| Time::CTime | format times ala POSIX asctime | Time::localtime | by-name interface to Perl's built-in localtime function |
| Time::DaysInMonth | simply report the number of days in a month | Time::ParseDate | date parsing both relative and absolute |
| Time::gmtime | by-name interface to Perl's built-in gmtime function | Time::Timezone | miscellaneous timezone manipulations routines |
| Time::HiRes | High resolution alarm, sleep, gettimeofday, interval timers | Time::tm | internal object used by Time::gmtime and Time::localtime |
| Time::JulianDay | Julian calendar manipulations | Time::Zone | miscellaneous timezone manipulations routines |
| Time::Local | efficiently compute time from local and GMT time |