Calculate the date and time of solstices and equinoctes.

Based on "Astronomical Algorithms" by Jean Meeus.

The calculated dates and times are astronomical. Your official calendar seasons are subject to local regulation.

Usage:

season [all|spring|summer|autumn|winter] year

Installation:

$ git clone https://github.com/4nickel/season
$ cd season
$ make

Find the binary in bin and copy it to your $PATH:

$ cp bin/season ~/.local/bin

Examples:

$ season spring 2019
2019-03-20@21:57