Special Lagnas

 Introduction

There are some special lagnas defined by Parasara. We will see them below.

Bhava Lagna (BL):

Bhaava lagna is at the position of the Sun at the time of sunrise. It moves at the rate of one rasi per 2 hours. If sunrise takes place at 6:00 am and the Sun is at 6s 4°47' then, hora lagna is at 6s 4°47' at 6:00 am, at 6s 19°47' at 7:00 am, at 7s 4°47' at 8:00 am, 8s 4°47' at 10:00 am and so on. Bhavalagna moves at the rate of 1° per 4 minutes (i.e., 15° per hour).

The following method may be used for computing bhava lagna.

(1) Find the time of sunrise and the sun's longitude at sunrise.

 (2) Find the difference between the birth time (or the event time) and the sunrise time found in (1) above. Convert the difference into minutes. The result is the advancement of bhava lagna since sunrise, in degrees.

 (3) Add the Sun's longitude at sunrise (in degrees) to the above number. Expunge multiples of 360° and reduce the number to the range 0°–360°.

 (4) This is the longitude of bhava lagna (BL).

Hora Lagna (HL):

Hora lagna is at the position of the Sun at the time of sunrise. It moves at the rate of one rasi per hora (hour). If sunrise takes place at 6:00 am and the Sun is at 6s 4°47' then, hora lagna is at 6s 4°47' at 6:00 am, at 6s 19°47' at 6:30 am, at 7s 4°47' at 7:00 am, 8s 4°47' at 8:00 am and so on. Horalagna moves at the rate of 1/2° per minute (i.e., 30° per hour).

The following method may be used for computing hora lagna.

(1) Find the time of sunrise and the sun's longitude at sunrise.

(2) Find the difference between the birth time (or the event time) and the sunrise time found in (1) above. Convert the difference into minutes.

(3) Divide the number by 2. The result is the advancement of hora lagna since sunrise, in degrees.

(4) Add the Sun's longitude at sunrise (in degrees) to the above number. Expunge multiples of 360° and reduce the number to the range 0°–360°.

(5) This is the longitude of horalagna (HL).

Ghati Lagna (GL):

Ghati lagna is at the position of the Sun at the time of sunrise. It moves at the rate of one rasi per ghati (ghati=1/60th of a day, i.e., 24 minutes).

If sunrise takes place at 6:00 am and Sun is at 6s 4°47' then, ghati lagna is at 6s 4°47' at 6:00 am, at 6s 19°47' at 6:12 am, at 7s 4°47' at 6:24 am, 8s 4°47' at 6:48 am and so on. Ghati lagna moves at the rate of 1°15' per minute (i.e., 30° per 24 minutes).

The following method may be used for computing ghatilagna.

(1) Find the time of sunrise and the sun's longitude at sunrise.

(2) Find the difference between the birth time (or the event time) and the sunrise time found in (1) above. Convert the difference into minutes.

(3) Multiply the number by 5. Divide the result by 4. The result is the advancement of ghati lagna since sunrise, in degrees.

(4) Add the Sun's longitude at sunrise (in degrees) to the above number. Expunge multiples of 360° and reduce the number to the range 0°–360°.

(5) This is the longitude of ghatilagna (GL).

Comments:

(1) If the birthtime changes by one minute, GL will change by 1.25° (i.e., 1°15'). This is quite large and it can cause some error in the position of GL in some divisional charts. So, ghati lagna is more sensitive to birthtime errors than normal lagna. When using GL in divisional charts, we should keep this in mind and try to correct the birthtime based on known events first. Wrong data produces wrong results. Our analysis can only be as good as our data!

(2) Some astrologers don't like dealing with it, but birthtime errors are a fact of life and we have to live with them. If we prefer to choose methods that work in spite of deviation in birthtime by a few minutes, we are ignoring a key fact – there are many people in this world who are born a few minutes apart in nearby places and yet lead significantly different lives.

In any chart, normal lagna shows self. Hora lagna shows self, from the point of view of money, wealth, and prosperity. Ghati lagna shows self, from the point of view of fame, power, and authority. For example, when we time good and bad periods for a businessman, hora lagna may be very important. When we time good and bad periods for a politician, ghati lagna may be very important.

Sree Lagna (SL):

In Sanskrit, the word “Sree” means wealth. It also means Lakshmi, wife of Lord Narayana and goddess of wealth. Sree Lagna is important for prosperity.

(1) Find the constellation occupied by the Moon.

(2) Find the fraction of the constellation traversed by Moon.

(3) Find the same fraction of the zodiac (360°).

(4) Add this amount to the longitude of lagna. Subtract multiples of 360° if necessary. The resulting amount is the longitude of Sree Lagna (SL).

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