Astrology Calculations

This page provides an in-depth look at William Boyson'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 Krishna Paksha and Sun Hora.

Maha Dasha

S.No. Period Start End Duration
1 | 1 Su Dec. 05, 1892 Dec. 06, 1898 6.0 Years
2 | 1 Mo Dec. 06, 1898 Dec. 06, 1908 10.0 Years
3 | 1 Ma Dec. 06, 1908 Dec. 07, 1915 7.0 Years
4 | 1 Ra Dec. 07, 1915 Dec. 06, 1933 18.0 Years
5 | 1 Ju Dec. 06, 1933 Dec. 06, 1949 16.0 Years
6 | 1 Sa Dec. 06, 1949 Dec. 06, 1968 19.0 Years
7 | 1 Me Dec. 06, 1968 Dec. 06, 1985 17.0 Years
8 | 1 Ke Dec. 06, 1985 Dec. 05, 1992 7.0 Years
9 | 1 Ve Dec. 05, 1992 Dec. 05, 2012 20.0 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 Krishna Paksha and Sun Hora.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Me Aug. 26, 1889 Aug. 27, 1906 17.0 Years
2.0 | 1 Ve Aug. 27, 1906 Aug. 26, 1924 18.0 Years
3.0 | 1 Su Aug. 26, 1924 Aug. 27, 1935 11.0 Years
4.0 | 1 Ma Aug. 27, 1935 Aug. 27, 1947 12.0 Years
5.0 | 1 Ju Aug. 27, 1947 Aug. 26, 1960 13.0 Years
6.0 | 1 Sa Aug. 26, 1960 Aug. 26, 1974 14.0 Years
7.0 | 1 Ke Aug. 26, 1974 Aug. 26, 1989 15.0 Years
8.0 | 1 Mo Aug. 26, 1989 Aug. 26, 2005 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 Ve.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Su Aug. 18, 1892 Aug. 19, 1899 7.0 Years
2.0 | 1 Ju Aug. 19, 1899 Aug. 19, 1908 9.0 Years
3.0 | 1 Ke Aug. 19, 1908 Aug. 20, 1919 11.0 Years
4.0 | 1 Me Aug. 20, 1919 Aug. 19, 1932 13.0 Years
5.0 | 1 Ra Aug. 19, 1932 Aug. 20, 1947 15.0 Years
6.0 | 1 Ma Aug. 20, 1947 Aug. 19, 1964 17.0 Years
7.0 | 1 Sa Aug. 19, 1964 Aug. 19, 1983 19.0 Years
8.0 | 1 Mo Aug. 19, 1983 Aug. 18, 2004 21.0 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 H3.

Maha Dasha

S.No. Period Start End Duration
1 | 1 Su Dec. 05, 1892 Dec. 06, 1898 6.0 Years
2 | 1 Mo Dec. 06, 1898 Dec. 06, 1913 15.0 Years
3 | 1 Ma Dec. 06, 1913 Dec. 06, 1921 8.0 Years
4 | 1 Me Dec. 06, 1921 Dec. 06, 1938 17.0 Years
5 | 1 Sa Dec. 06, 1938 Dec. 06, 1948 10.0 Years
6 | 1 Ju Dec. 06, 1948 Dec. 06, 1967 19.0 Years
7 | 1 Ra Dec. 06, 1967 Dec. 06, 1979 12.0 Years
8 | 1 Ve Dec. 06, 1979 Dec. 05, 2000 21.0 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 Cp and same for D1 and D12 charts.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Ju May. 09, 1889 May. 10, 1907 18.0 Years
2.0 | 1 Su May. 10, 1907 May. 10, 1919 12.0 Years
3.0 | 1 Me May. 10, 1919 May. 09, 1932 13.0 Years
4.0 | 1 Sa May. 09, 1932 May. 10, 1946 14.0 Years
5.0 | 1 Ma May. 10, 1946 May. 09, 1961 15.0 Years
6.0 | 1 Ve May. 09, 1961 May. 09, 1977 16.0 Years
7.0 | 1 Mo May. 09, 1977 May. 09, 1994 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 (Cp) is vargottam.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Me Sep. 27, 1891 Sep. 27, 1901 10.0 Years
2.0 | 1 Ju Sep. 27, 1901 Sep. 27, 1921 20.0 Years
3.0 | 1 Ma Sep. 27, 1921 Sep. 27, 1941 20.0 Years
4.0 | 1 Sa Sep. 27, 1941 Sep. 27, 1971 30.0 Years
5.0 | 1 Su Sep. 27, 1971 Sep. 26, 1976 5.0 Years
6.0 | 1 Mo Sep. 26, 1976 Sep. 27, 1981 5.0 Years
7.0 | 1 Ve Sep. 27, 1981 Sep. 27, 1991 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

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 Feb. 21, 1891 Feb. 22, 1903 12.0 Years
2.0 | 1 Ma Feb. 22, 1903 Feb. 22, 1915 12.0 Years
3.0 | 1 Me Feb. 22, 1915 Feb. 22, 1927 12.0 Years
4.0 | 1 Ju Feb. 22, 1927 Feb. 22, 1939 12.0 Years
5.0 | 1 Ve Feb. 22, 1939 Feb. 22, 1951 12.0 Years
6.0 | 1 Sa Feb. 22, 1951 Feb. 22, 1963 12.0 Years
7.0 | 1 Su Feb. 22, 1963 Feb. 21, 1975 12.0 Years
8.0 | 2 Mo Feb. 21, 1975 Feb. 21, 1987 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 (Mo) is located in H1, H7 lord (Mo) is located in H1.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Me Jan. 14, 1892 Jan. 14, 1901 9.0 Years
2.0 | 1 Ju Jan. 14, 1901 Jan. 14, 1910 9.0 Years
3.0 | 1 Ve Jan. 14, 1910 Jan. 14, 1919 9.0 Years
4.0 | 1 Sa Jan. 14, 1919 Jan. 14, 1928 9.0 Years
5.0 | 1 Ra Jan. 14, 1928 Jan. 13, 1937 9.0 Years
6.0 | 1 Su Jan. 13, 1937 Jan. 14, 1946 9.0 Years
7.0 | 1 Mo Jan. 14, 1946 Jan. 14, 1955 9.0 Years
8.0 | 1 Ma Jan. 14, 1955 Jan. 14, 1964 9.0 Years
9.0 | 2 Me Jan. 14, 1964 Jan. 13, 1973 9.0 Years
10.0 | 2 Ju Jan. 13, 1973 Jan. 13, 1982 9.0 Years
11.0 | 2 Ve Jan. 13, 1982 Jan. 14, 1991 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 Ju Sep. 21, 1893 Sep. 23, 1903 10.0 Years
2 | 1 Su Sep. 23, 1903 Sep. 22, 1913 10.0 Years
3 | 1 Ma Sep. 22, 1913 Sep. 23, 1923 10.0 Years
4 | 1 Mo Sep. 23, 1923 Sep. 22, 1929 6.0 Years
5 | 1 Me Sep. 22, 1929 Sep. 23, 1935 6.0 Years
6 | 1 Ve Sep. 23, 1935 Sep. 22, 1941 6.0 Years
7 | 1 Sa Sep. 22, 1941 Sep. 22, 1947 6.0 Years
8 | 1 Ra Sep. 22, 1947 Sep. 22, 1953 6.0 Years
9 | 2 Ju Sep. 22, 1953 Sep. 22, 1963 10.0 Years
10 | 2 Su Sep. 22, 1963 Sep. 22, 1973 10.0 Years
11 | 2 Ma Sep. 22, 1973 Sep. 22, 1983 10.0 Years
12 | 2 Mo Sep. 22, 1983 Sep. 22, 1989 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 Mo Jun. 02, 1894 Jun. 03, 1895 1.0 Years
2.0 | 1 Su Jun. 03, 1895 Jun. 02, 1897 2.0 Years
3.0 | 1 Ju Jun. 02, 1897 Jun. 03, 1900 3.0 Years
4.0 | 1 Ma Jun. 03, 1900 Jun. 03, 1904 4.0 Years
5.0 | 1 Me Jun. 03, 1904 Jun. 03, 1909 5.0 Years
6.0 | 1 Sa Jun. 03, 1909 Jun. 03, 1915 6.0 Years
7.0 | 1 Ve Jun. 03, 1915 Jun. 03, 1922 7.0 Years
8.0 | 1 Ra Jun. 03, 1922 Jun. 03, 1930 8.0 Years
9.0 | 2 Mo Jun. 03, 1930 Jun. 03, 1931 1.0 Years
10.0 | 2 Su Jun. 03, 1931 Jun. 03, 1933 2.0 Years
11.0 | 2 Ju Jun. 03, 1933 Jun. 02, 1936 3.0 Years
12.0 | 2 Ma Jun. 02, 1936 Jun. 02, 1940 4.0 Years
13.0 | 2 Me Jun. 02, 1940 Jun. 03, 1945 5.0 Years
14.0 | 2 Sa Jun. 03, 1945 Jun. 03, 1951 6.0 Years
15.0 | 2 Ve Jun. 03, 1951 Jun. 03, 1958 7.0 Years
16.0 | 2 Ra Jun. 03, 1958 Jun. 03, 1966 8.0 Years
17.0 | 3 Mo Jun. 03, 1966 Jun. 03, 1967 1.0 Years
18.0 | 3 Su Jun. 03, 1967 Jun. 02, 1969 2.0 Years
19.0 | 3 Ju Jun. 02, 1969 Jun. 02, 1972 3.0 Years
20.0 | 3 Ma Jun. 02, 1972 Jun. 02, 1976 4.0 Years
21.0 | 3 Me Jun. 02, 1976 Jun. 02, 1981 5.0 Years
22.0 | 3 Sa Jun. 02, 1981 Jun. 03, 1987 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
Astrology Calculations