On 2013-W38-1, at 19:56, random...@fastmail.us wrote: > On Mon, Sep 16, 2013, at 9:15, Michael Schwarz wrote: >> According to the documentation of time.gmtime(), it returns a struct_time >> in UTC, but %z is replaced by +0100, which is the UTC offset of my OS’s >> time zone without DST, but DST is currently in effect here (but was not >> at the timestamp passed to gmtime()). > > The struct_time type does not include information about what timezone it > is in.
Uhm … Python 3.3 introduced the tm_gmtoff member of struct_time, which contains the offset to UTC. I thought, %z was also introduced in Python 3.3 and so I thought it would use that field. What time zone does it use then? Does it always use the system's time zone? > You can use datetime.datetime (e.g. datetime.datetime.fromtimestamp(40 * > 365 * 86400,datetime.timezone.utc) - the datetime.datetime class has a > strftime method. I do use that, but I was using time.localtime() to convert a POSIX timestamp to a date using the system's timezone and saw that while a struct_time produced by time.localtime() and formatted using time.strftime() shows the correct time zone (+0100 and +0200 here), it does not for a struct_time produced by time.gmtime(). I think that's strange. > You should be aware that %F and %T are not portable and won't work on > windows for example. I’m aware of that, but thanks. I was toying around and just needed to print the rest of the date. Regards Michael
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