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To know the difference between universal time (UT) and dynamical time (TD), we need to be aware of the leap seconds to take into account. This supports leap seconds from 1800-01-01 to 2024-01-01 (with the most recent leap second being added on 2017-01-01).
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rhannequin
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## What's Changed _If you are upgrading: please see [UPGRADING.md]._ [UPGRADING.md]: https://github.com/rhannequin/astronoby/blob/main/UPGRADING.md ### Bug fixes * Fix ecliptic to equatorial epoch ([#56]) [#56]: #56 ### Features * Add twilight times ([#49]) * Add interpolation method ([#52]) * Add decimal_hour_to_time util ([#53]) * Calculate leap seconds for an instant ([#54]) * Add `Angle#-@` ([#55]) * Enable equivalence and hash equality to `Observer` ([#57]) * Twilight events dedicated class ([#61]) [#49]: #49 [#52]: #52 [#53]: #53 [#54]: #54 [#55]: #55 [#57]: #57 [#61]: #61 ### Improvements * Upgrade bundler from 2.3.11 to 2.5.7 by @dorianmariecom ([#45]) * Drop `BigDecimal` ([#46]) * Bump rake from 13.1.0 to 13.2.0 ([#47]) * Increase Ruby versions support ([#48]) * Bump rake from 13.2.0 to 13.2.1 ([#51]) * Dedicated constants class ([#62]) * Improve accuracy of equation of time ([#63]) * Twilight times better accuracy ([#65]) * Update UPGRADING.md ([#66]) * release: Bump version to 0.4.0 ([#67]) [#45]: #45 [#46]: #46 [#47]: #47 [#48]: #48 [#51]: #51 [#62]: #62 [#63]: #63 [#65]: #65 [#66]: #66 [#67]: #67 ### Backward-incompatible changes * More accurate rising, transit and setting times ([#50]) * Observation events dedicated and centralized class ([#60]) * Change `Astronoby::Sun` constructor ([#64]) [#50]: #50 [#60]: #60 [#64]: #64 ## New Contributors * @dorianmariecom made their first contribution in [#45] [#45]: #45 **Full Changelog**: v0.3.0...v0.4.0
rhannequin
added a commit
that referenced
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Apr 29, 2024
## What's Changed _If you are upgrading: please see [UPGRADING.md]._ [UPGRADING.md]: https://github.com/rhannequin/astronoby/blob/main/UPGRADING.md ### Bug fixes * Fix ecliptic to equatorial epoch ([#56]) [#56]: #56 ### Features * Add twilight times ([#49]) * Add interpolation method ([#52]) * Add decimal_hour_to_time util ([#53]) * Calculate leap seconds for an instant ([#54]) * Add `Angle#-@` ([#55]) * Enable equivalence and hash equality to `Observer` ([#57]) * Twilight events dedicated class ([#61]) [#49]: #49 [#52]: #52 [#53]: #53 [#54]: #54 [#55]: #55 [#57]: #57 [#61]: #61 ### Improvements * Upgrade bundler from 2.3.11 to 2.5.7 by @dorianmariecom ([#45]) * Drop `BigDecimal` ([#46]) * Bump rake from 13.1.0 to 13.2.0 ([#47]) * Increase Ruby versions support ([#48]) * Bump rake from 13.2.0 to 13.2.1 ([#51]) * Dedicated constants class ([#62]) * Improve accuracy of equation of time ([#63]) * Twilight times better accuracy ([#65]) * Update UPGRADING.md ([#66]) * release: Bump version to 0.4.0 ([#67]) [#45]: #45 [#46]: #46 [#47]: #47 [#48]: #48 [#51]: #51 [#62]: #62 [#63]: #63 [#65]: #65 [#66]: #66 [#67]: #67 ### Backward-incompatible changes * More accurate rising, transit and setting times ([#50]) * Observation events dedicated and centralized class ([#60]) * Change `Astronoby::Sun` constructor ([#64]) [#50]: #50 [#60]: #60 [#64]: #64 ## New Contributors * @dorianmariecom made their first contribution in [#45] [#45]: #45 **Full Changelog**: v0.3.0...v0.4.0
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To know the difference between universal time (UT) and dynamical time (TD), we need to be aware of the leap seconds to take into account.
This supports leap seconds from 1961-01-01 to 2024-01-01 (with the most recent leap second being added on 2017-01-01).