List of Important Days, Festivals & Holidays on Sunday, 29 September 2024.
| Important Days, Festivals & Holidays | Country |
| World Heart Day | World |
| World Deaf Day | World |
| World Day of Migrants and Refugees | International |
| VFW Day | United States (US) |
| National Starbucks Day | United States (US) |
| National Silent Movie Day | United States (US) |
| National Police Remembrance Day | Australia |
| National Police Memorial Day | United Kingdom (UK) |
| National Goose Day | International |
| National Coffee Day | United States (US) |
| National Biscotti Day | United States (US) |
| International Day of Awareness of Food Loss and Waste | International |
| Michaelmas | International |
| Gold Star Mother’s and Family Day | United States (US) |
| Confucius Day | International |