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CPAN
Find the time of sunrise/sunset on a particular day
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CPAN
Provides utility functions for astronomical calculations
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CPAN
Provides an implementation of an AVL tree.
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CPAN
Provides class data for producing calendars
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CPAN
Provides a DateTime::Julian class (a child class of Raku's DateTime)
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CPAN
Provides a DateTime object that returns posix values with fractional seconds
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CPAN
Provides custom, scaled furniture outlines for home and office planning
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CPAN
Provides ability to work with Excel workbooks
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CPAN
Provides ability to create an Excel file from a text template
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CPAN
Longitude and latitude calculations using an ellipsoid model.