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This becomes quite inconvenient when we have to refer to time at a broader perspective say National or International level. With the advent of the postal department and later the railways etc. The horoscope which is a map of heavens at the given moment, contains 12 houses and the commencement of the horoscope is the 'first house' or the 'lagna' or the 'ascendant'. It is therefore most important to calculate the correct lagna or the ascendant without which no horoscope can be prepared. Students may now recall that while discussing about the ascendant or lagna vide Para 3.

As the lagna or ascendant or the sign of zodiac rising on the eastern horizon of a place at any time, is dependent on the rotation of earth on its axis due to which the time system known as the 'Sidereal Time' is also created, so. It therefore transpires that in order to know the lagna or the rising sign for a particular moment or epoch be it a birth of a child or birth of a.

Students may please refer to the Tables of Ascendants by N.

We therefore now proceed to discuss the method to calculate the sidereal time of a given moment or epoch. Lahiri all references in this lesson pertain to the seventh edition of the book published in and proceed as follows: Step 1 : Step 2 Step 3 Step 4 : Note down the sidereal time at 12h noon local mean time for 'E longitude for AD for the day and month of the given moment from Table I at page 2.

Note the correction for the given year from Table II given on pages 3 and 4 of the book and apply to sidereal time in step 1. Note the correction for the different localities from Table III given on page 5. A detailed list of principal cities of India has been given on pages to The last column of the table indicates the correction to the 'Indian Sidereal Time'.

Similarly the table for the foreign cities has been given on page to III of the book and the last column of the table again indicates the correction to the Indian Sidereal Time. Having applied these corrections, the result obtained let us call it' A' will represent the Sidereal time for the given date, year and place but will be for the local noon i.

This has been discussed elaborately in great detail and explained with the help of examples also vide para 5. Step 6: As the Sidereal time noted in the step 1 pertains to the local noon, we have to find out as to how many hours before or after the local noon, is the given time of the moment or Epoch. So, in case the LMT of the given moment is before noon, subtract it from hours. Step 7: The Time Interval T. Let us call it B. Step 8: The 'Increased T. The result thus obtained is the Sidereal Time of the birth or epoch or the given monment. The above mentioned eight steps can be explained with the help of a practical example or illustration.

Time on 25th Oct. Solution: Use Tables of Ascendants by N. It is always starting at '0' hour and goes upto 24 hour after which it again starts as OhOUf. Therefore any recorded time during this period Both days inclusive must be reduced by 1 hour to get the corrected 1ST before LMT correction is applied to obtain the LMT of birth. Provided the same correction is not made while noting down the time on the record.

The student can try for the years , , , or any other year to have practice. With this Sidereal Time we enter the relevant Table of Ascendants for the latitude of the place of birth to find out the Ascendant. However, before we proceed on to find the ascendant or lagna or the rising sign, we deal with the subject of sunrise and sunset in this lesson. The time of sunrise, sunset etc is very useful in astrological calculation to find out the dinmaan, ratrimaan i. As the Sun has a definite diameter, the solar disc takes some time i.

Therefore, from the first visibility of the upper limb of the solar disc to the time when the bottom limb of the solar disc is just above the horizon of the place, there will be a time diference of about 5 to 6 minutes. It has, therefore, been acknowledged that for astrological purpose The apparent noon is almost the same for all places. Ratri is the duration of time from sunset to sunrise. On the equator, the Ahas and Ratri are always 30 ghatis or 12 hours each, while on other latitudes the sum of Ahas and Ratri will be 24 hours or 60 ghatis.

Original Question: How is astrology used in mathematics? I think that you got this backwards. Mathematics doesn't care about astrology, and neither does. Mathematics is essential to all the sciences. It's the master-key of Aquarian Age science. Mathematics is not a calculation. The addition, subtraction and.

However there is a proper method to calculate the time of sunrise and sunset without making any reference to the given data in the Ephemeris. We don't propose to discuss that method through this lesson' as the same is not only cumbersome but involves too much mathematical calculation needing enormous time which is not warranted being beyond the scope and purview of these lessons.

However we may advise our those students who wants to dive deep into the subject of sunrise and sunset to refer to Chapter V Sunrise and Sunset of the book entitled Mathematical Astrology 59 A manual of Hindu Astrology by Dr.

Raman, where in a detailed exposition of the subject has been given by the learned author. Step 2: Refer to page 93 and 94 of Lahiri's Indian Ephemeris for the year and select two such consecutive dates that the date for which the sunrise time is desired falls in between the two selected dates.

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Similarly select two such consecutive latitudes from the table at page 78 so that the latitude of our desired place falls in between the two latitudes so selected. Step 3 Note down the timings of sunrise or the sunset as the case may be, for the above selected dates and latitudes as given in the table.

Add 3 minutes to the time of sunrise and deduct 3 minutes from the time of sunset to get the LMT of coincidence of the centre of the solar disc with the horizon. However we also give below the illustration to explain the steps mentioned above more clearly to our students.

It indicates the sign of Zodiac rising on the eastern horizon of the place at the given moment which is known as the lagna or the Ascendant. For the reference of students we give here some of the most commonly used formats by Astrologers in India and abroad. Then the counting of houses is done anti-clockwise. So the II house will have the sign! Rashi next to Capricon Makar i.

Kumbha or Aquarius written there as No. In this type the counting of houses is in clockwise direction. Afterwards the planets according to their position in the Zodiac at the moment are posted in the respective sign in the chart to make the map or the horoscope complete. In a way it combines the two charts discussed earlier i. The other aspects like posting the position of planets etc.

The lagna is written in the appropriate sign in the chart. Nowadays some Astrologers in India particularly in Maharashtra have also started using this type of chart for the horoscopes. This is a circular chart as shown in the figure, the twelve Bhavas or houses are marked in chart and symbol along with the degree is also indicated on each bhava.

In Indian Hindu Astrology, the cusps are treated as bhava Madhaya or the middle point of the houses where as in Western Astrology, the Asc cusp means the beginning of the first house, the II cusp means end of 1st house and beginning of the II house and so on. The planets are also shown with their symbols only and the degrees of the zodiac acquired by a planet is also written along with the Planet in the chart. Firstly we have to find by calculation the exact degree of longitude of the Ascendant or the lagna.

Secondly Mathematical Astrology 65 we have to calculate the longitudes of all the nine planets or grahas mentioned earlier in chapter 1. The first method is called the modern method by using the table of Ascendants and ephemeris.

I mean degree wise. Re: What suggests ability to do math Quote: Originally Posted by dhundhun Traditionally, Mercury is related to mathematical skill. There are a lot of books that can make a simple person acquainted with the basics of astrology. Outer Validation Follows Inner Validation For many people, the ability to accept another person's viewpoint or an alternative perspective requires that we attain that inner 'Aha' that allows us to accept and trust what another is expressing. Visit Moog's homepage! It is a consequence of the differentiation of knowledge that this has occurred.

The other method is traditional method adopted by the Hindu astrologers where the horoscopes are prepared with the help of traditional Panchangas almanacs, a kind oftraditional ephemeris. Now a days with the advent of calculators, log tables, computers etc.

In these lessons, therefore, our emphasis will be more on to the modern method. However for the academic interest of the students we will discuss the traditional method also at the appropriate time and place. But for the present let us proceed with the modern method of casting horoscope. Step 2 In the book Table of Ascendants by N.