timezone-offset

问题 This question already has answers here : How to find timezone ID from IP address/country name in PHP? (4 answers) Closed 5 years ago . I have a registration by which i can get the IP address of user who registers. I want to get the timezone of user by his IP address. Like in jquery we can get like this Timezone in jquery How can i do it in PHP. 回答1: You can use GeoIP based services http://www.php.net/manual/en/book.geoip.php Or You can use online services that gives timezone of the IP that

问题 I'm a Go newbie, and I'm struggling a bit trying to format and display some IBM mainframe TOD clock data. I want to format the data in both GMT and local time (as the default -- otherwise in the zone the user specifies). For this, I need to get the value of the local time offset from GMT as a signed integer number of seconds. In zoneinfo.go (which I confess I don't fully understand), I can see // A zone represents a single time zone such as CEST or CET. type zone struct { name string //

问题 I want to calculate the offset from 'users time' to 'WET/WEST'. I get the users offset with new Date().getTimezoneOffset() . But how do I get the offset for WET/WEST So that I can calcluate the combined offset of both? For example, if the user is in central europe time (CET/CEST), in winter the combined offset would be -60 (CET) + 0 (WET) = -60. In summer, it would be -120 (CEST) + 60 (WEST) = -60. In this case it is always -60 but the user could also have a timezone without DST. Is this

问题 I have tested this code <?php //date_default_timezone_set('Europe/Helsinki'); //date_default_timezone_set('Europe/London'); date_default_timezone_set("America/New_York"); $date1 = date("Y-m-d"); $unixDate=time(); echo '[{ "DATE" : "'.$date1.'"},{ "UNIXTIME" : "'.$unixDate.'" }]'; ?> in several sites (http://sandbox.onlinephpfunctions.com/ and http://www.tutorialspoint.com/execute_php_online.php) including my local server and my hosting server. All of these show the some UNIXTIME in sec even

问题 I have timezone names like Europe/Paris , America/New_York as described in http://en.wikipedia.org/wiki/List_of_tz_database_time_zones Given these strings (like "Europe/Paris") I want to know the UTC offset in seconds for these timezones. One way I can think of is play with TZ environment variables to set timezone and calculate offset.But I am able to figure out exactly how to do this. I am working in C on linux. Need your suggestions! 回答1: I am using the following code to get time with a

问题 I want to parse a date into a javascript date object. I am using the following new Date(Date.parse('2012-08-01')) The problem is my input date can be in multiple formats and parsing it should always give me the date object with the date as 2012-08-01 00:00:00 in local timezone. What are possible options in javascript without using any third party libraries ? I have a possible solution. But my concern is should i be worried that this will not work in certain android/iphone/kindle/surface

问题 I feel as if I have poured over nearly all of the documentation regarding dates in JS and GAS. Especially concerning DST issues. Since I have not had a problem like this until the DST change. I think I am missing something simple. The problem is that despite messing with all of the settings the hours on my date output from the format utility are still incorrect. Below is a screen shot of the debugger and a snippet of the code i am running. The value 'date' is the one that I am concerned with.

问题 When I output the facebook's user data [my facebook acc's] $user = $this->facebook->api('/me'); print_r($user); it gives -7, which is correct, but does it account for when DST is in effect? like when DST is in effect AND if my location uses DST, does FB update/change the offset accordingly? [timezone] => -7 [locale] => en_US 回答1: Facebook's documentation explains that the timezone field is the user's timezone offset from UTC. What it doesn't make clear, but I have found through

问题 I need library that can convert time zone to utc offset. I have list of Americans cities, and I know their zones (PST, EST ....) and locations. So my strategy can be library.getOffset('city location') myLibraryOrOtherLibrary.getOffset('EST') I know about library moment.js .But library doesn't support all Americans cities for something like below moment().tz("America/Los_Angeles").format(); Should I implement something myself or there is some other library or I can use moment.js in some other

问题 I'm attempting to put together an RFC3339 timestamp which will be used to write a certain entry to a database. That would be formatted as, for example, 2004-10-19 10:23:54+02, where the +02 is the offset in hours from GMT. It's this offset which is proving troublesome - I can't seem to derive this value in C. Here is the code I'm using. When I try to build, it says the tm struct doesn't have a member named tm_gmtoff: #include <time.h> #include <stdio.h> int main(void) { time_t now = time(NULL