chrony(1) man page — Introduces the chrony daemon and the command-line interface tool.

chronyc(1) man page — Describes the chronyc command-line interface tool including commands and command options.

chronyd(1) man page — Describes the chronyd daemon including commands and command options.

chrony.conf(5) man page — Describes the chrony configuration file.

/usr/share/doc/chrony/chrony.txt — User guide for the chrony suite.