thats great! Marcelo! sorry about the code confusion. :) do you have
any examples of how you are implementing this? I think i have put my
clocks together ok... i'd kinda like to see how you are using it. do
you mind?
On Wed, Mar 26, 2008 at 6:08 PM, Marcelo Volmaro <[EMAIL PROTECTED]> wrote:
> I did that code :)
>
> You have problems because the US changed the DST policy. Now it starts at
> SECOND SUNDAY of MARCH
> and ends at FIRST SUNDAY of NOVEMBER.
>
> So, USADLS now should be (2, 0, 3, 1, 0, 11);
>
> I don't know if the other policies changed too.
>
> This is the latest table:
> OLD_USADST: new Dst(LAST, SUNDAY, OCTOBER, FIRST, SUNDAY, APRIL),
> NEW_USADST: new Dst(FIRST, SUNDAY, NOVEMBER, SECOND, SUNDAY, MARCH),
> EU_DST: new Dst(LAST, SUNDAY, OCTOBER, LAST, SUNDAY, MARCH),
> CH_DST: new Dst(SECOND, SATURDAY, MARCH, SECOND, SATURDAY, OCTOBER),
> OCBR_DST: new Dst(SECOND, SUNDAY, FEBRUARY, FIRST, SUNDAY, NOVEMBER),
> NCBR_DST: new Dst(LAST, SUNDAY, FEBRUARY, FIRST, SUNDAY, NOVEMBER),
> MV_DST: new Dst(SECOND, SUNDAY, MARCH, FIRST, SUNDAY, OCTOBER),
> MA_DST: new Dst(LAST, SUNDAY, SEPTEMBER, LAST, SUNDAY, MARCH),
> JD_DST: new Dst(LAST, FRIDAY, SEPTEMBER, LAST, THURSDAY, MARCH),
> ME_DST: new Dst(LAST, SATURDAY, OCTOBER, LAST, SUNDAY, MARCH),
> EG_DST: new Dst(LAST, THURSDAY, SEPTEMBER, LAST, THURSDAY, APRIL),
> IS_DST: new Dst(THIRD, SUNDAY, SEPTEMBER, LAST, FRIDAY, MARCH),
> NA_DST: new Dst(FIRST, SUNDAY, SEPTEMBER, FIRST, SUNDAY, APRIL),
> AR_DST: new Dst(FIRST, SUNDAY, OCTOBER, FIRST, SUNDAY, APRIL),
> IR_DST: new Dst(FOURTH, TUESDAY, SEPTEMBER, FIRST, SUNDAY, MARCH),
> AU_DST: new Dst(LAST, SUNDAY, MARCH, LAST, SUNDAY, OCTOBER),
> TA_DST: new Dst(LAST, SUNDAY, MARCH, FIRST, SUNDAY, OCTOBER),
> NZ_DST: new Dst(THIRD, SUNDAY, MARCH, FIRST, SUNDAY, OCTOBER)
>
> There are a couple of countries that do not have a "programatic" DST but
> moves from year to year.
>
> Below is the XML I use to get the information I need:
>
> Attributes:
> n = name of the timezone
> b = time offset (in minutes)
> d = same, but in daylight
>
> f and l = used to identify first and last nodes. Any year before f will
> use the information in f for the calcs, any year after l will use the
> information in l.
>
> dst = the dst information from above.
> shh, ehh: Start hour and End hour where the change occurs (so, it is not
> always at 00:00).
>
> If a year does not has a DST information, it must has the information
> regarding the start and end date (sd = start day, sm = start month, ed =
> end day, em = end month). If no information is provided (nor DST nor
> Start/End dates), there are no DST for that specific year.
>
> Also, remember that countries/timezones that have DST may or may not apply
> the policy (example: Check GreenLand in the TimeZone control pannel in
> Windows, you have an option to adjust for DST or not).
>
> Hope this helps....
>
> <tzinfo>
> <tz n="(GMT-12:00) International Date Line West" b="720"/>
> <tz n="(GMT-11:00) Midway Island, Samoa" b="660"/>
> <tz n="(GMT-10:00) Hawaii" b="600"/>
> <tz n="(GMT-09:00) Alaska" b="540" d="480">
> <y f="2006" dst="OLD_USADST" shh="2" ehh="2"/>
> <y l="2007" dst="NEW_USADST" shh="2" ehh="2"/>
> </tz>
> <tz n="(GMT-08:00) Pacific Time (US & Canada)" b="480" d="420">
> <y f="2006" dst="OLD_USADST" shh="2" ehh="2"/>
> <y l="2007" dst="NEW_USADST" shh="2" ehh="2"/>
> </tz>
> <tz n="(GMT-08:00) Tijuana, Baja California" b="480" d="420">
> <y dst="OLD_USADST" shh="2" ehh="2"/>
> </tz>
> <tz n="(GMT-07:00) Arizona" b="420"/>
> <tz n="(GMT-07:00) Chihuahua, La Paz, Mazatlan" b="420" d="360">
> <y dst="OLD_USADST" shh="2" ehh="2"/>
> </tz>
> <tz n="(GMT-07:00) Mountain Time (US & Canada)" b="420" d="360">
> <y f="2006" dst="OLD_USADST" shh="2" ehh="2"/>
> <y l="2007" dst="NEW_USADST" shh="2" ehh="2"/>
> </tz>
> <tz n="(GMT-06:00) Central America" b="360"/>
> <tz n="(GMT-06:00) Central Time (US & Canada)" b="360" d="300">
> <y f="2006" dst="OLD_USADST" shh="2" ehh="2"/>
> <y l="2007" dst="NEW_USADST" shh="2" ehh="2"/>
> </tz>
> <tz n="(GMT-06:00) Guadalajara, Mexico City, Monterrey" b="360"
> d="300">
> <y dst="OLD_USADST" shh="2" ehh="2"/>
> </tz>
> <tz n="(GMT-06:00) Saskatchewan" b="360"/>
> <tz n="(GMT-05:00) Bogota, Lima, Quito, Rio Branco" b="300"/>
> <tz n="(GMT-05:00) Eastern Time (US & Canada)" b="300" d="240">
> <y f="2006" dst="OLD_USADST" shh="2" ehh="2"/>
> <y l="2007" dst="NEW_USADST" shh="2" ehh="2"/>
> </tz>
> <tz n="(GMT-05:00) Indiana (East)" b="300"/>
> <tz n="(GMT-04:00) Atlantic Time (Canada)" b="240" d="180">
> <y f="2006" dst="OLD_USADST" shh="2" ehh="2"/>
> <y l="2007" dst="NEW_USADST" shh="2" ehh="2"/>
> </tz>
> <tz n="(GMT-04:00) Caracas, La Paz" b="240"/>
> <tz n="(GMT-04:00) Manaus" b="240" d="180">
> <y f="2006" dst="OCBR_DST" shh="2"/>
> <y l="2007" dst="NCBR_DST"/>
> </tz>
> <tz n="(GMT-04:00) Santiago" b="240" d="180">
> <y dst="CH_DST" shh="23" smm="59" sss="59" ehh="23" emm="59"
> ess="59"/>
> </tz>
> <tz n="(GMT-03:30) Newfoundland" b="210" d="150">
> <y f="2006" dst="OLD_USADST" smm="1" emm="1"/>
> <y l="2007" dst="NEW_USADST" smm="1" emm="1"/>
> </tz>
> <tz n="(GMT-03:00) Brasilia" b="180" d="120">
> <y f="2006" dst="OCBR_DST" shh="2"/>
> <y l="2007" dst="NCBR_DST"/>
> </tz>
> <tz n="(GMT-03:00) Buenos Aires, Georgetown" b="180"/>
> <tz n="(GMT-03:00) Greenland" b="180" d="120">
> <y dst="OLD_USADST" shh="2" ehh="2"/>
> </tz>
> <tz n="(GMT-03:00) Montevideo" b="180" d="120">
> <y dst="MV_DST" shh="2" ehh="2"/>
> </tz>
> <tz n="(GMT-02:00) Mid-Atlantic" b="120" d="60">
> <y dst="MA_DST" shh="2" ehh="2"/>
> </tz>
> <tz n="(GMT-01:00) Azores" b="60" d="0">
> <y dst="EU_DST" shh="3" ehh="2"/>
> </tz>
> <tz n="(GMT-01:00) Cape Verde Is." b="60"/>
> <tz n="(GMT) Casablanca, Monrovia, Reykjavik" b="0"/>
> <tz n="(GMT) Greenwich Mean Time : Dublin, Edinburgh, Lisbon, London"
> b="0" d="-60">
> <y dst="EU_DST" shh="2" ehh="1"/>
> </tz>
> <tz n="(GMT+01:00) Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna"
> b="-60" d="-120">
> <y dst="EU_DST" shh="3" ehh="2"/>
> </tz>
> <tz n="(GMT+01:00) Belgrade, Bratislava, Budapest, Ljubljana, Prague"
> b="-60" d="-120">
> <y dst="EU_DST" shh="3" ehh="2"/>
> </tz>
> <tz n="(GMT+01:00) Brussels, Copenhagen, Madrid, Paris" b="-60"
> d="-120">
> <y dst="EU_DST" shh="3" ehh="2"/>
> </tz>
> <tz n="(GMT+01:00) Sarajevo, Skopje, Warsaw, Zagreb" b="-60" d="-120">
> <y dst="EU_DST" shh="3" ehh="2"/>
> </tz>
> <tz n="(GMT+01:00) West Central Africa" b="-60"/>
> <tz n="(GMT+02:00) Amman" b="-120" d="-180">
> <y dst="JD_DST" shh="1"/>
> </tz>
> <tz n="(GMT+02:00) Athens, Bucharest, Istanbul" b="-120" d="-180">
> <y dst="EU_DST" shh="4" ehh="3"/>
> </tz>
> <tz n="(GMT+02:00) Beirut" b="-120" d="-180">
> <y dst="ME_DST" shh="23" smm="59" sss="59"/>
> </tz>
> <tz n="(GMT+02:00) Cairo" b="-120" d="-180">
> <y dst="EG_DST" shh="23" smm="59" sss="59" ehh="23" emm="59"
> ess="59"/>
> </tz>
> <tz n="(GMT+02:00) Harare, Pretoria" b="-120"/>
> <tz n="(GMT+02:00) Helsinki, Kyiv, Riga, Sofia, Tallinn, Vilnius"
> b="-120" d="-180">
> <y dst="EU_DST" shh="4" ehh="3"/>
> </tz>
> <tz n="(GMT+02:00) Jerusalem" b="-120" d="-180">
> <y f="2003" dst="IS_DST" shh="2" ehh="2"/>
> <y n="2004"/>
> <y n="2005" sd="9" sm="9" ed="1" em="3" shh="2" ehh="2"/>
> <y n="2006" sd="1" sm="9" ed="31" em="2" shh="2" ehh="2"/>
> <y n="2007" sd="16" sm="8" ed="30" em="2" shh="2" ehh="2"/>
> <y n="2008" sd="5" sm="9" ed="28" em="2" shh="2" ehh="2"/>
> <y n="2009" sd="27" sm="8" ed="27" em="2" shh="2" ehh="2"/>
> <y n="2010" sd="12" sm="8" ed="26" em="2" shh="2" ehh="2"/>
> <y n="2011" sd="2" sm="9" ed="1" em="3" shh="2" ehh="2"/>
> <y n="2012" sd="23" sm="8" ed="30" em="2" shh="2" ehh="2"/>
> <y n="2013" sd="8" sm="8" ed="29" em="2" shh="2" ehh="2"/>
> <y n="2014" sd="28" sm="8" ed="28" em="2" shh="2" ehh="2"/>
> <y n="2015" sd="20" sm="8" ed="27" em="2" shh="2" ehh="2"/>
> <y n="2016" sd="9" sm="9" ed="1" em="3" shh="2" ehh="2"/>
> <y n="2017" sd="24" sm="8" ed="31" em="2" shh="2" ehh="2"/>
> <y n="2018" sd="16" sm="8" ed="30" em="2" shh="2" ehh="2"/>
> <y n="2019" sd="6" sm="9" ed="29" em="2" shh="2" ehh="2"/>
> <y n="2020" sd="27" sm="8" ed="27" em="2" shh="2" ehh="2"/>
> <y n="2021" sd="12" sm="8" ed="26" em="2" shh="2" ehh="2"/>
> <y l="2022" sd="2" sm="9" ed="1" em="3" shh="2" ehh="2"/>
> </tz>
> <tz n="(GMT+02:00) Minsk" b="-120" d="-180">
> <y dst="EU_DST" shh="3" ehh="2"/>
> </tz>
> <tz n="(GMT+02:00) Windhoek" b="-120" d="-60">
> <y dst="NA_DST" shh="2" ehh="2"/>
> </tz>
> <tz n="(GMT+03:00) Baghdad" b="-180" d="-240">
> <y dst="AR_DST" shh="4" ehh="3"/>
> </tz>
> <tz n="(GMT+03:00) Kuwait, Riyadh" b="-180"/>
> <tz n="(GMT+03:00) Moscow, St. Petersburg, Volgograd" b="-180"
> d="-240">
> <y dst="EU_DST" shh="3" ehh="2"/>
> </tz>
> <tz n="(GMT+03:00) Nairobi" b="-180"/>
> <tz n="(GMT+03:00) Tbilisi" b="-180"/>
> <tz n="(GMT+03:30) Tehran" b="-210" d="-270">
> <y n="2005" dst="IR_DST" shh="2" ehh="2"/>
> </tz>
> <tz n="(GMT+04:00) Abu Dhabi, Muscat" b="-240"/>
> <tz n="(GMT+04:00) Baku" b="-240" d="-300">
> <y dst="EU_DST" shh="5" ehh="4"/>
> </tz>
> <tz n="(GMT+04:00) Yerevan" b="-240" d="-300">
> <y dst="EU_DST" shh="3" ehh="2"/>
> </tz>
> <tz n="(GMT+04:30) Kabul" b="-270"/>
> <tz n="(GMT+05:00) Ekaterinburg" b="-300" d="-360">
> <y dst="EU_DST" shh="3" ehh="2"/>
> </tz>
> <tz n="(GMT+05:00) Islamabad, Karachi, Tashkent" b="-300"/>
> <tz n="(GMT+05:30) Chennai, Kolkata, Mumbai, New Delhi" b="-330"/>
> <tz n="(GMT+05:30) Sri Jayawardenepura" b="-330"/>
> <tz n="(GMT+05:45) Kathmandu" b="-345"/>
> <tz n="(GMT+06:00) Almaty, Novosibirsk" b="-360" d="-420">
> <y dst="EU_DST" shh="3" ehh="2"/>
> </tz>
> <tz n="(GMT+06:00) Astana, Dhaka" b="-360"/>
> <tz n="(GMT+06:30) Yangon (Rangoon)" b="-390"/>
> <tz n="(GMT+07:00) Bangkok, Hanoi, Jakarta" b="-420"/>
> <tz n="(GMT+07:00) Krasnoyarsk" b="-420" d="-480">
> <y dst="EU_DST" shh="3" ehh="2"/>
> </tz>
> <tz n="(GMT+08:00) Beijing, Chongqing, Hong Kong, Urumqi" b="-480"/>
> <tz n="(GMT+08:00) Irkutsk, Ulaan Bataar" b="-480" d="-540">
> <y dst="EU_DST" shh="3" ehh="2"/>
> </tz>
> <tz n="(GMT+08:00) Kuala Lumpur, Singapore" b="-480"/>
> <tz n="(GMT+08:00) Perth" b="-480" d="-540">
> <y f="2004" dst="AU_DST" shh="3" ehh="2"/>
> <y n="2005"/>
> <y n="2006" sd="1" sm="0" ed="1" em="11" ehh="2"/>
> <y l="2007" dst="AU_DST" shh="3" ehh="2"/>
> </tz>
> <tz n="(GMT+08:00) Taipei" b="-480"/>
> <tz n="(GMT+09:00) Osaka, Sapporo, Tokyo" b="-540"/>
> <tz n="(GMT+09:00) Seoul" b="-540"/>
> <tz n="(GMT+09:00) Yakutsk" b="-540" d="-600">
> <y dst="EU_DST" shh="3" ehh="2"/>
> </tz>
> <tz n="(GMT+09:30) Adelaide" b="-570" d="-630">
> <y dst="AU_DST" shh="3" ehh="2"/>
> </tz>
> <tz n="(GMT+09:30) Darwin" b="-570"/>
> <tz n="(GMT+10:00) Brisbane" b="-600"/>
> <tz n="(GMT+10:00) Canberra, Melbourne, Sydney" b="-600" d="-660">
> <y dst="AU_DST" shh="3" ehh="2"/>
> </tz>
> <tz n="(GMT+10:00) Guam, Port Moresby" b="-600"/>
> <tz n="(GMT+10:00) Hobart" b="-600" d="-660">
> <y dst="TA_DST" shh="3" ehh="2"/>
> </tz>
> <tz n="(GMT+10:00) Vladivostok" b="-600" d="-660">
> <y dst="EU_DST" shh="3" ehh="2"/>
> </tz>
> <tz n="(GMT+11:00) Magadan, Solomon Is., New Caledonia" b="-660"/>
> <tz n="(GMT+12:00) Auckland, Wellington" b="-720" d="-780">
> <y dst="NZ_DST" shh="3" ehh="2"/>
> </tz>
> <tz n="(GMT+12:00) Fiji, Kamchatka, Marshall Is." b="-720"/>
> <tz n="(GMT+13:00) Nuku'alofa" b="-780"/>
> </tzinfo>
>
>
> On Wed, 26 Mar 2008 19:25:47 -0300, Corban Baxter <[EMAIL PROTECTED]>
> wrote:
>
>
>
> > Hey all,
> > because of the daylight savings time going on across the world I was
> > having trouble with the world clocks I setup for a client. I tried to
> > implement the code below but was un succesful to do it correctly
> > apparently. Does anyone have any working examples of this. And if so
> > do you mind sharing? Thanks ALL!!
> >
> >
> >
> > Code via: Keith Reinsfield (I think* sorry...)
> > dstPolicies = {
> > USADLS:new DstPolicy(1,0,4, -1,0,10),
> > EUDLS:new DstPolicy(-1,0,3, -1,0,10),
> > AU2003DLS:new DstPolicy(-1,0,10, -1,0,3),
> > AUTDLS:new DstPolicy(1,1,10, -1,0,3),
> > RUDLS:new DstPolicy(-1,0,3, -1,0,10),
> > EGDLS:new DstPolicy(-1,5,4, -1,4,9),
> > IRDLS:new DstPolicy(-1,6,3, -1,1,9),
> > IQDLS:new DstPolicy(255, 1,4, 255, 1,10),
> > ILDLS:new DstPolicy(-1,4,3, 1,4,10),
> > JODLS:new DstPolicy(-1,3,3, -1,4,10),
> > NADLS:new DstPolicy(1,0,9, 1,0,4),
> > PKDLS:new DstPolicy(1,6,4, 1,6,10),
> > SYDLS:new DstPolicy(255,30,3, 255,21,9),
> > CLDLS:new DstPolicy(2,0,10, 2,0,3),
> > CLEDLS:new DstPolicy(2,5,10, 2,6,3),
> > NZDLS:new DstPolicy(1,0,10, 3,0,3),
> > PYDLS:new DstPolicy(1,0,9, 1,0,4),
> > FKDLS:new DstPolicy(1,0,9, -1,0,4)
> > };
> >
> > /*Where the first number is the position (1: first, -1:last, 255:
> > straight
> > date), the second and the third are the day/month.
> > If the position is 255, the date is a straight day/month date, so for
> > example for IRAQ the start date is April 1.
> >
> > The formulas for the calcs are:*/
> >
> > /**
> > * @param y:int Year
> > * @param m:int Month (0 - 11)
> > * @param n:int Day of the week (0 for a Sunday, 1 for
> > a Monday, 2 for a
> > Tuesday, etc)
> > * @param w:int Occurence (1:first, 2:second, 3:third,
> > 4:fourth, -1:last)
> > * @return real day of the month where the DST starts/ends
> > *
> > * first friday = w:1, n:5
> > * third monday = w:3, n:1
> > * last monday = w:-1, n:1
> > */
> >
> > function calcStartEnd(y:Number, m:Number, n:Number, w:Number):Number {
> > if (w<0) {
> > var nd:Number = (new Date(y, m, 0)).getDate();
> > var diff:Number = (getDayOfWeek(y, m+1, nd)-n)%7;
> > if (diff<0) {
> > diff += 7;
> > }
> > return nd-diff;
> > }
> >
> > var nq:Number = 7*w-6+(n-getDayOfWeek(y, m+1, 1))%7;
> > if (nq<1) {
> > nq += 7;
> > }
> >
> > return nq;
> > }
> >
> > /**
> > * @param y:int Year
> > * @param m:int Month (1 - 12)
> > * @param d:int Day (1 - 31)
> > * @return 0 for a Sunday, 1 for a Monday, 2 for a
> > Tuesday, etc.
> > */
> >
> > function getDayOfWeek(y:Number, m:Number, d:Number):Number {
> > var a:Number = Number((14-m)/12);
> > y -= a;
> > m += 12*a-2;
> > var r:Number =
> > (d+y+Number(y/4)-Number(y/100)+Number(y/400)+int((31*m)/12))%7;
> > if (r<0) {
> > return 7+r;
> >
> > } else {
> > return r;
> > }
> > }
> >
>
>
>
> --
> Marcelo Volmaro
>
> _______________________________________________
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>
--
Corban Baxter
http://www.projectx4.com
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