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astro

0.3.0
2.4.0 2.3.3 2.3.2 2.3.1 2.3.0 2.2.3 2.2.2 2.2.1 2.1.1 2.1.0 2.0.0 1.1.2 1.1.1 1.1.0 1.0.2 1.0.1 1.0.0 0.10.0 0.9.2 0.9.1 0.9.0 0.8.0 0.7.0 0.6.0 0.5.0 0.4.0 0.3.0 0.2.0 0.1.0

Astronomical calculations in Elixir including sunrise, sunset, moonrise, moonset, equinox, solstice, moonphase and more.

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CHANGELOG.md 

# Changelog for Astro version 0.3.0



This is the changelog for Astro version 0.3.0 released on December 9th, 2019.  For older changelogs please consult the release tag on [GitHub](https://github.com/kipcole9/astro/tags)



### Change in behaviour



* Seconds are no longer truncated to zero when calculating datetimes and durations



### Enhancements



* Add `Astro.solar_noon/2` to return the true solar noon for a location and date



* Add `Astro.hours_of_daylight/2` to return hours, minutes and seconds as a `Time.t()` representing the number of daylight hours for a give location and date



* Add `Astro.sun_apparent_longitude/1` to return the apparent solar longitude on a given date. The result, a number of degrees between 0 and 360, can be used to determine the seasons.



# Changelog for Astro version 0.2.0



This is the changelog for Astro version 0.2.0 released on December 6th, 2019.  For older changelogs please consult the release tag on [GitHub](https://github.com/kipcole9/astro/tags)



### Enhancements



* Add `Astro.equinox/2`and `Astro.solstice/2` to calculate solstices and equinoxes for a year. From these can be derived the seasons.



* Add `Astro.Time.datetime_from_julian_days/1`



* Add `Astro.Time.utc_datetime_from_terrestrial_datetime/1`



# Changelog for Astro version 0.1.0



This is the changelog for Astro version 0.1.0 released on December 5th, 2019.  For older changelogs please consult the release tag on [GitHub](https://github.com/kipcole9/astro/tags)



### Enhancements



* Initial release includes `Astro.sunrise/3` and `Astro.sunset/3`.  See the readme for further roadmap details.