Astrology Calculations

This page provides an in-depth look at Pat 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 Moon Hora.

Maha Dasha

S.No. Period Start End Duration
1 | 1 Ma Feb. 23, 1893 Feb. 24, 1900 7.0 Years
2 | 1 Ra Feb. 24, 1900 Feb. 24, 1918 18.0 Years
3 | 1 Ju Feb. 24, 1918 Feb. 24, 1934 16.0 Years
4 | 1 Sa Feb. 24, 1934 Feb. 23, 1953 19.0 Years
5 | 1 Me Feb. 23, 1953 Feb. 23, 1970 17.0 Years
6 | 1 Ke Feb. 23, 1970 Feb. 23, 1977 7.0 Years
7 | 1 Ve Feb. 23, 1977 Feb. 23, 1997 20.0 Years
8 | 1 Su Feb. 23, 1997 Feb. 23, 2003 6.0 Years
9 | 1 Mo Feb. 23, 2003 Feb. 23, 2013 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 Moon Hora.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Ve Aug. 07, 1882 Aug. 07, 1900 18.0 Years
2.0 | 1 Su Aug. 07, 1900 Aug. 08, 1911 11.0 Years
3.0 | 1 Ma Aug. 08, 1911 Aug. 08, 1923 12.0 Years
4.0 | 1 Ju Aug. 08, 1923 Aug. 07, 1936 13.0 Years
5.0 | 1 Sa Aug. 07, 1936 Aug. 08, 1950 14.0 Years
6.0 | 1 Ke Aug. 08, 1950 Aug. 07, 1965 15.0 Years
7.0 | 1 Mo Aug. 07, 1965 Aug. 07, 1981 16.0 Years
8.0 | 1 Me Aug. 07, 1981 Aug. 07, 1998 17.0 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 Ra Jun. 23, 1885 Jun. 23, 1900 15.0 Years
2.0 | 1 Ma Jun. 23, 1900 Jun. 24, 1917 17.0 Years
3.0 | 1 Sa Jun. 24, 1917 Jun. 23, 1936 19.0 Years
4.0 | 1 Mo Jun. 23, 1936 Jun. 23, 1957 21.0 Years
5.0 | 1 Su Jun. 23, 1957 Jun. 23, 1964 7.0 Years
6.0 | 1 Ju Jun. 23, 1964 Jun. 23, 1973 9.0 Years
7.0 | 1 Ke Jun. 23, 1973 Jun. 23, 1984 11.0 Years
8.0 | 1 Me Jun. 23, 1984 Jun. 23, 1997 13.0 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 H4.

Maha Dasha

S.No. Period Start End Duration
1 | 1 Ra May. 09, 1888 May. 09, 1900 12.0 Years
2 | 1 Ve May. 09, 1900 May. 10, 1921 21.0 Years
3 | 1 Su May. 10, 1921 May. 10, 1927 6.0 Years
4 | 1 Mo May. 10, 1927 May. 10, 1942 15.0 Years
5 | 1 Ma May. 10, 1942 May. 10, 1950 8.0 Years
6 | 1 Me May. 10, 1950 May. 10, 1967 17.0 Years
7 | 1 Sa May. 10, 1967 May. 09, 1977 10.0 Years
8 | 1 Ju May. 09, 1977 May. 09, 1996 19.0 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 Le and same for D1 and D12 charts.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Ju Aug. 07, 1882 Aug. 07, 1900 18.0 Years
2.0 | 1 Su Aug. 07, 1900 Aug. 07, 1912 12.0 Years
3.0 | 1 Me Aug. 07, 1912 Aug. 07, 1925 13.0 Years
4.0 | 1 Sa Aug. 07, 1925 Aug. 08, 1939 14.0 Years
5.0 | 1 Ma Aug. 08, 1939 Aug. 07, 1954 15.0 Years
6.0 | 1 Ve Aug. 07, 1954 Aug. 07, 1970 16.0 Years
7.0 | 1 Mo Aug. 07, 1970 Aug. 07, 1987 17.0 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 (Le) is vargottam.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Ve Apr. 09, 1890 Apr. 09, 1900 10.0 Years
2.0 | 1 Me Apr. 09, 1900 Apr. 10, 1910 10.0 Years
3.0 | 1 Ju Apr. 10, 1910 Apr. 10, 1930 20.0 Years
4.0 | 1 Ma Apr. 10, 1930 Apr. 10, 1950 20.0 Years
5.0 | 1 Sa Apr. 10, 1950 Apr. 09, 1980 30.0 Years
6.0 | 1 Su Apr. 09, 1980 Apr. 09, 1985 5.0 Years
7.0 | 1 Mo Apr. 09, 1985 Apr. 09, 1990 5.0 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 (Ve) is located in H10.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Mo May. 09, 1888 May. 09, 1900 12.0 Years
2.0 | 1 Ma May. 09, 1900 May. 09, 1912 12.0 Years
3.0 | 1 Me May. 09, 1912 May. 09, 1924 12.0 Years
4.0 | 1 Ju May. 09, 1924 May. 09, 1936 12.0 Years
5.0 | 1 Ve May. 09, 1936 May. 09, 1948 12.0 Years
6.0 | 1 Sa May. 09, 1948 May. 09, 1960 12.0 Years
7.0 | 1 Su May. 09, 1960 May. 09, 1972 12.0 Years
8.0 | 2 Mo May. 09, 1972 May. 09, 1984 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 (Sa) is located in H1, H7 lord (Sa) is located in H1.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Ju Mar. 25, 1891 Mar. 25, 1900 9.0 Years
2.0 | 1 Ve Mar. 25, 1900 Mar. 26, 1909 9.0 Years
3.0 | 1 Sa Mar. 26, 1909 Mar. 26, 1918 9.0 Years
4.0 | 1 Ra Mar. 26, 1918 Mar. 26, 1927 9.0 Years
5.0 | 1 Su Mar. 26, 1927 Mar. 25, 1936 9.0 Years
6.0 | 1 Mo Mar. 25, 1936 Mar. 25, 1945 9.0 Years
7.0 | 1 Ma Mar. 25, 1945 Mar. 26, 1954 9.0 Years
8.0 | 1 Me Mar. 26, 1954 Mar. 26, 1963 9.0 Years
9.0 | 2 Ju Mar. 26, 1963 Mar. 25, 1972 9.0 Years
10.0 | 2 Ve Mar. 25, 1972 Mar. 25, 1981 9.0 Years
11.0 | 2 Sa Mar. 25, 1981 Mar. 25, 1990 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 Sa Dec. 10, 1897 Dec. 12, 1903 6.0 Years
2 | 1 Ra Dec. 12, 1903 Dec. 11, 1909 6.0 Years
3 | 1 Ju Dec. 11, 1909 Dec. 11, 1919 10.0 Years
4 | 1 Su Dec. 11, 1919 Dec. 11, 1929 10.0 Years
5 | 1 Ma Dec. 11, 1929 Dec. 11, 1939 10.0 Years
6 | 1 Mo Dec. 11, 1939 Dec. 11, 1945 6.0 Years
7 | 1 Me Dec. 11, 1945 Dec. 11, 1951 6.0 Years
8 | 1 Ve Dec. 11, 1951 Dec. 11, 1957 6.0 Years
9 | 2 Sa Dec. 11, 1957 Dec. 11, 1963 6.0 Years
10 | 2 Ra Dec. 11, 1963 Dec. 11, 1969 6.0 Years
11 | 2 Ju Dec. 11, 1969 Dec. 11, 1979 10.0 Years
12 | 2 Su Dec. 11, 1979 Dec. 10, 1989 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

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 Moon Hora and fall under category of Night Birth.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Su Dec. 10, 1897 Dec. 11, 1899 2.0 Years
2.0 | 1 Ju Dec. 11, 1899 Dec. 11, 1902 3.0 Years
3.0 | 1 Ma Dec. 11, 1902 Dec. 11, 1906 4.0 Years
4.0 | 1 Me Dec. 11, 1906 Dec. 11, 1911 5.0 Years
5.0 | 1 Sa Dec. 11, 1911 Dec. 11, 1917 6.0 Years
6.0 | 1 Ve Dec. 11, 1917 Dec. 11, 1924 7.0 Years
7.0 | 1 Ra Dec. 11, 1924 Dec. 11, 1932 8.0 Years
8.0 | 1 Mo Dec. 11, 1932 Dec. 11, 1933 1.0 Years
9.0 | 2 Su Dec. 11, 1933 Dec. 11, 1935 2.0 Years
10.0 | 2 Ju Dec. 11, 1935 Dec. 11, 1938 3.0 Years
11.0 | 2 Ma Dec. 11, 1938 Dec. 11, 1942 4.0 Years
12.0 | 2 Me Dec. 11, 1942 Dec. 11, 1947 5.0 Years
13.0 | 2 Sa Dec. 11, 1947 Dec. 11, 1953 6.0 Years
14.0 | 2 Ve Dec. 11, 1953 Dec. 10, 1960 7.0 Years
15.0 | 2 Ra Dec. 10, 1960 Dec. 10, 1968 8.0 Years
16.0 | 2 Mo Dec. 10, 1968 Dec. 11, 1969 1.0 Years
17.0 | 3 Su Dec. 11, 1969 Dec. 11, 1971 2.0 Years
18.0 | 3 Ju Dec. 11, 1971 Dec. 11, 1974 3.0 Years
19.0 | 3 Ma Dec. 11, 1974 Dec. 11, 1978 4.0 Years
20.0 | 3 Me Dec. 11, 1978 Dec. 11, 1983 5.0 Years
21.0 | 3 Sa Dec. 11, 1983 Dec. 10, 1989 6.0 Years
22.0 | 3 Ve Dec. 10, 1989 Dec. 10, 1996 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