Mercury Retrograde, December 29, 2022 Dec 29, 2022 | by Erik Roth | On December 29, 2022, at 1:31am PST, we get our last Mercury Retrograde of the year. This comes at 24°21’ Capricorn and is marking 2023 as an “earth” themed year for Mercury synodic cycles. In the sky, it means that...