https://d3resource.com/seasons/index.php
S15 → S16 was 12 days
S16 → S17 was 5 days
S17 → S18 was 5 days
S18 → S19 was 12 days
S19 → S20 was 12 days
S20 → S21 was 12 days
S21 → S22 was 12 days
S22 → S23 was 5 days
S23 → S24 was 5 days
Based on previous season gaps, it could just as easily be the 10th or 17th for S25.