Underdog Day 2025
Other years
| Day of the week | Date | Name of holiday |
|---|---|---|
| Friday | Dec 15th, 2023 | Underdog Day 2023 |
| Friday | Dec 20th, 2024 | Underdog Day 2024 |
| Friday | Dec 18th, 2026 | Underdog Day 2026 |
| Friday | Dec 17th, 2027 | Underdog Day 2027 |
| Friday | Dec 15th, 2028 | Underdog Day 2028 |
| Friday | Dec 21st, 2029 | Underdog Day 2029 |
| Friday | Dec 20th, 2030 | Underdog Day 2030 |