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NAT-6 Calculations

9 Class Meetings
Prerequisites: None. This course can be taken in any order or doubled up with any NAT course.

Course Description:

The ability to calculate a chart by hand, using the Ephemeris and Book of Tables, is both a vital skill for the working astrologer and an international certification requirement. This course is based on a widely accepted method which is simple, rewarding, and easy to understand.

This is a Video Course. You move through the lessons at your own pace. Two hours of private tutoring are included with the course for any questions you have and help you may need. The two hours may be combined into 20 minute, 30 minute, 45 minute or 1 hour sessions as you need.

Quizzes are given at the end of each lesson to check your progress. A final exam is given at the end of the course.


Class Meeting 1: Time Zones, DST, Converting to GMT

Class Meeting 2: GMT Decimal Constant & Exploring the Ephemeris

Class Meeting 3: Calculating Sun, Moon & Direct Planets

Class Meeting 4: Calculating Retrograde Planets

Class Meeting 5: Exploring the Book of Tables, Calculating LST, LST Increment & Latitude Increment

Class Meeting 6: Calculating Houses Cusps - Northern Hemisphere

Class Meeting 7: Calculating Houses Cusps - Southern Hemisphere

Class Meeting 8: Calculating the Equatorial Ascendant

Class Meeting 9: Calculating the Vertex

Required/Suggested Materials:

Required materials:

The following required materials are available through the IAA online shopping areas:

The following required materials are NOT available through the IAA online shopping areas, but may be available elsewhere:

  • Simple 4 function calculator

Suggested/supplemental materials:


Class Offerings and Registration:
This course has no class offerings currently taking registrations.

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