Astrology Calculations

This page provides an in-depth look at Cotton Davidson'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 Sa Nov. 10, 1917 Nov. 09, 1936 19.0 Years
2 | 1 Me Nov. 09, 1936 Nov. 10, 1953 17.0 Years
3 | 1 Ke Nov. 10, 1953 Nov. 09, 1960 7.0 Years
4 | 1 Ve Nov. 09, 1960 Nov. 09, 1980 20.0 Years
5 | 1 Su Nov. 09, 1980 Nov. 10, 1986 6.0 Years
6 | 1 Mo Nov. 10, 1986 Nov. 09, 1996 10.0 Years
7 | 1 Ma Nov. 09, 1996 Nov. 10, 2003 7.0 Years
8 | 1 Ra Nov. 10, 2003 Nov. 09, 2021 18.0 Years
9 | 1 Ju Nov. 09, 2021 Nov. 09, 2037 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

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 Su Oct. 11, 1923 Oct. 11, 1934 11.0 Years
2.0 | 1 Ma Oct. 11, 1934 Oct. 11, 1946 12.0 Years
3.0 | 1 Ju Oct. 11, 1946 Oct. 11, 1959 13.0 Years
4.0 | 1 Sa Oct. 11, 1959 Oct. 10, 1973 14.0 Years
5.0 | 1 Ke Oct. 10, 1973 Oct. 10, 1988 15.0 Years
6.0 | 1 Mo Oct. 10, 1988 Oct. 10, 2004 16.0 Years
7.0 | 1 Me Oct. 10, 2004 Oct. 10, 2021 17.0 Years
8.0 | 1 Ve Oct. 10, 2021 Oct. 10, 2039 18.0 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 Mo.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Me Apr. 19, 1922 Apr. 19, 1935 13.0 Years
2.0 | 1 Ra Apr. 19, 1935 Apr. 18, 1950 15.0 Years
3.0 | 1 Ma Apr. 18, 1950 Apr. 19, 1967 17.0 Years
4.0 | 1 Sa Apr. 19, 1967 Apr. 18, 1986 19.0 Years
5.0 | 1 Mo Apr. 18, 1986 Apr. 18, 2007 21.0 Years
6.0 | 1 Su Apr. 18, 2007 Apr. 18, 2014 7.0 Years
7.0 | 1 Ju Apr. 18, 2014 Apr. 18, 2023 9.0 Years
8.0 | 1 Ke Apr. 18, 2023 Apr. 18, 2034 11.0 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 H8.

Maha Dasha

S.No. Period Start End Duration
1 | 1 Mo Jul. 08, 1919 Jul. 08, 1934 15.0 Years
2 | 1 Ma Jul. 08, 1934 Jul. 07, 1942 8.0 Years
3 | 1 Me Jul. 07, 1942 Jul. 08, 1959 17.0 Years
4 | 1 Sa Jul. 08, 1959 Jul. 07, 1969 10.0 Years
5 | 1 Ju Jul. 07, 1969 Jul. 07, 1988 19.0 Years
6 | 1 Ra Jul. 07, 1988 Jul. 06, 2000 12.0 Years
7 | 1 Ve Jul. 06, 2000 Jul. 07, 2021 21.0 Years
8 | 1 Su Jul. 07, 2021 Jul. 07, 2027 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

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 Ve Jan. 29, 1920 Jan. 29, 1936 16.0 Years
2.0 | 1 Mo Jan. 29, 1936 Jan. 28, 1953 17.0 Years
3.0 | 1 Ju Jan. 28, 1953 Jan. 29, 1971 18.0 Years
4.0 | 1 Su Jan. 29, 1971 Jan. 29, 1983 12.0 Years
5.0 | 1 Me Jan. 29, 1983 Jan. 29, 1996 13.0 Years
6.0 | 1 Sa Jan. 29, 1996 Jan. 28, 2010 14.0 Years
7.0 | 1 Ma Jan. 28, 2010 Jan. 28, 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

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 Mo Mar. 19, 1928 Mar. 19, 1933 5.0 Years
2.0 | 1 Ve Mar. 19, 1933 Mar. 19, 1943 10.0 Years
3.0 | 1 Me Mar. 19, 1943 Mar. 19, 1953 10.0 Years
4.0 | 1 Ju Mar. 19, 1953 Mar. 19, 1973 20.0 Years
5.0 | 1 Ma Mar. 19, 1973 Mar. 19, 1993 20.0 Years
6.0 | 1 Sa Mar. 19, 1993 Mar. 19, 2023 30.0 Years
7.0 | 1 Su Mar. 19, 2023 Mar. 18, 2028 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 Sa Jan. 14, 1923 Jan. 14, 1935 12.0 Years
2.0 | 1 Su Jan. 14, 1935 Jan. 14, 1947 12.0 Years
3.0 | 1 Mo Jan. 14, 1947 Jan. 14, 1959 12.0 Years
4.0 | 1 Ma Jan. 14, 1959 Jan. 13, 1971 12.0 Years
5.0 | 1 Me Jan. 13, 1971 Jan. 13, 1983 12.0 Years
6.0 | 1 Ju Jan. 13, 1983 Jan. 13, 1995 12.0 Years
7.0 | 1 Ve Jan. 13, 1995 Jan. 13, 2007 12.0 Years
8.0 | 2 Sa Jan. 13, 2007 Jan. 13, 2019 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 Su Apr. 03, 1925 Apr. 03, 1934 9.0 Years
2.0 | 1 Mo Apr. 03, 1934 Apr. 04, 1943 9.0 Years
3.0 | 1 Ma Apr. 04, 1943 Apr. 03, 1952 9.0 Years
4.0 | 1 Me Apr. 03, 1952 Apr. 03, 1961 9.0 Years
5.0 | 1 Ju Apr. 03, 1961 Apr. 03, 1970 9.0 Years
6.0 | 1 Ve Apr. 03, 1970 Apr. 03, 1979 9.0 Years
7.0 | 1 Sa Apr. 03, 1979 Apr. 02, 1988 9.0 Years
8.0 | 1 Ra Apr. 02, 1988 Apr. 03, 1997 9.0 Years
9.0 | 2 Su Apr. 03, 1997 Apr. 03, 2006 9.0 Years
10.0 | 2 Mo Apr. 03, 2006 Apr. 03, 2015 9.0 Years
11.0 | 2 Ma Apr. 03, 2015 Apr. 02, 2024 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 Ma Jul. 07, 1924 Jul. 08, 1934 10.0 Years
2 | 1 Mo Jul. 08, 1934 Jul. 07, 1940 6.0 Years
3 | 1 Me Jul. 07, 1940 Jul. 07, 1946 6.0 Years
4 | 1 Ve Jul. 07, 1946 Jul. 07, 1952 6.0 Years
5 | 1 Sa Jul. 07, 1952 Jul. 07, 1958 6.0 Years
6 | 1 Ra Jul. 07, 1958 Jul. 07, 1964 6.0 Years
7 | 1 Ju Jul. 07, 1964 Jul. 07, 1974 10.0 Years
8 | 1 Su Jul. 07, 1974 Jul. 07, 1984 10.0 Years
9 | 2 Ma Jul. 07, 1984 Jul. 07, 1994 10.0 Years
10 | 2 Mo Jul. 07, 1994 Jul. 06, 2000 6.0 Years
11 | 2 Me Jul. 06, 2000 Jul. 07, 2006 6.0 Years
12 | 2 Ve Jul. 07, 2006 Jul. 06, 2012 6.0 Years
13 | 2 Sa Jul. 06, 2012 Jul. 07, 2018 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 Night Birth.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Sa Jun. 23, 1927 Jun. 22, 1933 6.0 Years
2.0 | 1 Ve Jun. 22, 1933 Jun. 22, 1940 7.0 Years
3.0 | 1 Ra Jun. 22, 1940 Jun. 22, 1948 8.0 Years
4.0 | 1 Mo Jun. 22, 1948 Jun. 22, 1949 1.0 Years
5.0 | 1 Su Jun. 22, 1949 Jun. 22, 1951 2.0 Years
6.0 | 1 Ju Jun. 22, 1951 Jun. 22, 1954 3.0 Years
7.0 | 1 Ma Jun. 22, 1954 Jun. 22, 1958 4.0 Years
8.0 | 1 Me Jun. 22, 1958 Jun. 22, 1963 5.0 Years
9.0 | 2 Sa Jun. 22, 1963 Jun. 22, 1969 6.0 Years
10.0 | 2 Ve Jun. 22, 1969 Jun. 22, 1976 7.0 Years
11.0 | 2 Ra Jun. 22, 1976 Jun. 21, 1984 8.0 Years
12.0 | 2 Mo Jun. 21, 1984 Jun. 22, 1985 1.0 Years
13.0 | 2 Su Jun. 22, 1985 Jun. 22, 1987 2.0 Years
14.0 | 2 Ju Jun. 22, 1987 Jun. 22, 1990 3.0 Years
15.0 | 2 Ma Jun. 22, 1990 Jun. 22, 1994 4.0 Years
16.0 | 2 Me Jun. 22, 1994 Jun. 22, 1999 5.0 Years
17.0 | 3 Sa Jun. 22, 1999 Jun. 22, 2005 6.0 Years
18.0 | 3 Ve Jun. 22, 2005 Jun. 21, 2012 7.0 Years
19.0 | 3 Ra Jun. 21, 2012 Jun. 21, 2020 8.0 Years
20.0 | 3 Mo Jun. 21, 2020 Jun. 21, 2021 1.0 Years
21.0 | 3 Su Jun. 21, 2021 Jun. 22, 2023 2.0 Years
22.0 | 3 Ju Jun. 22, 2023 Jun. 22, 2026 3.0 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