Specific 2024 dates now listed:
https://www.pgcruises.com/catalogsearch/result/?periode[]=2024_01&periode[]=2024_02&periode[]=2024_03&periode[]=2024_04&periode[]=2024_05&periode[]=2024_06&periode[]=2024_07&periode[]=2024_08&periode[]=2024_09&periode[]=2024_10&periode[]=2024_11&periode[]=2024_12