Your Planetary Transits Input to the Program

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For the calculation of world (a.k.a. mundane) transits this software takes as input:

• A start date and an end date (e.g., January 1, 2020, and April 1, 2021)
• A pair of planets (e.g., Jupiter and Saturn)
• Values for outer, middle and inner orbs (e.g., 9°, 5° and 2°)
• A timezone for display of results (e.g., GMT)

When the Show all world transits between Jupiter and Saturn button is clicked, the program calculates the beginning and end dates of all transits between those two planets during the selected time period, for all three orb values, and the date and time of exact aspects, as shown in the example below:

This shows that Jupiter and Saturn form an exact conjunction at 18:27 GMT on December 21, 2020.

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For the calculation of personal transits this software takes as input:

• A zodiac (tropical or sidereal)
• A start date and an end date
• A birth date and time
• A natal planet
• A transiting planet
• Values for outer, middle and inner orbs
• A timezone for display of results

When the Show all personal transits by Venus of natal Jupiter button is clicked, the program calculates the beginning and end of all transits made by the transiting planet (Venus) to the natal planet (Saturn) during the selected time period, for all three orb values, and the date and time of exact aspects.

For an explanation of the use of the other two buttons shown in the image above see Showing All Transits for a Given Planet.

When calculating world transits it is not necessary to specify a zodiac (tropical or sidereal) because the dates of a transit do not depend on the actual ecliptic longitudes of the planets involved (which are zodiac-dependent) but only on the differences in their ecliptic longitudes, and this difference is the same regardless of which zodiac is used. However, when calculating personal transits the zodiac used does affect the results (this is explained at Tropical and Sidereal Zodiacs). The dates and times of planetary transits also do not depend on the use of a house system.

Next: Output of the Program
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