| 2018 | Feb 14 | Wed |
| 2019 | Feb 12 | Tue |
| 2020 | Feb 12 | Wed |
| 2021 | Feb 12 | Fri |
| 2022 | Feb 12 | Sat |
World Cholangiocarcinoma Day happens yearly on the 3rd Thursday of February. In 2025, this will be February 20th.
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