Astrological Calendars in Western and Vedic astrology software

by Hank Friedman

In 2020, Jim Maynard, after 46 years of serving the astrological community deeply by publishing his astrological calendar, decided to stop creating his calendar. However, after seeing how poor the offerings were from other companies, he decided to go ahead and produce and market a PDF (printable file) version of his calendar, which you can order here.

Because many astrologers heard about his original plan, I started receiving several emails from people asking about astrology programs that can generate astrology calendars, which inspired this article.

There are many astrology programs, both Western and Vedic, capable of generating astro-calendars, but the features and capabilities vary greatly and are worth reviewing.

It is important to note that astrological calendars only, at best, show exact events, not the time span of each transit or progression, and therefore predictive graphs are a better tool for seeing the duration of astrological events. See my article on The Value of Predictive Graphs.

There's a surprising amount of variation in what each program's calendar offers, so please explore my Astrology Calendar Comparison Table which took many hours to prepare and enables you to see all of the differences.

In the original The Mountain Astrologer article, I focused on the Western astrology programs that offer calendars: Regulus Platinum, Sirius, Prometheus, Solar Fire, Janus, Millennium, and Day Watch.

Three Vedic programs, Jyotish Studio, Parashara's Light, and Shri Jyoti Star also have Jyotish-oriented calendars, which I'll explore at the end of this article.

Special Calendar Features of Specific Programs

DayWatch is available as both a standalone program, and part of both WinStar Professional and included with Sirius. It shows "Red and Green Days", i.e. days when you are likely to have high physical or mental energy. And it can import birth information from QuickChart files, making this very useful for birthday reminders, etc. Its greatest feature is that it is the only calendar that shows all of the aspects within orb at the beginning of the month. As such, it enables users to know what influences are present throughout the month. Bravo!

Prometheus offers the largest number of points by far in many of its modules, including its calendar, e.g. asteroids, Uranian points, house cusps, midpoints, planetary nodes, Arabic Parts, Fixed Stars, Lilith, additional angles (like the CoAscendant), and more. One can create different sets of points (and save sets) for each of the predictive types (e.g. different sets for Progressed events and Transits). Prometheus can also show Transits to Arc Directed and Transits to Progressed events.

Millennium also offers a large number of points it can use in its calendar, including house cusps, eclipses before and after birth, the black and white Moons, the four major asteroids, East Point and Vertex, and more. It also uniquely colors harmonious transits in green and challenging ones in red.

Solar Fire shows the exact Sun-Moon angle, the time zone, gardening times, pop-up interpretations, It also has the unique ability to export calendars to MS Outlook, iCalendar, and vCalendar files

Sirius offers three different calendar modules, a main calendar, a basic calendar in the Kepler Workshop, and the aforementioned Day Watch program. The table of features shows the settings for the main calendar function. Among its unique qualities are the ability to include birthdays, anniversaries, and other personal events, and optional graphic images of the signs for each month. Note: the Sirius calendar only allows Ptolemaic aspects (one cannot add aspects).

Janus is the only program offering a yearly calendar, and also unique in including events like when planets go Out of Bounds, Rise/Set times for all of the planets, Equinoxes, Solstices, the Sun and Moon at Via Combusta, the Super Moon, Mercury and Venus at greatest elongation, and points crossing the Equator.

Regulus Platinum is the only software offering the ISAR format calendar, as well as the options to use the Draconic Zodiac and Topocentric coordinates.

Astrological Calendars in Vedic Software

Jyotish Studio

The monthly calendar offered in Jyotish Studio has abbreviations in order to fit the information in a very compact space. While this might make it a little harder to read, there's a helpful legend at the bottom of the page.

The calendar is primarily Lunar, showing the Moon as Bright or Dark, its Tithi, Nakshatra, Sign, Tara Bala, and Chandra Bala from the natal Moon and Ascendant. It also shows Vimshottari Dasa changes at 4 levels, Lunar house ingresses, and planetary stations.

Parashara's Light

I was particularly impressed by the improved Jyotish calendar. In its monthly format, it can display ingresses into signs, Nakshatras, Sub and Sub-Sub, Navamshas, Kakshas, and degrees; Western and Vedic aspects; include outer planets, house cusps, Upagrahas, and the Yogi Point ; and show eclipses, the Void of Course Moon, Stations, Transits-to-Transits, and Sadhe Sate entry and exit. You can view up to 14 Dasha system events, and 10 Vimshottari variations, up to 5 levels. You can even click on any day and see an expanded list of the days events. This is the most powerful Vedic calendar.

Shri Jyoti Star 10

The upcoming version 10 of Shri Jyoti Star will feature a new Vedic calendar. It will show Sunrise and Sunset; Lunar Month, Paksha and Tithi; Lunar Nakshatra start and end times with Tara Bala (favorable or unfavorable), planetary sign and Nakshatra ingresses, Vedic transit-to- natal aspects, changes to 5 levels of Vimshottari Dasa, changes in planetary direction, and Vedic festivals with Samkranti names. You can also step backward or forward by month at a click, or change to a specific month.


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