Java 8 timezone conversions

Question

In Java 8, I want to convert a datetime from UTC to ACST (UTC+9:30).

input -> 2014-09-14T17:00:00+00:00

output-> 2014-09-15 02:30:00

String i         


        

Answer 1

Slight improvement on the above. Avoids hardcoding offset. Also, takes care of daylight savings.

public static LocalDateTime convertTo(LocalDateTime dateTime, String timeZone) {
    ZoneId zone = ZoneId.of(timeZone);
    ZonedDateTime zdt = dateTime.atZone(zone);
    ZoneOffset offset = zdt.getOffset();
    return dateTime.plus(offset.getTotalSeconds(), ChronoUnit.SECONDS);
}