説明: 30 秒ごと
正規化された式: */30 * * * * *
タイムゾーン: UTC
次回実行時刻:
1. 2026/09/11 14:05:30 UTC (UTC: 2026/09/11 14:05:30 UTC)
2. 2026/09/11 14:06:00 UTC (UTC: 2026/09/11 14:06:00 UTC)
3. 2026/09/11 14:06:30 UTC (UTC: 2026/09/11 14:06:30 UTC)
4. 2026/09/11 14:07:00 UTC (UTC: 2026/09/11 14:07:00 UTC)
5. 2026/09/11 14:07:30 UTC (UTC: 2026/09/11 14:07:30 UTC)