Date::Calendar (3pm) - Calendar objects for different holiday schemes
daylight (3) - initialize time conversion information
daylight (3p) - set timezone conversion information
dysize (3) - get number of days for a given year
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...