Re: [LEAPSECS] Multi-timezone meetings

2012-01-26 Thread Tony Finch
Rob Seaman sea...@noao.edu wrote: In an earlier message I also said: Scheduling software does a pretty good job of supporting the range of timezones and DST rules (presumably layered on Olson), except for educating the users who often forget during changeover that Arizona and Hawaii, in

Re: [LEAPSECS] Multi-timezone meetings

2012-01-26 Thread Clive D.W. Feather
Rob Seaman said: You've imposed the additional requirement that you can't have a primary timezone, for political reasons. Requirements are discovered, not imposed. This from the person who insists that a priori civil time must synchronize with the sun? -- Clive D.W. Feather | If

Re: [LEAPSECS] Multi-timezone meetings

2012-01-26 Thread Rob Seaman
Almost overlooked this one! That would never do... Clive D.W. Feather wrote: Rob Seaman said: Requirements are discovered, not imposed. This from the person who insists that a priori civil time must synchronize with the sun? Rather, it is ITU-R Study Group 7 that has insisted on a

Re: [LEAPSECS] Multi-timezone meetings

2012-01-26 Thread Daniel R. Tobias
On 25 Jan 2012 at 12:05, Rob Seaman wrote: I don't recall saying any such thing. The original reply was to this comment from Daniel R. Tobias: Usually such events are only fixed relative to local civil time in the place where the event is to take place... I was pointing out that in

Re: [LEAPSECS] Multi-timezone meetings

2012-01-25 Thread Tony Finch
Rob Seaman sea...@noao.edu wrote: The way to deal with multi-location metings is to choose a primary location, then it it obvious what will happen when TZ rules change. Interesting. Immediately after that I said: Whatever our individual positions on the issues, they will be better

Re: [LEAPSECS] Multi-timezone meetings

2012-01-25 Thread Gerard Ashton
On 1/25/2012 8:40 AM, Tony Finch explained it would be desirable to store information about events that are to be observed in local civil time as a local time and a location, so that the time zone could be looked up close to the time of the event, and thereby avoid reliance on stale time zone

Re: [LEAPSECS] Multi-timezone meetings

2012-01-25 Thread Tony Finch
Gerard Ashton ashto...@comcast.net wrote: This suggest a desire for an algorithm that accepts as input a latitude and longitude of a point of interest, and a set of boundaries, and determines which of the regions the point of interest falls in. Does anyone know of such an algorithm? I

Re: [LEAPSECS] Multi-timezone meetings

2012-01-25 Thread Rob Seaman
Tony Finch wrote: You'll have to explain why you think videoconferencing breaks the Olson timezone database to me, because I don't get it. I don't recall saying any such thing. The original reply was to this comment from Daniel R. Tobias: Usually such events are only fixed relative to

Re: [LEAPSECS] Multi-timezone meetings

2012-01-25 Thread Tony Finch
On 25 Jan 2012, at 19:05, Rob Seaman sea...@noao.edu wrote: Tony Finch wrote: You'll have to explain why you think videoconferencing breaks the Olson timezone database to me, because I don't get it. I don't recall saying any such thing. I said: Displaying the time correctly for

Re: [LEAPSECS] Multi-timezone meetings

2012-01-25 Thread Rob Seaman
Ian Batten wrote: You've imposed the additional requirement that you can't have a primary timezone, for political reasons. Requirements are discovered, not imposed. That's not an engineering requirement, or at least, it's a constraint more easily solved by sacking people than dreaming up

[LEAPSECS] Multi-timezone meetings

2012-01-24 Thread Rob Seaman
Tony Finch wrote: Rob Seaman wrote: Virtually all of our meetings take place in more than one place since we have sites in Arizona and Chile, Corporate HQ in DC, partners in California and Hawaii (and a dozen other places). I imagine this is not atypical these days. Scheduling changes