Top "Dst" questions

DST is the tag for Daylight Saving Time issues.

pytz.astimezone not accounting for daylight savings?

On 2013 Jun 1 I expect the "PST8PDT" timezone to behave like GMT+7, as it is daylight savings in that timezone. …

python dst pytz
Confusing behaviour of mktime() function : increasing tm_hour count by one

I am executing below code. int main() { struct tm storage={0,0,0,0,0,0,0,0,0}; char *p = NULL; p = (char *)strptime("2012-08-25 12:23:12","%Y-%m-%…

c++ dst mktime
Working with timezones and daylight savings time in Javascript

My single-page javascript app retrieves data in JSON format via REST calls. Dates come formatted using the UTC timezone in …

javascript datetime timezone utc dst
Ways to deal with Daylight Savings time with Quartz Cron Trigger

I have a quartz cron trigger that looks like so: <bean id="batchProcessCronTrigger" class="org.springframework.scheduling.quartz.CronTriggerBean"&…

cron quartz-scheduler dst
does php's date_default_timezone_set adjust to daylight saving?

Does php's date_default_timezone_set adjust to daylight saving? I have this code, and wonder if it will always …

php date timezone dst
c# daylight savings duplicate hour convert to UTC

I am using TimeZoneInfo to convert between client side wallclock 'Eastern Time' and UTC. My problem is with the 'duplicate' …

c# time dst
Android time zone and DST issue

I have an application which uses a schedule. The user picks what time the schedule should start/end, and I …

android dst timezone-offset
Check if DST is in effect

In PHP, date('I') will tell me if Daylight Savings Time is in effect. Does this tell me if DST …

php datetime offset dst gmt
Does ConvertTimeFromUtc() and ToUniversalTime() handle DST?

If daylight saving time is in effect, and a date object has been saved into the database (UTC format) which …

c# timezone dst
Why does momentjs isDST() return wrong time when zone() is used

I'm trying to check for isDST() (returns true or false if daylight saving time is active). It works fine if …

javascript timezone dst momentjs timezone-offset