UTC Date Time String to Timezone

Question

How do I convert a date time string  e g  2011-01-01 15 00 00  that is UTC to any given timezone php supports  such as America New York  or Europe San Marino

User · Answer

How about    timezone   new DateTimeZone  UTC     date   new DateTime  2011-04-21 13 14    timezone   echo  date- gt format

User · Answer

General purpose normalisation function to format any timestamp from any timezone to other  Very useful for storing datetimestamps of users from different timezones in a relational database  For database comparisons store timestamp as UTC and use with gmdate  Y-m-d H i s          Convert Datetime from any given olsonzone to other      return datetime in user specified format      function datetimeconv  datetime   from   to        try           if   from  localeFormat       Y-m-d H i s                  datetime   DateTime  createFromFormat  from  localeFormat     datetime - gt format  Y-m-d H i s                       datetime   new DateTime  datetime  new DateTimeZone  from  olsonZone               datetime- gt setTimeZone new DateTimeZone  to  olsonZone              return  datetime- gt format  to  localeFormat           catch   Exception  e            return null           Usage    from     localeFormat    gt   quot d m Y H i A quot    olsonZone    gt   Asia Calcutta      to     localeFormat    gt   quot Y-m-d H i s quot    olsonZone    gt   UTC     datetimeconv  quot 14 05 1986 10 45 PM quot    from   to      returns  quot 1986-05-14 17 15 00 quot

User · Answer

PHP s DateTime object is pretty flexible    UTC   new DateTimeZone  UTC     newTZ   new DateTimeZone  America New York     date   new DateTime   2011-01-01 15 00 00    UTC     date- gt setTimezone   newTZ    echo  date- gt format  Y-m-d H i s

User · Answer

function  settimezone  time  defaultzone  newzone     date   new DateTime  time  new DateTimeZone  defaultzone     date- gt setTimezone new DateTimeZone  newzone     result  date- gt format  Y-m-d H i s    return  result      defaultzone  UTC    newzone  America New York    time  2011-01-01 15 00 00    newtime  settimezone  time  defaultzone  newzone

User · Answer

Assuming the UTC is not included in the string then   date default timezone set  America New York     datestring    2011-01-01 15 00 00      Pulled in from somewhere  date   date  Y-m-d H i s T  strtotime  datestring     UTC     echo  date     Should get  2011-01-01 10 00 00 EST  or something like that   Or you could use the DateTime object

User · Answer

PHP s DateTime object is pretty flexible   Since the user asked for more than one timezone option  then you can make it generic   Generic Function  function convertDateFromTimezone  date  timezone  timezone to  format     date   new DateTime  date new DateTimeZone  timezone      date- gt setTimezone  new DateTimeZone  timezone to      return  date- gt format  format       Usage   echo  convertDateFromTimezone  2011-04-21 13 14   UTC   America New York   Y-m-d H i s      Output   2011-04-21 09 14 00

[php] UTC Date/Time String to Timezone

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