Changelog

Astro version 0.5.0

This is the changelog for Astro version 0.5.0 released on August 26th, 2021. For older changelogs please consult the release tag on GitHub

Please note that Elixir 1.11 or later is required.

Bug Fixes

• Updates documentation to be clear about installation and setup requirements for tz_world

• Fixes test data for São Paulo now that it no longer uses DST

• Ensure :astro is started in test mode

Enhancements

This primary focus of this release is to add lunar calculations for moon phase.

• Adds Astro.date_time_new_moon_before/1

• Adds Astro.date_time_new_moon_at_or_after/1

• Adds Astro.lunar_phase_at/1

• Adds Astro.date_time_lunar_phase_at_or_before/2

• Adds Astro.date_time_lunar_phase_at_or_after/2

Astro version 0.4.0

This is the changelog for Astro version 0.4.0 released on February 16th, 2020. For older changelogs please consult the release tag on GitHub

Breaking Change

• When no timezone is found the return is changed from {:error, :timezone_not_found} to {:error, :time_zone_not_found} to be consistent with Elixir and TzData.

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

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.

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

Enhancements

• Add Astro.equinox/2and 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

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

Enhancements

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