**Reporter**: [Nicola Crane](https://issues.apache.org/jira/browse/ARROW-14821) / @thisisnic **Assignee**: [Danielle Navarro](https://issues.apache.org/jira/browse/ARROW-14821) / @djnavarro **Watchers**: [Rok Mihevc](https://issues.apache.org/jira/browse/ARROW-14821) / @rok #### Related issues: - [[C++] Temporal floor/ceil/round should accept week_starts_monday when rounding to multiple of week](https://github.com/apache/arrow/issues/31134) (is blocked by) - [[R] How to round the timestamps in a mutate statement?](https://github.com/apache/arrow/issues/31702) (is duplicated by) - [[R] How to round the timestamps in a mutate statement?](https://github.com/apache/arrow/issues/31702) (relates to) - [[C++] Implement floor/ceil/round for temporal objects](https://github.com/apache/arrow/issues/30354) (requires) - [[R] Binding for lubridate::qday](https://github.com/apache/arrow/issues/30351) (is required by) #### PRs and other links: - [GitHub Pull Request #12154](https://github.com/apache/arrow/pull/12154) - [GitHub Pull Request #12657](https://github.com/apache/arrow/pull/12657) <sub>**Note**: *This issue was originally created as [ARROW-14821](https://issues.apache.org/jira/browse/ARROW-14821). Please see the [migration documentation](https://github.com/apache/arrow/issues/14542) for further details.*</sub>