The older TTL documentation specified that the values are UTC; The newer documentation does not. This is crucial information, I think the new documentation should say: “As an absolute Unix time stamp in UTC” to make it clear.
big thanks for the feedback - we’ll track this here. https://issues.couchbase.com/browse/DOC-1406
If you’d like to directly contribute, you can open JIRA issues on these for documentation (https://issues.couchbase.com/) or directly contribute to documentation github repo - https://github.com/couchbase/docs-cb4 - send a pull request.