I don't think we've had luck getting a calendar to work here. [ that doesn't make sense in explaining, so he tries again - ] It's only recently that the colours of the sunrise and the sunset were restored, for example. It's a lot harder to track days and nights like that, you know?

More than that ... I don't really think your phone will work here. [ a pause. ] Especially if you were just in the well. But you can try.