The Nobel Prizes are announced each year in early to mid-October, typically over the course of about one week. For 2025, the announcements started on October 6 and continue through October 13, with one prize announced on each business day during this period. The prizes in physiology or medicine, physics, chemistry, literature, peace, and economic sciences are revealed on separate days, usually in the order of medicine, physics, chemistry, literature, peace, and economics. The announcements generally occur in the morning Central European Summer Time (CEST). The formal award ceremony takes place later, on December 10, commemorating Alfred Nobel's death anniversary. In 2025 specifically:
- Physiology or Medicine was announced on October 6,
- Physics on October 7,
- Chemistry on October 8,
- Literature on October 9,
- Peace on October 10,
- Economic Sciences on October 13.
The announcements are made by the respective prize-awarding institutions in Stockholm, Sweden, or Oslo, Norway (for the Peace Prize) and are streamed live online for public viewing.