If you have been navigating the esoteric corners of the internet looking for professional astrological calculation tools, you have likely come across the name . Developed by the late Allen Edwall, this software suite (including Sirius 1 , Sirius 2 , and Sirius 3 ) is considered by professional cosmobiologists and Uranian astrologers to be the gold standard for precise, no-nonsense chart calculation.

Once you have successfully completed your and installed the trial, here is a 3-day learning plan to maximize your trial period before it expires.

Learn the Atlas function. Sirius has a built-in database of 250,000 cities. If your birth city is missing, learn to manually enter Latitude/Longitude (use Google Maps to get decimal degrees).

: Compatible with Windows 7, 8, 10, and 11.

Sirius is ; it is a premium, high-end professional astrology software that typically costs between $450 and $550 . While the developer, Cosmic Patterns, offers a basic freeware program called Cosmic Star to demonstrate their technology, the full Sirius suite does not typically provide a free trial or demo version. Full Review of Sirius Astrology Software