Astrology Calculations

This page provides an in-depth look at Ronald Byrnes'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 Ve Sep. 14, 1942 Sep. 13, 1962 20.0 Years
2 | 1 Su Sep. 13, 1962 Sep. 13, 1968 6.0 Years
3 | 1 Mo Sep. 13, 1968 Sep. 13, 1978 10.0 Years
4 | 1 Ma Sep. 13, 1978 Sep. 13, 1985 7.0 Years
5 | 1 Ra Sep. 13, 1985 Sep. 13, 2003 18.0 Years
6 | 1 Ju Sep. 13, 2003 Sep. 13, 2019 16.0 Years
7 | 1 Sa Sep. 13, 2019 Sep. 13, 2038 19.0 Years
8 | 1 Me Sep. 13, 2038 Sep. 13, 2055 17.0 Years
9 | 1 Ke Sep. 13, 2055 Sep. 13, 2062 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

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 Ke Sep. 21, 1942 Sep. 21, 1957 15.0 Years
2.0 | 1 Mo Sep. 21, 1957 Sep. 21, 1973 16.0 Years
3.0 | 1 Me Sep. 21, 1973 Sep. 21, 1990 17.0 Years
4.0 | 1 Ve Sep. 21, 1990 Sep. 20, 2008 18.0 Years
5.0 | 1 Su Sep. 20, 2008 Sep. 21, 2019 11.0 Years
6.0 | 1 Ma Sep. 21, 2019 Sep. 21, 2031 12.0 Years
7.0 | 1 Ju Sep. 21, 2031 Sep. 20, 2044 13.0 Years
8.0 | 1 Sa Sep. 20, 2044 Sep. 21, 2058 14.0 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 Mo Sep. 12, 1942 Sep. 12, 1963 21.0 Years
2.0 | 1 Su Sep. 12, 1963 Sep. 12, 1970 7.0 Years
3.0 | 1 Ju Sep. 12, 1970 Sep. 12, 1979 9.0 Years
4.0 | 1 Ke Sep. 12, 1979 Sep. 12, 1990 11.0 Years
5.0 | 1 Me Sep. 12, 1990 Sep. 12, 2003 13.0 Years
6.0 | 1 Ra Sep. 12, 2003 Sep. 11, 2018 15.0 Years
7.0 | 1 Ma Sep. 11, 2018 Sep. 12, 2035 17.0 Years
8.0 | 1 Sa Sep. 12, 2035 Sep. 11, 2054 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

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 Sa Apr. 12, 1935 Apr. 11, 1945 10.0 Years
2 | 1 Ju Apr. 11, 1945 Apr. 11, 1964 19.0 Years
3 | 1 Ra Apr. 11, 1964 Apr. 11, 1976 12.0 Years
4 | 1 Ve Apr. 11, 1976 Apr. 11, 1997 21.0 Years
5 | 1 Su Apr. 11, 1997 Apr. 11, 2003 6.0 Years
6 | 1 Mo Apr. 11, 2003 Apr. 11, 2018 15.0 Years
7 | 1 Ma Apr. 11, 2018 Apr. 11, 2026 8.0 Years
8 | 1 Me Apr. 11, 2026 Apr. 11, 2043 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 Cp and same for D1 and D12 charts.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Ma Sep. 21, 1942 Sep. 21, 1957 15.0 Years
2.0 | 1 Ve Sep. 21, 1957 Sep. 21, 1973 16.0 Years
3.0 | 1 Mo Sep. 21, 1973 Sep. 21, 1990 17.0 Years
4.0 | 1 Ju Sep. 21, 1990 Sep. 20, 2008 18.0 Years
5.0 | 1 Su Sep. 20, 2008 Sep. 20, 2020 12.0 Years
6.0 | 1 Me Sep. 20, 2020 Sep. 21, 2033 13.0 Years
7.0 | 1 Sa Sep. 21, 2033 Sep. 21, 2047 14.0 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 Sa Aug. 29, 1942 Aug. 28, 1972 30.0 Years
2.0 | 1 Su Aug. 28, 1972 Aug. 28, 1977 5.0 Years
3.0 | 1 Mo Aug. 28, 1977 Aug. 29, 1982 5.0 Years
4.0 | 1 Ve Aug. 29, 1982 Aug. 28, 1992 10.0 Years
5.0 | 1 Me Aug. 28, 1992 Aug. 28, 2002 10.0 Years
6.0 | 1 Ju Aug. 28, 2002 Aug. 28, 2022 20.0 Years
7.0 | 1 Ma Aug. 28, 2022 Aug. 28, 2042 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

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 Ve Sep. 26, 1942 Sep. 26, 1954 12.0 Years
2.0 | 1 Sa Sep. 26, 1954 Sep. 26, 1966 12.0 Years
3.0 | 1 Su Sep. 26, 1966 Sep. 26, 1978 12.0 Years
4.0 | 1 Mo Sep. 26, 1978 Sep. 26, 1990 12.0 Years
5.0 | 1 Ma Sep. 26, 1990 Sep. 26, 2002 12.0 Years
6.0 | 1 Me Sep. 26, 2002 Sep. 26, 2014 12.0 Years
7.0 | 1 Ju Sep. 26, 2014 Sep. 26, 2026 12.0 Years
8.0 | 2 Ve Sep. 26, 2026 Sep. 25, 2038 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 Mo Oct. 01, 1942 Oct. 01, 1951 9.0 Years
2.0 | 1 Ma Oct. 01, 1951 Sep. 30, 1960 9.0 Years
3.0 | 1 Me Sep. 30, 1960 Sep. 30, 1969 9.0 Years
4.0 | 1 Ju Sep. 30, 1969 Oct. 01, 1978 9.0 Years
5.0 | 1 Ve Oct. 01, 1978 Oct. 01, 1987 9.0 Years
6.0 | 1 Sa Oct. 01, 1987 Sep. 30, 1996 9.0 Years
7.0 | 1 Ra Sep. 30, 1996 Sep. 30, 2005 9.0 Years
8.0 | 1 Su Sep. 30, 2005 Sep. 30, 2014 9.0 Years
9.0 | 2 Mo Sep. 30, 2014 Oct. 01, 2023 9.0 Years
10.0 | 2 Ma Oct. 01, 2023 Sep. 30, 2032 9.0 Years
11.0 | 2 Me Sep. 30, 2032 Sep. 30, 2041 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 Ve Oct. 10, 1942 Oct. 10, 1948 6.0 Years
2 | 1 Sa Oct. 10, 1948 Oct. 10, 1954 6.0 Years
3 | 1 Ra Oct. 10, 1954 Oct. 10, 1960 6.0 Years
4 | 1 Ju Oct. 10, 1960 Oct. 10, 1970 10.0 Years
5 | 1 Su Oct. 10, 1970 Oct. 10, 1980 10.0 Years
6 | 1 Ma Oct. 10, 1980 Oct. 10, 1990 10.0 Years
7 | 1 Mo Oct. 10, 1990 Oct. 09, 1996 6.0 Years
8 | 1 Me Oct. 09, 1996 Oct. 10, 2002 6.0 Years
9 | 2 Ve Oct. 10, 2002 Oct. 09, 2008 6.0 Years
10 | 2 Sa Oct. 09, 2008 Oct. 10, 2014 6.0 Years
11 | 2 Ra Oct. 10, 2014 Oct. 09, 2020 6.0 Years
12 | 2 Ju Oct. 09, 2020 Oct. 10, 2030 10.0 Years
13 | 2 Su Oct. 10, 2030 Oct. 09, 2040 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 Oct. 12, 1942 Oct. 11, 1944 2.0 Years
2.0 | 1 Ju Oct. 11, 1944 Oct. 12, 1947 3.0 Years
3.0 | 1 Ma Oct. 12, 1947 Oct. 12, 1951 4.0 Years
4.0 | 1 Me Oct. 12, 1951 Oct. 11, 1956 5.0 Years
5.0 | 1 Sa Oct. 11, 1956 Oct. 12, 1962 6.0 Years
6.0 | 1 Ve Oct. 12, 1962 Oct. 12, 1969 7.0 Years
7.0 | 1 Ra Oct. 12, 1969 Oct. 11, 1977 8.0 Years
8.0 | 1 Mo Oct. 11, 1977 Oct. 12, 1978 1.0 Years
9.0 | 2 Su Oct. 12, 1978 Oct. 11, 1980 2.0 Years
10.0 | 2 Ju Oct. 11, 1980 Oct. 12, 1983 3.0 Years
11.0 | 2 Ma Oct. 12, 1983 Oct. 12, 1987 4.0 Years
12.0 | 2 Me Oct. 12, 1987 Oct. 11, 1992 5.0 Years
13.0 | 2 Sa Oct. 11, 1992 Oct. 12, 1998 6.0 Years
14.0 | 2 Ve Oct. 12, 1998 Oct. 11, 2005 7.0 Years
15.0 | 2 Ra Oct. 11, 2005 Oct. 11, 2013 8.0 Years
16.0 | 2 Mo Oct. 11, 2013 Oct. 11, 2014 1.0 Years
17.0 | 3 Su Oct. 11, 2014 Oct. 11, 2016 2.0 Years
18.0 | 3 Ju Oct. 11, 2016 Oct. 12, 2019 3.0 Years
19.0 | 3 Ma Oct. 12, 2019 Oct. 12, 2023 4.0 Years
20.0 | 3 Me Oct. 12, 2023 Oct. 11, 2028 5.0 Years
21.0 | 3 Sa Oct. 11, 2028 Oct. 11, 2034 6.0 Years
22.0 | 3 Ve Oct. 11, 2034 Oct. 11, 2041 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