timezone

问题 I am using this code to parse this date. It must show new date as "2012-06-20 03:09:38" as EDT is -4GMT and my current location is GMT+5. But its not showing this it now showing as it is private static void convertEDT_TO_GMT() { try { String s = "2012-06-20 18:09:38"; SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); df.setTimeZone(TimeZone.getTimeZone("EDT")); Date timestamp = null; timestamp = df.parse(s); df.setTimeZone(TimeZone.getTimeZone("GMT+05:00")); System.out

问题 If I grab the current timestamp using the NOW() function in MySQL can I grab that field via php and give that time in different time zones? Basically converting current time in the current timezone to another timezone? 回答1: You can use the DateTimeZone class: $gmt = new DateTimeZone("GMT"); $datetimeInGMT = new DateTime($now, $gmt); It also takes locations in the form continent/city , e.g. Europe/London . If your datetime is non-UTC, you can use setTimezone : $datetimeInGMT = new DateTime(

问题 I am writing a program that needs to send out an email every hour on the hour, but at a time local to the user. Say I have 2 users in different time zones. John is in New York and Fred is in Los Angeles. The server is in Chicago. If I want to send an email at 6 PM local to each user, I'd have to send the email to John at 7 PM Server time and Fred at 4 PM Server time. What's a good approach to this in .NET / Sql Server? I have found an xml file with all of the time zone information, so I am

问题 I have a table with a timestamp without time zone. YYYY-MM-DD HH:MM:SS and a field "timezone" that is either "P" for Pacific or "M" for Mountain. I need to create a field of type "timestamp with time zone" Given the two fields I have, is there a way to do this that correctly accounts for Daylight Saving Time? Specifically: timestamp: 2013-11-03 01:00:00 timezone: "P" would become: 2013-11-03 01:00:00-07 and timestamp: 2013-11-03 03:00:00 timezone: "P" would become: 2013-11-03 03:00:00-08 回答1:

问题 It seems we have found an issue with RTZ2 timezone (Russian Standard Time) in .Net Framework 4.5. If you try to convert time between 2014-01-01 00:00:00 and 2014-01-01 00:59:59 (in RTZ2 timezone) to UTC, you get an error: The supplied DateTime represents an invalid time. For example, when the clock is adjusted forward, any time in the period that is skipped is invalid. Example (https://dotnetfiddle.net/rNbp8F): var rtz2 = TimeZoneInfo.FindSystemTimeZoneById("Russian Standard Time"); var

问题 I appreciate your help one of the features working on for my new website! This is regarding the dynamic time_zones as per the requirement user would be able to choose from set of pre-defined time_zones say us_zones. When the user picks the zone the entire site should be set/updated to TimeZone. However, at present the new time zone is not becoming updated into Apache and the updation of time zone happens only at the restart of the server. I was thinking in the lines of using Rails Initializer

问题 Does anyone know if there is any existing solution for determining a timezone from a point (lon, lat)? i could hard code the few i need for this project but it'd be better to use a pre-built solution. thanks. 回答1: Use a webservice such as the one provided by geonames. Example: http://api.geonames.org/timezone?lat=47.01&lng=10.2&username=demo Returns: ... <timezoneId>Europe/Vienna</timezoneId> ... 回答2: Try this code for use Google Time Zone API: String get_xml_server_reponse(String server_url)

问题 I'm trying to get a date for flights from the user and the datepicker always sets the date as datetime object with the user's timezone, resulting in a wrong date sent to server. tried to use ng-model-options="{ timezone: 'utc' }" but then the user see the wrong date after choosing the date (the date displayed as a day before what the user chose). How can I tell datepicker to completely ignore timezone - if not possible what can I do on FE / BE to convert this date to non timezone date ? I

问题 >>> datetime.strptime('2014-02-13 11:55:00 -0800', '%Y-%m-%d %H:%M:%S %z') Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/_strptime.py", line 317, in _strptime (bad_directive, format)) ValueError: 'z' is a bad directive in format '%Y-%m-%d %H:%M:%S %z' I understand that it's not supported, but don't know why. Seems it's not hard to support that. And 'Offset from UTC' is not as ambiguous as

问题 I'm currently using an open source application: WeBid (available here) Here is the issue: The user has a preferred timezone stored in DB The site has a default timezone stored in DB All db stored dates are stored at "GMT-0" The application doesn't calculate the DST (Daylight Savings Time) correctly as it uses the following code: (includes/functions_global.php) $this->ctime = time() + (($this->SETTINGS['timecorrection'] + gmdate('I')) * 3600); $this->tdiff = ($this->SETTINGS['timecorrection']