kal is a package for finding public holidays, Easter, notable days, equinoxes, solstices, and flag flying days.
It deals with dates and intervals between dates.
This is free and open source software.
Key Features
- Provides a collection of functions for dealing with dates, intervals between dates and special days like winter solstice.
- Provides functions for finding public holidays (“red days”), Easter, notable days, equinoxes, solstices and flag flying days, for some calendars (every country may have different flag flying days).
- Currently, public holidays and flag flying days have only been implemented for USA, Norway and Turkey
Website: github.com/xyproto/kal
Support:
Developer: Alexander F. Rødseth
License: BSD 3-Clause “New” or “Revised” License

kal is written in Go. Learn Go with our recommended free books and free tutorials.
Related Software
| Terminal-Based Calendars | |
|---|---|
| calcurse | Calendar and scheduling application for the command line |
| calcure | Modern TUI calendar and task manager |
| khal | Built on the iCalendar and vdir |
| calendar.vim | Calendar application for Vim |
| vdirsyncer | Synchronizing calendars and addressbooks |
| Wyrd | Text-based front-end to Remind |
| vimalender | Terminal calendar application with vim-style keybindings |
| carl | Mimics the various cal implementations with additional features |
| ncal | Offers an alternative layout, more options and the date of Easter. |
| when | Extremely simple personal calendar program |
| TimeMap | Combines a Calendar, Diary, Todo List, Quick Note, File Manager and Tags |
| lvsk | Minimalist design and monochromatic pastel aesthetics. |
| kal | Package for finding public holidays, Easter, notable days, and more |
| calcol | Wrapper to colorize cal |
| chroncal | Manages events, tasks and journal entries |
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