Astrology Calculations

This page provides an in-depth look at George OBrien's Nakshatra dashas, including Vimshottari, Mahadasha, Antardasha, and Pratyantardasha, revealing how these astrological cycles influence their life journey and personality according to Vedic astrology.

Index of Nakshatra Dashas

Calculation of nakshatra dashas
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Vimshottari Dasha

It is an universal dasha and applicable to all kundalis, but more suitable when birth time is in Krishna Paksha and Sun Hora

In this kundali, Birth time is in Shukla Paksha and Sun Hora.

Maha Dasha

S.No. Period Start End Duration
1 | 1 Ma Jan. 30, 1921 Jan. 31, 1928 7.0 Years
2 | 1 Ra Jan. 31, 1928 Jan. 30, 1946 18.0 Years
3 | 1 Ju Jan. 30, 1946 Jan. 30, 1962 16.0 Years
4 | 1 Sa Jan. 30, 1962 Jan. 30, 1981 19.0 Years
5 | 1 Me Jan. 30, 1981 Jan. 30, 1998 17.0 Years
6 | 1 Ke Jan. 30, 1998 Jan. 29, 2005 7.0 Years
7 | 1 Ve Jan. 29, 2005 Jan. 29, 2025 20.0 Years
8 | 1 Su Jan. 29, 2025 Jan. 30, 2031 6.0 Years
9 | 1 Mo Jan. 30, 2031 Jan. 29, 2041 10.0 Years

Antar Dasha

S.No. Period Start End Duration

Pratyantar Dasha

S.No. Period Start End Duration

Sookshmantar Dasha

S.No. Period Start End Duration

Shodashottari Dasha

Birth time should be in Krishna Paksha and Moon Hora or Shukla Paksha and Sun Hora

In this kundali, Birth time is in Shukla Paksha and Sun Hora.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Me Jan. 25, 1913 Jan. 25, 1930 17.0 Years
2.0 | 1 Ve Jan. 25, 1930 Jan. 25, 1948 18.0 Years
3.0 | 1 Su Jan. 25, 1948 Jan. 25, 1959 11.0 Years
4.0 | 1 Ma Jan. 25, 1959 Jan. 25, 1971 12.0 Years
5.0 | 1 Ju Jan. 25, 1971 Jan. 25, 1984 13.0 Years
6.0 | 1 Sa Jan. 25, 1984 Jan. 24, 1998 14.0 Years
7.0 | 1 Ke Jan. 24, 1998 Jan. 24, 2013 15.0 Years
8.0 | 1 Mo Jan. 24, 2013 Jan. 24, 2029 16.0 Years

Antar Dasha

S.No. Period Start End Duration

Pratyantar Dasha

S.No. Period Start End Duration

Sookshmantar Dasha

S.No. Period Start End Duration

Dwadasottari Dasha

Birth ascendant navamsha lord should be Venus

In this kundali, Birth ascendant navamsha lord is in Ma.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Ma Jan. 25, 1913 Jan. 25, 1930 17.0 Years
2.0 | 1 Sa Jan. 25, 1930 Jan. 24, 1949 19.0 Years
3.0 | 1 Mo Jan. 24, 1949 Jan. 24, 1970 21.0 Years
4.0 | 1 Su Jan. 24, 1970 Jan. 24, 1977 7.0 Years
5.0 | 1 Ju Jan. 24, 1977 Jan. 24, 1986 9.0 Years
6.0 | 1 Ke Jan. 24, 1986 Jan. 24, 1997 11.0 Years
7.0 | 1 Me Jan. 24, 1997 Jan. 24, 2010 13.0 Years
8.0 | 1 Ra Jan. 24, 2010 Jan. 24, 2025 15.0 Years

Antar Dasha

S.No. Period Start End Duration

Pratyantar Dasha

S.No. Period Start End Duration

Sookshmantar Dasha

S.No. Period Start End Duration

Ashtottari Dasha

Rahu should be located in either angle or trine except first house.

In this kundali, Rahu is located in H7.

Maha Dasha

S.No. Period Start End Duration
1 | 1 Ma Nov. 19, 1919 Nov. 19, 1927 8.0 Years
2 | 1 Me Nov. 19, 1927 Nov. 18, 1944 17.0 Years
3 | 1 Sa Nov. 18, 1944 Nov. 19, 1954 10.0 Years
4 | 1 Ju Nov. 19, 1954 Nov. 18, 1973 19.0 Years
5 | 1 Ra Nov. 18, 1973 Nov. 18, 1985 12.0 Years
6 | 1 Ve Nov. 18, 1985 Nov. 18, 2006 21.0 Years
7 | 1 Su Nov. 18, 2006 Nov. 18, 2012 6.0 Years
8 | 1 Mo Nov. 18, 2012 Nov. 18, 2027 15.0 Years

Antar Dasha

S.No. Period Start End Duration

Pratyantar Dasha

S.No. Period Start End Duration

Sookshmantar Dasha

S.No. Period Start End Duration

Panchottari Dasha

Birth ascendant should be cancer and it should be same for D1 and D12 charts.

In this kundali, Birth ascendant is Sg and same for D1 and D12 charts.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Ma Sep. 02, 1914 Sep. 02, 1929 15.0 Years
2.0 | 1 Ve Sep. 02, 1929 Sep. 02, 1945 16.0 Years
3.0 | 1 Mo Sep. 02, 1945 Sep. 02, 1962 17.0 Years
4.0 | 1 Ju Sep. 02, 1962 Sep. 01, 1980 18.0 Years
5.0 | 1 Su Sep. 01, 1980 Sep. 01, 1992 12.0 Years
6.0 | 1 Me Sep. 01, 1992 Sep. 01, 2005 13.0 Years
7.0 | 1 Sa Sep. 01, 2005 Sep. 02, 2019 14.0 Years

Antar Dasha

S.No. Period Start End Duration

Pratyantar Dasha

S.No. Period Start End Duration

Sookshmantar Dasha

S.No. Period Start End Duration

Shatabdika Dasha

Birth ascendant should be vargottam.

In this kundali, Birth ascendant (Sg) is vargottam.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Su Sep. 07, 1922 Sep. 08, 1927 5.0 Years
2.0 | 1 Mo Sep. 08, 1927 Sep. 07, 1932 5.0 Years
3.0 | 1 Ve Sep. 07, 1932 Sep. 07, 1942 10.0 Years
4.0 | 1 Me Sep. 07, 1942 Sep. 07, 1952 10.0 Years
5.0 | 1 Ju Sep. 07, 1952 Sep. 07, 1972 20.0 Years
6.0 | 1 Ma Sep. 07, 1972 Sep. 06, 1992 20.0 Years
7.0 | 1 Sa Sep. 06, 1992 Sep. 07, 2022 30.0 Years

Antar Dasha

S.No. Period Start End Duration

Pratyantar Dasha

S.No. Period Start End Duration

Sookshmantar Dasha

S.No. Period Start End Duration

Chaturshiti Sama Dasha

H10 lord should be in H10.

In this kundali, H10 lord (Me) is located in H10.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Ve Jan. 27, 1917 Jan. 27, 1929 12.0 Years
2.0 | 1 Sa Jan. 27, 1929 Jan. 27, 1941 12.0 Years
3.0 | 1 Su Jan. 27, 1941 Jan. 27, 1953 12.0 Years
4.0 | 1 Mo Jan. 27, 1953 Jan. 27, 1965 12.0 Years
5.0 | 1 Ma Jan. 27, 1965 Jan. 27, 1977 12.0 Years
6.0 | 1 Me Jan. 27, 1977 Jan. 27, 1989 12.0 Years
7.0 | 1 Ju Jan. 27, 1989 Jan. 27, 2001 12.0 Years
8.0 | 2 Ve Jan. 27, 2001 Jan. 27, 2013 12.0 Years

Antar Dasha

S.No. Period Start End Duration

Pratyantar Dasha

S.No. Period Start End Duration

Sookshmantar Dasha

S.No. Period Start End Duration

Dwisaptati Sama Dasha

H1 lord should be in H7 or H7 lord should be in H1.

In this kundali, H7 lord (Me) is located in H1, H7 lord (Me) is located in H1.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Sa Jun. 24, 1919 Jun. 24, 1928 9.0 Years
2.0 | 1 Ra Jun. 24, 1928 Jun. 24, 1937 9.0 Years
3.0 | 1 Su Jun. 24, 1937 Jun. 24, 1946 9.0 Years
4.0 | 1 Mo Jun. 24, 1946 Jun. 24, 1955 9.0 Years
5.0 | 1 Ma Jun. 24, 1955 Jun. 23, 1964 9.0 Years
6.0 | 1 Me Jun. 23, 1964 Jun. 24, 1973 9.0 Years
7.0 | 1 Ju Jun. 24, 1973 Jun. 24, 1982 9.0 Years
8.0 | 1 Ve Jun. 24, 1982 Jun. 24, 1991 9.0 Years
9.0 | 2 Sa Jun. 24, 1991 Jun. 23, 2000 9.0 Years
10.0 | 2 Ra Jun. 23, 2000 Jun. 23, 2009 9.0 Years
11.0 | 2 Su Jun. 23, 2009 Jun. 23, 2018 9.0 Years

Antar Dasha

S.No. Period Start End Duration

Pratyantar Dasha

S.No. Period Start End Duration

Sookshmantar Dasha

S.No. Period Start End Duration

Shashtihayani Dasha

Sun should be located in first house (H1).

In this kundali, Sun is not located in first house (H1).

Maha Dasha

S.No. Period Start End Duration
1 | 1 Mo Jun. 28, 1925 Jun. 28, 1931 6.0 Years
2 | 1 Me Jun. 28, 1931 Jun. 28, 1937 6.0 Years
3 | 1 Ve Jun. 28, 1937 Jun. 28, 1943 6.0 Years
4 | 1 Sa Jun. 28, 1943 Jun. 28, 1949 6.0 Years
5 | 1 Ra Jun. 28, 1949 Jun. 28, 1955 6.0 Years
6 | 1 Ju Jun. 28, 1955 Jun. 28, 1965 10.0 Years
7 | 1 Su Jun. 28, 1965 Jun. 28, 1975 10.0 Years
8 | 1 Ma Jun. 28, 1975 Jun. 28, 1985 10.0 Years
9 | 2 Mo Jun. 28, 1985 Jun. 28, 1991 6.0 Years
10 | 2 Me Jun. 28, 1991 Jun. 27, 1997 6.0 Years
11 | 2 Ve Jun. 27, 1997 Jun. 28, 2003 6.0 Years
12 | 2 Sa Jun. 28, 2003 Jun. 27, 2009 6.0 Years
13 | 2 Ra Jun. 27, 2009 Jun. 28, 2015 6.0 Years

Antar Dasha

S.No. Period Start End Duration

Pratyantar Dasha

S.No. Period Start End Duration

Sookshmantar Dasha

S.No. Period Start End Duration

Shattrimshat Sama Dasha

Birth time should be in Moon Hora and fall under the category of Nigth Birth or in Sun Hora and fall under the category of Day Birth.

In this kundali, Birth time is in Sun Hora and fall under category of Day Birth.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Ma Jun. 27, 1923 Jun. 27, 1927 4.0 Years
2.0 | 1 Me Jun. 27, 1927 Jun. 26, 1932 5.0 Years
3.0 | 1 Sa Jun. 26, 1932 Jun. 27, 1938 6.0 Years
4.0 | 1 Ve Jun. 27, 1938 Jun. 27, 1945 7.0 Years
5.0 | 1 Ra Jun. 27, 1945 Jun. 26, 1953 8.0 Years
6.0 | 1 Mo Jun. 26, 1953 Jun. 27, 1954 1.0 Years
7.0 | 1 Su Jun. 27, 1954 Jun. 26, 1956 2.0 Years
8.0 | 1 Ju Jun. 26, 1956 Jun. 27, 1959 3.0 Years
9.0 | 2 Ma Jun. 27, 1959 Jun. 27, 1963 4.0 Years
10.0 | 2 Me Jun. 27, 1963 Jun. 26, 1968 5.0 Years
11.0 | 2 Sa Jun. 26, 1968 Jun. 27, 1974 6.0 Years
12.0 | 2 Ve Jun. 27, 1974 Jun. 26, 1981 7.0 Years
13.0 | 2 Ra Jun. 26, 1981 Jun. 26, 1989 8.0 Years
14.0 | 2 Mo Jun. 26, 1989 Jun. 26, 1990 1.0 Years
15.0 | 2 Su Jun. 26, 1990 Jun. 26, 1992 2.0 Years
16.0 | 2 Ju Jun. 26, 1992 Jun. 27, 1995 3.0 Years
17.0 | 3 Ma Jun. 27, 1995 Jun. 27, 1999 4.0 Years
18.0 | 3 Me Jun. 27, 1999 Jun. 26, 2004 5.0 Years
19.0 | 3 Sa Jun. 26, 2004 Jun. 26, 2010 6.0 Years
20.0 | 3 Ve Jun. 26, 2010 Jun. 26, 2017 7.0 Years

Antar Dasha

S.No. Period Start End Duration

Pratyantar Dasha

S.No. Period Start End Duration

Sookshmantar Dasha

S.No. Period Start End Duration
Astrology Calculations