Introduction to Planetary Periods / Time Lords
Planetary periods are based on recurrence cycles involving a reference planet (usually the Sun) and the object planet. For instance, on a certain date, the Sun will be in one degree and Mercury will be in another. The next time that Mercury is in that same degree and the Sun is also in its original position with respect to Mercury, the Mercury cycle has concluded (20 yrs in this case). The periods (recurrences) are listed below:
| Planet | Lesser Years | Greater Years |
| Sun | 19 (metonic cycle) | 120 |
| Moon | 25 | 108 |
| Mercury | 20 | 76 |
| Venus | 8 | 82 |
| Mars | 15 | 66 |
| Jupiter | 12 | 79 |
| Saturn | 30 | 57 |
This set of periods are known as the lesser years. The greater years are not used in the zodiacal releasing with the possible exception of Capricorn. See the Capricorn Controversy.
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