Astrology Calculations

This page provides an in-depth look at Roger Chaffee'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 Sun Hora.

Maha Dasha

S.No. Period Start End Duration
1 | 1 Ju Jun. 26, 1924 Jun. 26, 1940 16.0 Years
2 | 1 Sa Jun. 26, 1940 Jun. 27, 1959 19.0 Years
3 | 1 Me Jun. 27, 1959 Jun. 26, 1976 17.0 Years
4 | 1 Ke Jun. 26, 1976 Jun. 27, 1983 7.0 Years
5 | 1 Ve Jun. 27, 1983 Jun. 26, 2003 20.0 Years
6 | 1 Su Jun. 26, 2003 Jun. 26, 2009 6.0 Years
7 | 1 Mo Jun. 26, 2009 Jun. 26, 2019 10.0 Years
8 | 1 Ma Jun. 26, 2019 Jun. 26, 2026 7.0 Years
9 | 1 Ra Jun. 26, 2026 Jun. 25, 2044 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

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 Sun Hora.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Ju Jun. 25, 1926 Jun. 25, 1939 13.0 Years
2.0 | 1 Sa Jun. 25, 1939 Jun. 24, 1953 14.0 Years
3.0 | 1 Ke Jun. 24, 1953 Jun. 24, 1968 15.0 Years
4.0 | 1 Mo Jun. 24, 1968 Jun. 24, 1984 16.0 Years
5.0 | 1 Me Jun. 24, 1984 Jun. 24, 2001 17.0 Years
6.0 | 1 Ve Jun. 24, 2001 Jun. 24, 2019 18.0 Years
7.0 | 1 Su Jun. 24, 2019 Jun. 24, 2030 11.0 Years
8.0 | 1 Ma Jun. 24, 2030 Jun. 24, 2042 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

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 Ra Feb. 24, 1925 Feb. 25, 1940 15.0 Years
2.0 | 1 Ma Feb. 25, 1940 Feb. 24, 1957 17.0 Years
3.0 | 1 Sa Feb. 24, 1957 Feb. 24, 1976 19.0 Years
4.0 | 1 Mo Feb. 24, 1976 Feb. 24, 1997 21.0 Years
5.0 | 1 Su Feb. 24, 1997 Feb. 24, 2004 7.0 Years
6.0 | 1 Ju Feb. 24, 2004 Feb. 23, 2013 9.0 Years
7.0 | 1 Ke Feb. 23, 2013 Feb. 24, 2024 11.0 Years
8.0 | 1 Me Feb. 24, 2024 Feb. 23, 2037 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 H3.

Maha Dasha

S.No. Period Start End Duration
1 | 1 Mo Feb. 24, 1925 Feb. 25, 1940 15.0 Years
2 | 1 Ma Feb. 25, 1940 Feb. 25, 1948 8.0 Years
3 | 1 Me Feb. 25, 1948 Feb. 24, 1965 17.0 Years
4 | 1 Sa Feb. 24, 1965 Feb. 24, 1975 10.0 Years
5 | 1 Ju Feb. 24, 1975 Feb. 24, 1994 19.0 Years
6 | 1 Ra Feb. 24, 1994 Feb. 24, 2006 12.0 Years
7 | 1 Ve Feb. 24, 2006 Feb. 24, 2027 21.0 Years
8 | 1 Su Feb. 24, 2027 Feb. 23, 2033 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 Sc and same for D1 and D12 charts.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Ma Feb. 24, 1925 Feb. 25, 1940 15.0 Years
2.0 | 1 Ve Feb. 25, 1940 Feb. 25, 1956 16.0 Years
3.0 | 1 Mo Feb. 25, 1956 Feb. 24, 1973 17.0 Years
4.0 | 1 Ju Feb. 24, 1973 Feb. 24, 1991 18.0 Years
5.0 | 1 Su Feb. 24, 1991 Feb. 24, 2003 12.0 Years
6.0 | 1 Me Feb. 24, 2003 Feb. 24, 2016 13.0 Years
7.0 | 1 Sa Feb. 24, 2016 Feb. 24, 2030 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 (Sc) is vargottam.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Su Oct. 19, 1931 Oct. 19, 1936 5.0 Years
2.0 | 1 Mo Oct. 19, 1936 Oct. 19, 1941 5.0 Years
3.0 | 1 Ve Oct. 19, 1941 Oct. 19, 1951 10.0 Years
4.0 | 1 Me Oct. 19, 1951 Oct. 19, 1961 10.0 Years
5.0 | 1 Ju Oct. 19, 1961 Oct. 19, 1981 20.0 Years
6.0 | 1 Ma Oct. 19, 1981 Oct. 18, 2001 20.0 Years
7.0 | 1 Sa Oct. 18, 2001 Oct. 19, 2031 30.0 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 (Su) is located in H10.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Ve Feb. 23, 1927 Feb. 23, 1939 12.0 Years
2.0 | 1 Sa Feb. 23, 1939 Feb. 22, 1951 12.0 Years
3.0 | 1 Su Feb. 22, 1951 Feb. 22, 1963 12.0 Years
4.0 | 1 Mo Feb. 22, 1963 Feb. 22, 1975 12.0 Years
5.0 | 1 Ma Feb. 22, 1975 Feb. 22, 1987 12.0 Years
6.0 | 1 Me Feb. 22, 1987 Feb. 22, 1999 12.0 Years
7.0 | 1 Ju Feb. 22, 1999 Feb. 22, 2011 12.0 Years
8.0 | 2 Ve Feb. 22, 2011 Feb. 22, 2023 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 (Ve) is located in H1, H7 lord (Ve) is located in H1.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Ra Feb. 20, 1929 Feb. 20, 1938 9.0 Years
2.0 | 1 Su Feb. 20, 1938 Feb. 20, 1947 9.0 Years
3.0 | 1 Mo Feb. 20, 1947 Feb. 21, 1956 9.0 Years
4.0 | 1 Ma Feb. 21, 1956 Feb. 20, 1965 9.0 Years
5.0 | 1 Me Feb. 20, 1965 Feb. 20, 1974 9.0 Years
6.0 | 1 Ju Feb. 20, 1974 Feb. 20, 1983 9.0 Years
7.0 | 1 Ve Feb. 20, 1983 Feb. 20, 1992 9.0 Years
8.0 | 1 Sa Feb. 20, 1992 Feb. 20, 2001 9.0 Years
9.0 | 2 Ra Feb. 20, 2001 Feb. 20, 2010 9.0 Years
10.0 | 2 Su Feb. 20, 2010 Feb. 20, 2019 9.0 Years
11.0 | 2 Mo Feb. 20, 2019 Feb. 20, 2028 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 Su Jun. 18, 1933 Jun. 18, 1943 10.0 Years
2 | 1 Ma Jun. 18, 1943 Jun. 17, 1953 10.0 Years
3 | 1 Mo Jun. 17, 1953 Jun. 18, 1959 6.0 Years
4 | 1 Me Jun. 18, 1959 Jun. 17, 1965 6.0 Years
5 | 1 Ve Jun. 17, 1965 Jun. 18, 1971 6.0 Years
6 | 1 Sa Jun. 18, 1971 Jun. 17, 1977 6.0 Years
7 | 1 Ra Jun. 17, 1977 Jun. 18, 1983 6.0 Years
8 | 1 Ju Jun. 18, 1983 Jun. 17, 1993 10.0 Years
9 | 2 Su Jun. 17, 1993 Jun. 17, 2003 10.0 Years
10 | 2 Ma Jun. 17, 2003 Jun. 17, 2013 10.0 Years
11 | 2 Mo Jun. 17, 2013 Jun. 17, 2019 6.0 Years
12 | 2 Me Jun. 17, 2019 Jun. 17, 2025 6.0 Years
13 | 2 Ve Jun. 17, 2025 Jun. 17, 2031 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 Me Oct. 19, 1931 Oct. 19, 1936 5.0 Years
2.0 | 1 Sa Oct. 19, 1936 Oct. 19, 1942 6.0 Years
3.0 | 1 Ve Oct. 19, 1942 Oct. 19, 1949 7.0 Years
4.0 | 1 Ra Oct. 19, 1949 Oct. 19, 1957 8.0 Years
5.0 | 1 Mo Oct. 19, 1957 Oct. 19, 1958 1.0 Years
6.0 | 1 Su Oct. 19, 1958 Oct. 18, 1960 2.0 Years
7.0 | 1 Ju Oct. 18, 1960 Oct. 19, 1963 3.0 Years
8.0 | 1 Ma Oct. 19, 1963 Oct. 19, 1967 4.0 Years
9.0 | 2 Me Oct. 19, 1967 Oct. 18, 1972 5.0 Years
10.0 | 2 Sa Oct. 18, 1972 Oct. 19, 1978 6.0 Years
11.0 | 2 Ve Oct. 19, 1978 Oct. 19, 1985 7.0 Years
12.0 | 2 Ra Oct. 19, 1985 Oct. 18, 1993 8.0 Years
13.0 | 2 Mo Oct. 18, 1993 Oct. 19, 1994 1.0 Years
14.0 | 2 Su Oct. 19, 1994 Oct. 18, 1996 2.0 Years
15.0 | 2 Ju Oct. 18, 1996 Oct. 19, 1999 3.0 Years
16.0 | 2 Ma Oct. 19, 1999 Oct. 19, 2003 4.0 Years
17.0 | 3 Me Oct. 19, 2003 Oct. 18, 2008 5.0 Years
18.0 | 3 Sa Oct. 18, 2008 Oct. 18, 2014 6.0 Years
19.0 | 3 Ve Oct. 18, 2014 Oct. 18, 2021 7.0 Years
20.0 | 3 Ra Oct. 18, 2021 Oct. 18, 2029 8.0 Years
21.0 | 3 Mo Oct. 18, 2029 Oct. 18, 2030 1.0 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