Top "Dst" questions

DST is the tag for Daylight Saving Time issues.

Timezone conversion in a Google spreadsheet

I know this looks simple. In a Google spreadsheet, I have a column where I enter time in one timezone (…

google-apps-script google-sheets timezone dst formulas
Get Timezone Information in VBA (Excel)

I would like to determine a time offset to GMT/UTC (including daylight saving time) for different countries at a …

excel vba timezone dst
Python daylight savings time

How do I check if daylight saving time is in effect?

python time dst
Best practices with saving datetime & timezone info in database when data is dependant on datetime

There were quite a few questions about saving datetime & timezones info in DB but more on the overall level. …

datetime timezone utc dst datetimeoffset
PHP UTC to Local Time

Server Environment Redhat Enterprise Linux PHP 5.3.5 Problem Let's say I have a UTC date and time such as 2011-04-27 02:45 …

php utc dst
Calculating daylight saving time from only date

I am working with an Arduino and a real time clock chip. The chip compensates for leap years and such, …

datetime arduino dst
MySQL datetime fields and daylight savings time -- how do I reference the "extra" hour?

I'm using the America/New York timezone. In the Fall we "fall back" an hour -- effectively "gaining" one hour …

php mysql datetime timestamp dst
How to add one day to a time obtained from time()

I have a time represented as the number of seconds elapsed since midnight, January 1, 1970, UTC (the results of an earlier …

c++ c date dst
Daylight savings time in Python

I am writing a program which deals a lot with timezones and crossing them. The two things I deal with …

python datetime dst pytz
Oracle TIMESTAMP WITH TIMEZONE named zone vs offset

In oracle, is the named timezone always stored? I have been testing this column within our system, and in some …

oracle datetime timezone timestamp dst