The two evenings are identical, it's only that the demand for the Port Walk outstripped the availability of tickets quite substantially so Berry's found it was worth putting a second event on.
I tend to go for the Thursday night as this works better for my domestic arrangements.
Top Ports in 2023: Taylor 1896 Colheita, b. 2021. A perfect Port.
2024: Niepoort 1900 Colheita, b.1971. A near perfect Port.