Holger Jakobs <holger@xxxxxxxxxx> writes: > When trying to set the lc_time parameter, an error occurs: > ERROR: invalid value for parameter "lc_time": "uk_UA.UTF-8" Works for me ... regression=# set lc_time = 'uk_UA.UTF-8'; SET Maybe this setting is inconsistent with the rest of your LC_xxx parameters (particularly lc_collate, lc_ctype)? > What do I have to do to introduce all locales of the operating system to > PostgreSQL? With zero context provided, it's hard to make any useful suggestions. But this looks like an OS question not a Postgres question. regards, tom lane