🎗️ World Cancer Day 2027
Date Verification
- Status
- Official Observance
- Date used
- 4 February 2027
- Date rule
- Fixed Gregorian date
- Checked
- 2026-09-11
- Primary source
- United Nations / relevant UN agency observance calendar
The observance is listed on a fixed Gregorian date. Annual themes can change without changing the date.
What World Cancer Day is
Established in 2000 at the World Summit Against Cancer in Paris, and coordinated by the Union for International Cancer Control.
How the Date is Determined
The countdown uses the date recorded above. This entry uses a fixed Gregorian month and day. The observance date is kept separate from substitute employee/public-holiday days that a government may announce.
It is grouped under Observance for browsing; that label does not change how its date is verified.
What Happens After This Occurrence
After this occurrence passes, the same evergreen page can calculate the next date from its deterministic calendar rule. See the full list of upcoming events, or use the countdown timer for a date of your own.
| Event | Date | Days |
|---|---|---|
| 🕊️ United Nations Day 2026 | 24 Oct 2026 | 0 |
| 🇦🇹 Austria National Day 2026 | 26 Oct 2026 | 2 |
| 🇹🇷 Turkey Republic Day 2026 | 29 Oct 2026 | 5 |
| 🕯️ All Saints’ Day 2026 | 1 Nov 2026 | 8 |
| 🌼 All Souls’ Day 2026 | 2 Nov 2026 | 9 |
Keep Exploring World Clock
This event uses an evergreen URL. The visible year can change when a later occurrence has been verified, while old year-bearing links are redirected to the canonical event page.
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