HOW TO CALCULATE ASCENDANT

Ascendant and its mathematical calculation

We have understood by now that there are twelve signs and nine planets as far predictive astrology is concerned. For appreciating rising of different ascendant, we must remember the Sun sign first. Secondly we need to remember that early morning the rising ascendant is same as of Sun sign followed by other signs of the zodiac. For example:

It’s 17th of the April month. The first thing we should remember that Sun is in its exaltation status in Aries sign so rising sign early morning will be Aries only. While learning astrology, we will appreciate many times that most of things if predictive astrology are connected to Sun and Moon.

In the age of computers we do not wish to ask you learn un necessary mathematical calculations. But it is utmost important to know mathematical calculation of ascendant, Navmansha and other divisional charts. It helps a lot in predictive astrology.

To learn mathematical calculation, we need

1) Table of ascendants ( costing Rs. 50/-)

2) Lahiri’s Ephemeris of 2006 ( costing Rs. 60/-)

Q: Find out the ascendant for the native born at 0300 hours IST on 15th October, 2006, Delhi.

Ans.: please follow the easy steps

Step 1: The time given to us is IST and it should be first converted to local mean time

: hours minutes seconds

Birth time (IST) 3 00 00

Correction factor (-) 0 21 08

for Delhi (refer page

102 of tables of

ascendants)

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LMT: 2 38 52

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We can calculate LMT for any city referring the table.

Step 2:

To find out Sidereal time please open page 2 of the tables of ascendants. The sidereal time which is mentioned is at 82 ½ ˚ E longitude for 1900 A.D. You can see sid. time month wise for all 365 days of the year.

In our case, we need sidereal time for 15th October and it is:

hours minutes seconds

13 33 20

correction for year 2006 (+) 00 01 19

as mentioned on page

3 and 4

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ST for 15th October 2006 13 34 39

ST correction for Delhi

As mentioned on page 102 (+) 00 00 03

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ST for 15th October 2006,

Delhi at 1200 hours 13 34 42

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Step 3: As we know, the reference point of sidereal time is 1200 hours, and birth time is 0300 hours which is before ST, we need to subtract LMT from 1200 hours.

hours minutes seconds.

12 00 00

(-) 02 38 52

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time interval 09 21 08

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please refer page 5

correction for 9 hours (+) 01 29

correction for 21 minutes

and 8 seconds (+) 03

____________________________________

09 22 40

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Step : 4

ST for 15th October 2006,

Delhi at 1200 hours 13 34 42

(-) 09 22 40

_________________________________

ST at birth 04h 12m 02s

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Step: 5

Open page 49 of table of ascendants. Latitude 28 ˚ 39’ north (Delhi)

4h and 12 minute reflects: 4s 13 ˚ 19’

we can neglect 2 seconds.

The above figure means the ascendant rising has completed 4 signs meaning leo ascendant is running at 13 ˚ 19 minutes

Step 6:

Ayanamsa correction for year 2006: (-) 0 ˚ 57 minutes

S Kuber RA
Vedic Astrologer and Lal Kitab Expert
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