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World Time Zones

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24 Nov 2008 (Updated )

Convert between local time and UTC. Get local time in various places in the world.

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Description

This application is based on a large table of places (cities, states, provinces,states) and their time zones. The methods are:
  t = timeZones() construct time converter object
  tz = t.zone(place) find a time zone (-11 to +12)
  tm = t.st2utc(time, place) convert local standard time to UTC
  tm = t.dst2utc(time, place) convert local daylight time to UTC
  tm = t.utc2st(time, place) convert utc to local standard time
  tm = t.utc2dst(time, place) convert utc to local daylight time
  t.places() all places for which time is tabulated

MATLAB release MATLAB 7.7 (R2008b)
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Comments and Ratings (9)
01 Dec 2014 Martin Foltin

It doesn't work with summer and winter time :(

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25 Oct 2012 VT

VT (view profile)

thank you, works perfectly

14 Feb 2011 David Goldsmith

Re: Erwin Mayer's contribution

But requires the Financial Toolbox

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24 Aug 2010 Tanyer Alan

Tanyer Alan (view profile)

 
21 Jun 2010 Erwin Mayer

Erwin Mayer (view profile)

Hello,

I have written a timezone converter that takes into account DST.
Check it out here: http://www.mathworks.com/matlabcentral/fileexchange/27953

It makes use of the Calendar Class in Java.

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29 Nov 2009 Bill McKeeman

Patrick, I considered DST, and implemented entries in case the use knew DST was in effect. Tabulating DST, even for the U.S., required knowing geographical boundaries for the surprisingly varied laws regulating time. Such an effort was well beyond my own needs, and probably more work than payoff except for customers like AMTRAK. I would be interested in someone else trying it, but not me.

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27 Nov 2009 Patrick Leung

This is very useful. However, how would one incorporate daylight saving? Is there a daylight saving library somewhere?

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07 Nov 2009 Arvind Ananthan

The constructor errors out in R2009b release!
??? Undefined function or method 'ctranspose' for input arguments of type 'function_handle'.
Error in ==> timeZones>public at 601
o = struct(...
Error in ==> timeZones at 490
tobj = public(); % prepare public interface

Comment only
07 Nov 2009 Arvind Ananthan

This is a pretty useful class for doing all sorts of UTC time computations.

Updates
11 Apr 2009 1.1

Implemented workaround for problem found in 2009a.

24 Jun 2009 1.2

removed screen shot

09 Nov 2009 1.3

Somehow a floating ' got into the source file. Sorry

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