Activity=# \l
                                List of databases
   Name    |  Owner  | Encoding |   Collate   |    Ctype    |  Access privileges
-----------+---------+----------+-------------+-------------+---------------------
 Activity  | ******* | UTF8     | en_US.UTF-8 | en_US.UTF-8 |
 postgres  | ******* | UTF8     | en_US.UTF-8 | en_US.UTF-8 |
 template0 | ******* | UTF8     | en_US.UTF-8 | en_US.UTF-8 | =c/*******         +
           |         |          |             |             | *******=CTc/*******
 template1 | ******* | UTF8     | en_US.UTF-8 | en_US.UTF-8 | =c/*******         +
           |         |          |             |             | *******=CTc/*******
(6 rows)

Activity=# show client_encoding;
 client_encoding
-----------------
 UTF8
(1 row)