hotmail.com
Sun Aug 9 11:35:28 EDT 2015


I fought with time zones while I was on the Exchange and Outlook teams with Microsoft for more than 10 years.

The last I saw, there were somewhere around 157 time zones that Exchange/OL supported.  They constantly change (Venezuela was a great example - they decided mid week to change their time zone during the next weekend) and North Korea just announced they were changing their time zone this week.  I doubt OS-9 is used much in either country, though.  It still leads to an interesting political/legal view on which time zones you want to support.

Katmandu also has a 15 minute offset.

Sounds like a fun, challenging project that would make the implementor(s) think about the world more than the code/feature being implemented.

If you want a different perspective, read the last chapters of this book:  http://www.amazon.com/Dreaming-Code-Programmers-Transcendent-Software/dp/1400082471/ref=sr_1_1?ie=UTF8&qid=1439134365&sr=8-1&keywords=dreaming+in+code  Essentially, time zones are what killed that project.

Good feature request!

-----Original Message-----
From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of George Ramsower
Sent: Saturday, August 8, 2015 11:45 PM
To: coco at maltedmedia.com
Subject: Re: [Coco] NitrOS-9/OS-9 feature suggestion

On 8/9/2015 12:33 AM, K. Pruitt wrote:
> So New Zealand is +12:45 minutes off of GMT.
>
> Couldn't be off on the hour, or even the half hour. Had to be off on 
> the three quarters of the hour mark.
>
> Way to make things difficult, New Zealand.
>
> How does Linux store basic time zone info and also does Linux now 
> store location info (lat and long coordinates)?
>
>
> ----- Original Message ----- From: "K. Pruitt"
> Sent: Saturday, August 08, 2015 9:43 PM
> Subject: [Coco] NitrOS-9/OS-9 feature suggestion
>
>
>> I think a flag somewhere in the system would be useful to indicate 
>> the CoCo's time-zone.
>>
>> This could be very useful for a lot of time-based utilities.
>>
>> Perhaps the offset from GMT along with the status of DST stored in a 
>> file in the SYS directory?
>>
>> It would have to be a standard to be truly useful.
>>
>>
>>
>
>
  I was looking into this very subject a few days ago. There are several locations of odd time zones.
  Do a Google for "world time zones" and you will find many with odd time offsets.

George R.


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