Linux server showing UTC instead of EST, local showing EST

I am having trouble figuring out why the timezone for the code below keeps showing UTC instead of EST. On my local computer it show EST, even if I am in MST time but on the actual server it keeps showing UTC. Any clue?

Mon Nov 9 2015 1:58:49 PM UTC


@JsonIgnore
    public String getDateCreatedFormatted() {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(getDateCreated());
        calendar.setTimeZone(TimeZone.getTimeZone("EST"));

        SimpleDateFormat format = new SimpleDateFormat("EEE MMM d yyyy h:mm:ss a z");      

        return format.format(calendar.getTime());
    }
Jon Skeet
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You've set the calendar to EST, but you haven't set the time zone on the SimpleDateFormat, which is the one use for formatting. Just use:

format.setTimeZone(TimeZone.getTimeZone("America/New_York"));

before you format the Date. You also don't need the Calendar at all, by the looks of it:

@JsonIgnore
public String getDateCreatedFormatted() {
    SimpleDateFormat format = new SimpleDateFormat("EEE MMM d yyyy h:mm:ss a z", Locale.US);
    format.setTimeZone(TimeZone.getTimeZone("America/New_York"));
    return format.format(getDateCreated());
}

Also I would strongly advise you to use full time zone IDs as above, rather than the abbreviations like "EST" which are ambiguous. (There are two problems there - firstly, EST can mean different things in different locations; secondly, the US EST should always mean Eastern standard time, whereas I assume you want to format using Eastern time, either standard or daylight depending on whether daylight saving time is in effect or not.)

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