Date::Manip::Holidays (3pm) - describes holidays and events
daylight (3)         - initialize time conversion information
daylight (3p)        - set timezone conversion information
dysize (3)           - get number of days for a given year
function::gettimeofday_ms (3stap) - Number of milliseconds since UNIX epoch
function::gettimeofday_ns (3stap) - Number of nanoseconds since UNIX epoch
function::gettimeofday_s (3stap) - Number of seconds since UNIX epoch
function::gettimeofday_us (3stap) - Number of microseconds since UNIX epoch
gettimeofday (2)     - get / set time
gettimeofday (3p)    - get the date and time
motd (5)             - message of the day
Net::Time (3pm)      - time and daytime network client interface
settimeofday (2)     - get / set time
Time::HiRes (3pm)    - High resolution alarm, sleep, gettimeofday, interval t...