Thanks very much. BTW, is it better to use Calendar instead of Date in most condition? Many methods in Date are marked as deprecated.
On Jul 20, 4:11 am, Brian Conrad <[email protected]> wrote: > You're lucky because DST is a mess with different starting and ending > times all over the world (and the countries will often change them > fromtimetotime). It is generally not used in countries near the equator > like India where sunrise and sunset won't vary that much during the year > to make it practical. Here's what I use to get the currenttimezone > whether the phone is set to a zone using DST or not: > Calendar c = Calendar.getInstance(); > double z = (double)c.getTimeZone().getOffset(c.getTimeInMillis()) / > 3600000.0; > > This will return a value such as -8.00 if it is Pacific StandardTime > and not DST and -7.00 ifDaylightSavingTimeis in effect. > There are other methods such as: > Calendar cal = Calendar.getInstance(); > double zone = > (cal.get(Calendar.ZONE_OFFSET)+cal.get(Calendar.DST_OFFSET))/3600000.0; > > I believe I found the first one may automatically change with DST and > the second one may too. > > The general rule with DST is spring forward (you set the clock ahead one > hour in the spring) and fall back (you set the clock back one hour to > standardtimein the fall). When these spring and fall change dates > occur is the mess. > > - Brian > > Cheng Zhong wrote: > > Hi all, > > > What will Date.getTime() returns in a region withDaylightSavingTime > > enabled? > > > Does this function returns a DSTtimeor not? > > > I call Date.getTime() in a place with DST (such as U.S.), and convert > > it to a localtimein China (no DST), I get a wrongtime(one hour > > ahead of localtimein China). How can I fixed this problem? > > > Maybe I didn't tell tings clearly, but we don't use DST in China... I > > don't understand DST very well. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
