Method minus

src/main/java/groovy/time/TimeCategory.java:64–77

Subtracts a duration from a date. @param date the base date @param duration the duration to subtract @return the adjusted date

(final Date date, final BaseDuration duration)

     * @return the adjusted date
     */
    public static Date minus(final Date date, final BaseDuration duration) {
        final Calendar cal = Calendar.getInstance();

        cal.setTime(date);
        cal.add(Calendar.YEAR, -duration.getYears());
        cal.add(Calendar.MONTH, -duration.getMonths());
        cal.add(Calendar.DAY_OF_YEAR, -duration.getDays());
        cal.add(Calendar.HOUR_OF_DAY, -duration.getHours());
        cal.add(Calendar.MINUTE, -duration.getMinutes());
        cal.add(Calendar.SECOND, -duration.getSeconds());
        cal.add(Calendar.MILLISECOND, -duration.getMillis());

        return cal.getTime();
    }

    /**
     * Retrieves the default TimeZone for a date by using the default Locale