Get start date of a year

     
import java.util.Calendar;
import java.util.Date;

class Main{
    public static Date getStartDateOfYear(Date day) {
        if (day == null) {
            return null;
        }

        Calendar cal = Calendar.getInstance();
        cal.setTime(day);
        cal.set(Calendar.MILLISECOND, 0);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MINUTE, 0);
        cal.set(Calendar.HOUR_OF_DAY, 0);
        cal.set(Calendar.DAY_OF_MONTH, 1);
        cal.set(Calendar.MONTH, 0);
        return cal.getTime();
    }

}

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Get start date of a year : Date « Date Type « Android

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