diff --git a/2024/12.md b/2024/12.md
index bd14c4ea..93286bcb 100644
--- a/2024/12.md
+++ b/2024/12.md
@@ -117,6 +117,7 @@ When applicable, use these emoji as a prefix to the agenda item topic.
 
     | stage | timebox | topic | presenter |
     |:-----:|:-------:|-------|-----------|
+    | 3     | 15m     | [Intl.DurationFormat](https://github.com/tc39/proposal-intl-duration-format) for Stage 4. ([PR](https://github.com/tc39/ecma402/pull/943)) ([slides](https://docs.google.com/presentation/d/1bAuZ0ZSSYUdJxiDYXz2tUWHZwaOmYkNoLpQBBy_qz1w/edit?usp=sharing))| Ben Allen |
     | 2.7   | 15m     | [`Error.isError`](https://github.com/tc39/proposal-is-error/issues/7) to stage 3? | Jordan Harband |
     | 2.7   | 15m     | [iterator sequencing](https://github.com/tc39/proposal-iterator-sequencing) for Stage 3 ([tests](https://github.com/tc39/test262/pull/4326)) ([slides](https://docs.google.com/presentation/d/1EHMDcnV9zJ1E7BRhKmYtzHchZvOzjWynR3W-VdNxglw)) | Michael Ficarra |
     | 2.7   | 60m     | [ShadowRealm](https://github.com/tc39/proposal-shadowrealm) for Stage 3 ([slides](https://ptomato.name/talks/tc39-2024-12)) | Philip Chimento |