Astrology Calculations

This page provides an in-depth look at Rick Ostrander'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 May. 19, 1923 May. 19, 1930 7.0 Years
2 | 1 Ra May. 19, 1930 May. 18, 1948 18.0 Years
3 | 1 Ju May. 18, 1948 May. 18, 1964 16.0 Years
4 | 1 Sa May. 18, 1964 May. 19, 1983 19.0 Years
5 | 1 Me May. 19, 1983 May. 18, 2000 17.0 Years
6 | 1 Ke May. 18, 2000 May. 18, 2007 7.0 Years
7 | 1 Ve May. 18, 2007 May. 18, 2027 20.0 Years
8 | 1 Su May. 18, 2027 May. 18, 2033 6.0 Years
9 | 1 Mo May. 18, 2033 May. 18, 2043 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. 10, 1914 Aug. 10, 1932 18.0 Years
2.0 | 1 Su Aug. 10, 1932 Aug. 10, 1943 11.0 Years
3.0 | 1 Ma Aug. 10, 1943 Aug. 10, 1955 12.0 Years
4.0 | 1 Ju Aug. 10, 1955 Aug. 09, 1968 13.0 Years
5.0 | 1 Sa Aug. 09, 1968 Aug. 10, 1982 14.0 Years
6.0 | 1 Ke Aug. 10, 1982 Aug. 09, 1997 15.0 Years
7.0 | 1 Mo Aug. 09, 1997 Aug. 09, 2013 16.0 Years
8.0 | 1 Me Aug. 09, 2013 Aug. 09, 2030 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 Ju.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Ra Dec. 31, 1916 Jan. 01, 1932 15.0 Years
2.0 | 1 Ma Jan. 01, 1932 Dec. 31, 1948 17.0 Years
3.0 | 1 Sa Dec. 31, 1948 Dec. 31, 1967 19.0 Years
4.0 | 1 Mo Dec. 31, 1967 Dec. 30, 1988 21.0 Years
5.0 | 1 Su Dec. 30, 1988 Dec. 31, 1995 7.0 Years
6.0 | 1 Ju Dec. 31, 1995 Dec. 30, 2004 9.0 Years
7.0 | 1 Ke Dec. 30, 2004 Dec. 31, 2015 11.0 Years
8.0 | 1 Me Dec. 31, 2015 Dec. 30, 2028 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 H5.

Maha Dasha

S.No. Period Start End Duration
1 | 1 Ju Oct. 23, 1913 Oct. 23, 1932 19.0 Years
2 | 1 Ra Oct. 23, 1932 Oct. 22, 1944 12.0 Years
3 | 1 Ve Oct. 22, 1944 Oct. 23, 1965 21.0 Years
4 | 1 Su Oct. 23, 1965 Oct. 23, 1971 6.0 Years
5 | 1 Mo Oct. 23, 1971 Oct. 23, 1986 15.0 Years
6 | 1 Ma Oct. 23, 1986 Oct. 23, 1994 8.0 Years
7 | 1 Me Oct. 23, 1994 Oct. 23, 2011 17.0 Years
8 | 1 Sa Oct. 23, 2011 Oct. 22, 2021 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

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 Aug. 10, 1914 Aug. 10, 1932 18.0 Years
2.0 | 1 Su Aug. 10, 1932 Aug. 09, 1944 12.0 Years
3.0 | 1 Me Aug. 09, 1944 Aug. 10, 1957 13.0 Years
4.0 | 1 Sa Aug. 10, 1957 Aug. 10, 1971 14.0 Years
5.0 | 1 Ma Aug. 10, 1971 Aug. 10, 1986 15.0 Years
6.0 | 1 Ve Aug. 10, 1986 Aug. 10, 2002 16.0 Years
7.0 | 1 Mo Aug. 10, 2002 Aug. 10, 2019 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 Ve Dec. 26, 1920 Dec. 27, 1930 10.0 Years
2.0 | 1 Me Dec. 27, 1930 Dec. 26, 1940 10.0 Years
3.0 | 1 Ju Dec. 26, 1940 Dec. 26, 1960 20.0 Years
4.0 | 1 Ma Dec. 26, 1960 Dec. 26, 1980 20.0 Years
5.0 | 1 Sa Dec. 26, 1980 Dec. 26, 2010 30.0 Years
6.0 | 1 Su Dec. 26, 2010 Dec. 26, 2015 5.0 Years
7.0 | 1 Mo Dec. 26, 2015 Dec. 26, 2020 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. 24, 1919 May. 24, 1931 12.0 Years
2.0 | 1 Ma May. 24, 1931 May. 24, 1943 12.0 Years
3.0 | 1 Me May. 24, 1943 May. 23, 1955 12.0 Years
4.0 | 1 Ju May. 23, 1955 May. 23, 1967 12.0 Years
5.0 | 1 Ve May. 23, 1967 May. 23, 1979 12.0 Years
6.0 | 1 Sa May. 23, 1979 May. 23, 1991 12.0 Years
7.0 | 1 Su May. 23, 1991 May. 23, 2003 12.0 Years
8.0 | 2 Mo May. 23, 2003 May. 23, 2015 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 Ju Oct. 14, 1921 Oct. 14, 1930 9.0 Years
2.0 | 1 Ve Oct. 14, 1930 Oct. 14, 1939 9.0 Years
3.0 | 1 Sa Oct. 14, 1939 Oct. 13, 1948 9.0 Years
4.0 | 1 Ra Oct. 13, 1948 Oct. 13, 1957 9.0 Years
5.0 | 1 Su Oct. 13, 1957 Oct. 13, 1966 9.0 Years
6.0 | 1 Mo Oct. 13, 1966 Oct. 14, 1975 9.0 Years
7.0 | 1 Ma Oct. 14, 1975 Oct. 13, 1984 9.0 Years
8.0 | 1 Me Oct. 13, 1984 Oct. 13, 1993 9.0 Years
9.0 | 2 Ju Oct. 13, 1993 Oct. 13, 2002 9.0 Years
10.0 | 2 Ve Oct. 13, 2002 Oct. 13, 2011 9.0 Years
11.0 | 2 Sa Oct. 13, 2011 Oct. 12, 2020 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 May. 14, 1927 May. 14, 1933 6.0 Years
2 | 1 Ra May. 14, 1933 May. 14, 1939 6.0 Years
3 | 1 Ju May. 14, 1939 May. 14, 1949 10.0 Years
4 | 1 Su May. 14, 1949 May. 14, 1959 10.0 Years
5 | 1 Ma May. 14, 1959 May. 14, 1969 10.0 Years
6 | 1 Mo May. 14, 1969 May. 14, 1975 6.0 Years
7 | 1 Me May. 14, 1975 May. 13, 1981 6.0 Years
8 | 1 Ve May. 13, 1981 May. 14, 1987 6.0 Years
9 | 2 Sa May. 14, 1987 May. 13, 1993 6.0 Years
10 | 2 Ra May. 13, 1993 May. 14, 1999 6.0 Years
11 | 2 Ju May. 14, 1999 May. 13, 2009 10.0 Years
12 | 2 Su May. 13, 2009 May. 14, 2019 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 Day Birth.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Su May. 14, 1927 May. 14, 1929 2.0 Years
2.0 | 1 Ju May. 14, 1929 May. 14, 1932 3.0 Years
3.0 | 1 Ma May. 14, 1932 May. 14, 1936 4.0 Years
4.0 | 1 Me May. 14, 1936 May. 14, 1941 5.0 Years
5.0 | 1 Sa May. 14, 1941 May. 14, 1947 6.0 Years
6.0 | 1 Ve May. 14, 1947 May. 14, 1954 7.0 Years
7.0 | 1 Ra May. 14, 1954 May. 14, 1962 8.0 Years
8.0 | 1 Mo May. 14, 1962 May. 14, 1963 1.0 Years
9.0 | 2 Su May. 14, 1963 May. 14, 1965 2.0 Years
10.0 | 2 Ju May. 14, 1965 May. 13, 1968 3.0 Years
11.0 | 2 Ma May. 13, 1968 May. 13, 1972 4.0 Years
12.0 | 2 Me May. 13, 1972 May. 13, 1977 5.0 Years
13.0 | 2 Sa May. 13, 1977 May. 14, 1983 6.0 Years
14.0 | 2 Ve May. 14, 1983 May. 14, 1990 7.0 Years
15.0 | 2 Ra May. 14, 1990 May. 14, 1998 8.0 Years
16.0 | 2 Mo May. 14, 1998 May. 14, 1999 1.0 Years
17.0 | 3 Su May. 14, 1999 May. 13, 2001 2.0 Years
18.0 | 3 Ju May. 13, 2001 May. 13, 2004 3.0 Years
19.0 | 3 Ma May. 13, 2004 May. 13, 2008 4.0 Years
20.0 | 3 Me May. 13, 2008 May. 13, 2013 5.0 Years
21.0 | 3 Sa May. 13, 2013 May. 14, 2019 6.0 Years
22.0 | 3 Ve May. 14, 2019 May. 13, 2026 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