import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.ZoneId;
import java.util.Date;
//ideone server have time zone GMT
class DateAndTimeZoneFormatter {
public static void main
(String[] args
) {
LocalDateTime date = LocalDateTime.now().with(LocalTime.MIN);
Date dayStart
= Date.
from(date.
atZone(ZoneId.
systemDefault()).
toInstant());
}
}
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