How do I get a list of recognized locales on my system?

[blackrhino]

Also see:
locale(1) - get locale-specific information
localectl(1) - Control the system locale and keyboard layout settings
What is the locale on redhat and linux operating systems?

$ locale -a
C
C.utf8
en_AG
en_AU
en_AU.utf8
en_BW
en_BW.utf8
en_CA
en_CA.utf8
en_DK
en_DK.utf8
...
...
...

$ localectl list-locales
C.utf8
en_AG
en_AU
en_AU.utf8
en_BW
en_BW.utf8
en_CA
en_CA.utf8
...
...
...