xyz.thoren.equinox — xyz.thoren/equinox 0.1.1

autumnal-equinox clj

(autumnal-equinox year)

Given a year, return a map with the Gregorian time of the autumnal (September) equinox. See also: jdn->gregorian-time. Example: (autumnal-equinox 2021) => {:year 2021, :month 9, :day 22, :hour 19, :minute 11, :second 14}

jdn->gregorian-time clj

(jdn->gregorian-time jdn)

Given a Julian Day Number jdn, return a map with the Gregorian time. Example: (jdn->gregorian-time 2459293.8997175973) => {:year 2021, :month 3, :day 20, :hour 9, :minute 35, :second 35}

summer-solstice clj

(summer-solstice year)

Given a year, return a map with the Gregorian time of the summer (June) solstice. See also: jdn->gregorian-time. Example: (summer-solstice 2021) => {:year 2021, :month 6, :day 21, :hour 3, :minute 24, :second 13}

vernal-equinox clj

(vernal-equinox year)

Given a year, return a map with the Gregorian time of the vernal (March) equinox. See also: jdn->gregorian-time. Example: (vernal-equinox 2021) => {:year 2021, :month 3, :day 20, :hour 9, :minute 35, :second 35}

winter-solstice clj

(winter-solstice year)

Given a year, return a map with the Gregorian time of the winter (December) solstice. See also: jdn->gregorian-time. Example: (winter-solstice 2021) => {:year 2021, :month 12, :day 21, :hour 15, :minute 46, :second 8}