Astrology Calculations

This page provides an in-depth look at Richard Irvine'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 Moon Hora.

Maha Dasha

S.No. Period Start End Duration
1 | 1 Mo Jan. 28, 1901 Jan. 28, 1911 10.0 Years
2 | 1 Ma Jan. 28, 1911 Jan. 28, 1918 7.0 Years
3 | 1 Ra Jan. 28, 1918 Jan. 28, 1936 18.0 Years
4 | 1 Ju Jan. 28, 1936 Jan. 28, 1952 16.0 Years
5 | 1 Sa Jan. 28, 1952 Jan. 28, 1971 19.0 Years
6 | 1 Me Jan. 28, 1971 Jan. 28, 1988 17.0 Years
7 | 1 Ke Jan. 28, 1988 Jan. 27, 1995 7.0 Years
8 | 1 Ve Jan. 27, 1995 Jan. 27, 2015 20.0 Years
9 | 1 Su Jan. 27, 2015 Jan. 27, 2021 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

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 Moon Hora.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Me Aug. 24, 1894 Aug. 25, 1911 17.0 Years
2.0 | 1 Ve Aug. 25, 1911 Aug. 24, 1929 18.0 Years
3.0 | 1 Su Aug. 24, 1929 Aug. 24, 1940 11.0 Years
4.0 | 1 Ma Aug. 24, 1940 Aug. 24, 1952 12.0 Years
5.0 | 1 Ju Aug. 24, 1952 Aug. 24, 1965 13.0 Years
6.0 | 1 Sa Aug. 24, 1965 Aug. 24, 1979 14.0 Years
7.0 | 1 Ke Aug. 24, 1979 Aug. 24, 1994 15.0 Years
8.0 | 1 Mo Aug. 24, 1994 Aug. 24, 2010 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 Aug. 24, 1894 Aug. 25, 1911 17.0 Years
2.0 | 1 Sa Aug. 25, 1911 Aug. 24, 1930 19.0 Years
3.0 | 1 Mo Aug. 24, 1930 Aug. 25, 1951 21.0 Years
4.0 | 1 Su Aug. 25, 1951 Aug. 24, 1958 7.0 Years
5.0 | 1 Ju Aug. 24, 1958 Aug. 24, 1967 9.0 Years
6.0 | 1 Ke Aug. 24, 1967 Aug. 24, 1978 11.0 Years
7.0 | 1 Me Aug. 24, 1978 Aug. 24, 1991 13.0 Years
8.0 | 1 Ra Aug. 24, 1991 Aug. 24, 2006 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 H4.

Maha Dasha

S.No. Period Start End Duration
1 | 1 Sa Jun. 18, 1900 Jun. 18, 1910 10.0 Years
2 | 1 Ju Jun. 18, 1910 Jun. 18, 1929 19.0 Years
3 | 1 Ra Jun. 18, 1929 Jun. 18, 1941 12.0 Years
4 | 1 Ve Jun. 18, 1941 Jun. 18, 1962 21.0 Years
5 | 1 Su Jun. 18, 1962 Jun. 17, 1968 6.0 Years
6 | 1 Mo Jun. 17, 1968 Jun. 18, 1983 15.0 Years
7 | 1 Ma Jun. 18, 1983 Jun. 18, 1991 8.0 Years
8 | 1 Me Jun. 18, 1991 Jun. 17, 2008 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

Panchottari Dasha

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

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

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Mo Aug. 24, 1894 Aug. 25, 1911 17.0 Years
2.0 | 1 Ju Aug. 25, 1911 Aug. 24, 1929 18.0 Years
3.0 | 1 Su Aug. 24, 1929 Aug. 24, 1941 12.0 Years
4.0 | 1 Me Aug. 24, 1941 Aug. 24, 1954 13.0 Years
5.0 | 1 Sa Aug. 24, 1954 Aug. 24, 1968 14.0 Years
6.0 | 1 Ma Aug. 24, 1968 Aug. 24, 1983 15.0 Years
7.0 | 1 Ve Aug. 24, 1983 Aug. 24, 1999 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

Shatabdika Dasha

Birth ascendant should be vargottam.

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

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Mo Sep. 01, 1905 Sep. 01, 1910 5.0 Years
2.0 | 1 Ve Sep. 01, 1910 Aug. 31, 1920 10.0 Years
3.0 | 1 Me Aug. 31, 1920 Sep. 01, 1930 10.0 Years
4.0 | 1 Ju Sep. 01, 1930 Sep. 01, 1950 20.0 Years
5.0 | 1 Ma Sep. 01, 1950 Aug. 31, 1970 20.0 Years
6.0 | 1 Sa Aug. 31, 1970 Aug. 31, 2000 30.0 Years
7.0 | 1 Su Aug. 31, 2000 Aug. 31, 2005 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 (Ma) is located in H10.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Su Mar. 28, 1899 Mar. 29, 1911 12.0 Years
2.0 | 1 Mo Mar. 29, 1911 Mar. 29, 1923 12.0 Years
3.0 | 1 Ma Mar. 29, 1923 Mar. 29, 1935 12.0 Years
4.0 | 1 Me Mar. 29, 1935 Mar. 28, 1947 12.0 Years
5.0 | 1 Ju Mar. 28, 1947 Mar. 28, 1959 12.0 Years
6.0 | 1 Ve Mar. 28, 1959 Mar. 28, 1971 12.0 Years
7.0 | 1 Sa Mar. 28, 1971 Mar. 28, 1983 12.0 Years
8.0 | 2 Su Mar. 28, 1983 Mar. 28, 1995 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 (Su) is located in H1, H7 lord (Su) is located in H1.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Me Dec. 29, 1901 Dec. 29, 1910 9.0 Years
2.0 | 1 Ju Dec. 29, 1910 Dec. 29, 1919 9.0 Years
3.0 | 1 Ve Dec. 29, 1919 Dec. 29, 1928 9.0 Years
4.0 | 1 Sa Dec. 29, 1928 Dec. 29, 1937 9.0 Years
5.0 | 1 Ra Dec. 29, 1937 Dec. 29, 1946 9.0 Years
6.0 | 1 Su Dec. 29, 1946 Dec. 29, 1955 9.0 Years
7.0 | 1 Mo Dec. 29, 1955 Dec. 28, 1964 9.0 Years
8.0 | 1 Ma Dec. 28, 1964 Dec. 28, 1973 9.0 Years
9.0 | 2 Me Dec. 28, 1973 Dec. 29, 1982 9.0 Years
10.0 | 2 Ju Dec. 29, 1982 Dec. 29, 1991 9.0 Years
11.0 | 2 Ve Dec. 29, 1991 Dec. 28, 2000 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 Aug. 02, 1906 Aug. 02, 1912 6.0 Years
2 | 1 Ra Aug. 02, 1912 Aug. 02, 1918 6.0 Years
3 | 1 Ju Aug. 02, 1918 Aug. 01, 1928 10.0 Years
4 | 1 Su Aug. 01, 1928 Aug. 02, 1938 10.0 Years
5 | 1 Ma Aug. 02, 1938 Aug. 01, 1948 10.0 Years
6 | 1 Mo Aug. 01, 1948 Aug. 02, 1954 6.0 Years
7 | 1 Me Aug. 02, 1954 Aug. 01, 1960 6.0 Years
8 | 1 Ve Aug. 01, 1960 Aug. 02, 1966 6.0 Years
9 | 2 Sa Aug. 02, 1966 Aug. 01, 1972 6.0 Years
10 | 2 Ra Aug. 01, 1972 Aug. 01, 1978 6.0 Years
11 | 2 Ju Aug. 01, 1978 Aug. 01, 1988 10.0 Years
12 | 2 Su Aug. 01, 1988 Aug. 01, 1998 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 Mo May. 04, 1909 May. 05, 1910 1.0 Years
2.0 | 1 Su May. 05, 1910 May. 04, 1912 2.0 Years
3.0 | 1 Ju May. 04, 1912 May. 05, 1915 3.0 Years
4.0 | 1 Ma May. 05, 1915 May. 05, 1919 4.0 Years
5.0 | 1 Me May. 05, 1919 May. 04, 1924 5.0 Years
6.0 | 1 Sa May. 04, 1924 May. 04, 1930 6.0 Years
7.0 | 1 Ve May. 04, 1930 May. 04, 1937 7.0 Years
8.0 | 1 Ra May. 04, 1937 May. 04, 1945 8.0 Years
9.0 | 2 Mo May. 04, 1945 May. 04, 1946 1.0 Years
10.0 | 2 Su May. 04, 1946 May. 04, 1948 2.0 Years
11.0 | 2 Ju May. 04, 1948 May. 04, 1951 3.0 Years
12.0 | 2 Ma May. 04, 1951 May. 04, 1955 4.0 Years
13.0 | 2 Me May. 04, 1955 May. 04, 1960 5.0 Years
14.0 | 2 Sa May. 04, 1960 May. 04, 1966 6.0 Years
15.0 | 2 Ve May. 04, 1966 May. 04, 1973 7.0 Years
16.0 | 2 Ra May. 04, 1973 May. 04, 1981 8.0 Years
17.0 | 3 Mo May. 04, 1981 May. 04, 1982 1.0 Years
18.0 | 3 Su May. 04, 1982 May. 03, 1984 2.0 Years
19.0 | 3 Ju May. 03, 1984 May. 04, 1987 3.0 Years
20.0 | 3 Ma May. 04, 1987 May. 04, 1991 4.0 Years
21.0 | 3 Me May. 04, 1991 May. 03, 1996 5.0 Years
22.0 | 3 Sa May. 03, 1996 May. 04, 2002 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