| p5-DateTime-Format-Flexible | | Flexibly parse strings and turn them into DateTime objects |
| p5-DateTime-Format-HTTP | | Deal with date formats used by HTTP |
| p5-DateTime-Format-ICal | | Parse and format iCal datetime and duration strings |
| p5-DateTime-Format-ISO8601 | | Parses ISO8601 formats |
| p5-DateTime-Format-Mail | | Convert between DateTime and RFC2822/822 formats |
| p5-DateTime-Format-MySQL | | Parse and format MySQL dates and times |
| p5-DateTime-Format-Natural | | Create machine readable date/time with natural parsing logic |
| p5-DateTime-Format-Oracle | | Parse and format Oracle dates and timestamps |
| p5-DateTime-Format-Pg | | Parse and format PostgreSQL dates and times |
| p5-DateTime-Format-SQLite | | Parse and format SQLite dates and times |
| p5-DateTime-Format-Strptime | | Perl 5 module to parse and format strp and strf time patterns |
| p5-DateTime-Format-W3CDTF | | Convert between DateTime and W3CDTF date/time format |
| p5-DateTime-HiRes | | Create DateTime objects with sub-second current time resolution |
| p5-DateTime-Incomplete | | DateTime::Incomplete - An incomplete datetime, like January 5 |
| p5-DateTime-Locale | | Localization data for p5-DateTime |
| p5-DateTime-Precise | | Perl module for common time and date operations with GPS ops |
| p5-DateTime-Set | | Perl module for date/time sets and ranges |
| p5-DateTime-TimeZone | | Perl module to handle time zone manipulation |
| p5-DateTime-TimeZone-HPUX | | Handles timezones defined at the operating system level on HP-UX |
| p5-DateTimeX-Easy | | Parse a date/time string using the best method available |
| p5-MooseX-Types-DateTime | | DateTime related constraints and coercions for Moose |
| p5-MooseX-Types-DateTime-ButMaintained | | DateTime related constraints and coercions for Moose |
| p5-MooseX-Types-DateTime-MoreCoercions | | Extensions to MooseX::Types::DateTime |
| p5-MooseX-Types-DateTimeX | | Extensions to MooseX::Types::DateTime::ButMaintained |
| p5-Olson-Abbreviations | | Perl extension for globally unique timezones abbreviation handling |
| p5-POSIX-strftime-Compiler | | Perl extension for glibc compatible strftime for loggers/servers |
| p5-Rose-DateTime | | DateTime helper functions and objects for Rose |
| p5-Schedule-At | | OS independent interface to the Unix 'at' command |
| p5-Schedule-Cron-Events | | Perl module to find when crontab events will occur |
| p5-Template-Plugin-DateTime | | Template plugin to use DateTime objects |
| p5-Test-MockTime | | Replaces actual time with simulated time |
| p5-Test-MockTime-HiRes | | Replaces actual time with simulated high resolution time |
| p5-Test-Time | | Override time()/sleep() core functions for testing |
| p5-Time-Clock | | Twenty-four hour clock object with nanosecond precision |
| p5-Time-Duration | | Perl5 module for rounded or exact English expression of durations |
| p5-Time-Duration-Parse | | Perl5 module to parse string that represents time duration |
| p5-Time-Elapsed | | Displays the elapsed time as a human readable string |
| p5-Time-Format | | Easy-to-use date/time formatting |
| p5-Time-Format_XS | | Companion module for Time::Format, to speed up time formatting |
| p5-Time-Interval | | Converts time intervals of days, hours, minutes, and seconds |
| p5-Time-modules | | Miscellaneous date parsing and formatting |
| p5-Time-Period | | Perl5 module to deal with time periods |
| p5-Time-Piece-Range (V) | | Time::Piece::Range - deal with a range of Time::Piece objects |
| p5-Time-Progress | | Elapsed and estimated finish time reporting |
| p5-Time-TAI64 | | Convert TAI64 strings into standard unix timestamps |
| p5-Time-Warp | | Perl 5 module to control the flow of time |
| p5-TimeDate | | Perl5 TimeDate distribution |
| pcal | | PostScript calendar program |
| pclock | | Simple analog clock designed for Window Maker |
| pear-Date | | PHP Date and Time Zone Classes |
| phoon | | Show phase of the moon on ASCII terminal |
| php-calendar | | PHP extension for calendar conversion support |
| php-mrbs | | Meeting Room Booking System |
| pimsync (V) | | Synchronise calendars and contacts between different storages |
| plan | | Schedule planner based on X/Motif |
| plasma6-knighttime | | Helpers for scheduling the dark-light cycle |
| polclock | | Digital clock with some nice graphics effects |
| projectlibre | | Project management software |
| py-aniso8601 | | Library for parsing ISO 8601 strings |
| py-arrow | | Better dates and times for Python |
| py-backoff (V) | | Function decoration for backoff and retry |
| py-CalDAVClientLibrary (V) | | CalDAV library for python used by CalendarServer |
| py-calverter (V) | | Convert date between Hijri, Jalali and Gregorian types of date |
| py-cerridwen (V) | | Accurate solar system data for everyone |
| py-cftime | | Time-handling functionality |
| py-ciso8601 | | Fast ISO8601 date time parser for Python written in C |
| py-croniter | | Iteration for datetime object with cron like format |
| py-dateparser | | Date parsing library designed to parse dates from HTML pages |
| py-dateutil | | Extensions to the standard datetime module |
| py-divmod-epsilon (V) | | Python utilities package, most famous for its Time class |
| py-durationpy | | Converting between datetime.timedelta and Go's Duration |
| py-goocalendar | | Calendar widget using GooCanvas |
| py-icalendar | | Python parser/generator for iCalendar files, as per RFC2445 |
| py-iso8601 | | Simple Python module to parse ISO 8601 dates |
| py-isodate | | ISO 8601 date/time/duration parser and formatter |
| py-jdcal | | Julian dates from proleptic Gregorian and Julian calendars |
| py-jewish (V) | | Jewish calendar calculations |
| py-jinja2-time | | Jinja2 extention for dates and times |
| py-jrnl | | Command line journal application |
| py-juliandate | | Python module for Julian date conversions |
| py-khayyam (V) | | Khayyam(Jalali Persian Datetime) library |
| py-l18n | | Translations for pytz names |
| py-ligotimegps | | Pure-python version of lal.LIGOTimeGPS |
| py-mxDateTime | | Python extension that provides types and conversions for dates |
| py-parsedatetime | | Python module for parsing human-readable date/time text |
| py-prayertime (V) | | Prayertime algorithm implementation in python |
| py-pytimeparse | | Time expression parser |
| py-pytz | | World timezone definitions, modern and historical |
| py-pytz_deprecation_shim | | Shims to make deprecation of pytz easier |
| py-relativetimebuilder | | Dateutil relativedeltas for calendar precision with aniso8601 |
| py-rfc3339 | | Library for generating and parsing RFC 3339-compliant timestamps |
| py-rfc3339-validator | | Pure Python RFC3339 validator |
| py-snaptime | | Transform timestamps with a simple DSL |
| py-strict-rfc3339 | | Strict, simple, lightweight RFC3339 functions |
| py-tempora | | Objects and routines pertaining to date and time |
| py-time-machine | | Travel through time in your tests |
| py-timeago (V) | | Used to format datetime with time ago statement |
| py-timelib | | Parse English textual date descriptions |
| py-timeline (V) | | Timeline module for modelling a series of actions |
| py-trading-calendars | | Securities exchange calendars used by Zipline |