private static String getHoursKeyword() {
        return CgeoApplication.getInstance().getString(R.string.cache_time_full_hours);
    }
see <a href="https://www.geocaching.com/geocache/GC7MZG3_ludwigsburger-stammtisch-50">event Ludwigsburger Stammtisch used as example</a>
main/src/androidTest/java/cgeo/geocaching/utils/EventTimeParserTest.java