case 'D': parse(optarg, dayofyear, sizeof dayofyear, -1); break;
case 'W': parse(optarg, weekofyear, sizeof weekofyear, -1); break;
case 'H': parse(optarg, hour, sizeof hour, 0); break;
case 'D': parse(optarg, dayofyear, sizeof dayofyear, -1); break;
case 'W': parse(optarg, weekofyear, sizeof weekofyear, -1); break;
case 'H': parse(optarg, hour, sizeof hour, 0); break;