Astrology Calculations

This page provides an in-depth look at Gilbert Tredway'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 Ma Nov. 13, 1921 Nov. 13, 1928 7.0 Years
2 | 1 Ra Nov. 13, 1928 Nov. 13, 1946 18.0 Years
3 | 1 Ju Nov. 13, 1946 Nov. 13, 1962 16.0 Years
4 | 1 Sa Nov. 13, 1962 Nov. 13, 1981 19.0 Years
5 | 1 Me Nov. 13, 1981 Nov. 13, 1998 17.0 Years
6 | 1 Ke Nov. 13, 1998 Nov. 13, 2005 7.0 Years
7 | 1 Ve Nov. 13, 2005 Nov. 12, 2025 20.0 Years
8 | 1 Su Nov. 12, 2025 Nov. 13, 2031 6.0 Years
9 | 1 Mo Nov. 13, 2031 Nov. 12, 2041 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 Krishna Paksha and Moon Hora.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Su May. 08, 1921 May. 07, 1932 11.0 Years
2.0 | 1 Ma May. 07, 1932 May. 07, 1944 12.0 Years
3.0 | 1 Ju May. 07, 1944 May. 07, 1957 13.0 Years
4.0 | 1 Sa May. 07, 1957 May. 08, 1971 14.0 Years
5.0 | 1 Ke May. 08, 1971 May. 07, 1986 15.0 Years
6.0 | 1 Mo May. 07, 1986 May. 07, 2002 16.0 Years
7.0 | 1 Me May. 07, 2002 May. 07, 2019 17.0 Years
8.0 | 1 Ve May. 07, 2019 May. 07, 2037 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 Ve.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Sa Apr. 24, 1920 Apr. 24, 1939 19.0 Years
2.0 | 1 Mo Apr. 24, 1939 Apr. 24, 1960 21.0 Years
3.0 | 1 Su Apr. 24, 1960 Apr. 24, 1967 7.0 Years
4.0 | 1 Ju Apr. 24, 1967 Apr. 23, 1976 9.0 Years
5.0 | 1 Ke Apr. 23, 1976 Apr. 24, 1987 11.0 Years
6.0 | 1 Me Apr. 24, 1987 Apr. 23, 2000 13.0 Years
7.0 | 1 Ra Apr. 23, 2000 Apr. 24, 2015 15.0 Years
8.0 | 1 Ma Apr. 24, 2015 Apr. 23, 2032 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

Ashtottari Dasha

Rahu should be located in either angle or trine except first house.

In this kundali, Rahu is located in H1.

Maha Dasha

S.No. Period Start End Duration
1 | 1 Ve Nov. 14, 1907 Nov. 13, 1928 21.0 Years
2 | 1 Su Nov. 13, 1928 Nov. 13, 1934 6.0 Years
3 | 1 Mo Nov. 13, 1934 Nov. 13, 1949 15.0 Years
4 | 1 Ma Nov. 13, 1949 Nov. 13, 1957 8.0 Years
5 | 1 Me Nov. 13, 1957 Nov. 13, 1974 17.0 Years
6 | 1 Sa Nov. 13, 1974 Nov. 12, 1984 10.0 Years
7 | 1 Ju Nov. 12, 1984 Nov. 13, 2003 19.0 Years
8 | 1 Ra Nov. 13, 2003 Nov. 13, 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

Panchottari Dasha

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

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

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Me Feb. 02, 1921 Feb. 02, 1934 13.0 Years
2.0 | 1 Sa Feb. 02, 1934 Feb. 03, 1948 14.0 Years
3.0 | 1 Ma Feb. 03, 1948 Feb. 02, 1963 15.0 Years
4.0 | 1 Ve Feb. 02, 1963 Feb. 02, 1979 16.0 Years
5.0 | 1 Mo Feb. 02, 1979 Feb. 02, 1996 17.0 Years
6.0 | 1 Ju Feb. 02, 1996 Feb. 02, 2014 18.0 Years
7.0 | 1 Su Feb. 02, 2014 Feb. 01, 2026 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

Shatabdika Dasha

Birth ascendant should be vargottam.

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

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Ma Mar. 07, 1920 Mar. 07, 1940 20.0 Years
2.0 | 1 Sa Mar. 07, 1940 Mar. 08, 1970 30.0 Years
3.0 | 1 Su Mar. 08, 1970 Mar. 08, 1975 5.0 Years
4.0 | 1 Mo Mar. 08, 1975 Mar. 07, 1980 5.0 Years
5.0 | 1 Ve Mar. 07, 1980 Mar. 07, 1990 10.0 Years
6.0 | 1 Me Mar. 07, 1990 Mar. 07, 2000 10.0 Years
7.0 | 1 Ju Mar. 07, 2000 Mar. 07, 2020 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 (Me) is located in H10.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Me Mar. 21, 1921 Mar. 21, 1933 12.0 Years
2.0 | 1 Ju Mar. 21, 1933 Mar. 21, 1945 12.0 Years
3.0 | 1 Ve Mar. 21, 1945 Mar. 21, 1957 12.0 Years
4.0 | 1 Sa Mar. 21, 1957 Mar. 21, 1969 12.0 Years
5.0 | 1 Su Mar. 21, 1969 Mar. 21, 1981 12.0 Years
6.0 | 1 Mo Mar. 21, 1981 Mar. 21, 1993 12.0 Years
7.0 | 1 Ma Mar. 21, 1993 Mar. 21, 2005 12.0 Years
8.0 | 2 Me Mar. 21, 2005 Mar. 21, 2017 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 (Ju) is located in H1, H7 lord (Ju) is located in H1.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Ve Aug. 10, 1921 Aug. 11, 1930 9.0 Years
2.0 | 1 Sa Aug. 11, 1930 Aug. 11, 1939 9.0 Years
3.0 | 1 Ra Aug. 11, 1939 Aug. 10, 1948 9.0 Years
4.0 | 1 Su Aug. 10, 1948 Aug. 10, 1957 9.0 Years
5.0 | 1 Mo Aug. 10, 1957 Aug. 10, 1966 9.0 Years
6.0 | 1 Ma Aug. 10, 1966 Aug. 11, 1975 9.0 Years
7.0 | 1 Me Aug. 11, 1975 Aug. 10, 1984 9.0 Years
8.0 | 1 Ju Aug. 10, 1984 Aug. 10, 1993 9.0 Years
9.0 | 2 Ve Aug. 10, 1993 Aug. 10, 2002 9.0 Years
10.0 | 2 Sa Aug. 10, 2002 Aug. 10, 2011 9.0 Years
11.0 | 2 Ra Aug. 10, 2011 Aug. 09, 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 located in first house (H1).

Maha Dasha

S.No. Period Start End Duration
1 | 1 Su Oct. 20, 1921 Oct. 21, 1931 10.0 Years
2 | 1 Ma Oct. 21, 1931 Oct. 20, 1941 10.0 Years
3 | 1 Mo Oct. 20, 1941 Oct. 21, 1947 6.0 Years
4 | 1 Me Oct. 21, 1947 Oct. 20, 1953 6.0 Years
5 | 1 Ve Oct. 20, 1953 Oct. 21, 1959 6.0 Years
6 | 1 Sa Oct. 21, 1959 Oct. 20, 1965 6.0 Years
7 | 1 Ra Oct. 20, 1965 Oct. 21, 1971 6.0 Years
8 | 1 Ju Oct. 21, 1971 Oct. 20, 1981 10.0 Years
9 | 2 Su Oct. 20, 1981 Oct. 20, 1991 10.0 Years
10 | 2 Ma Oct. 20, 1991 Oct. 20, 2001 10.0 Years
11 | 2 Mo Oct. 20, 2001 Oct. 20, 2007 6.0 Years
12 | 2 Me Oct. 20, 2007 Oct. 20, 2013 6.0 Years
13 | 2 Ve Oct. 20, 2013 Oct. 20, 2019 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 Moon Hora and fall under category of Night Birth.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Ju May. 22, 1922 May. 21, 1925 3.0 Years
2.0 | 1 Ma May. 21, 1925 May. 21, 1929 4.0 Years
3.0 | 1 Me May. 21, 1929 May. 22, 1934 5.0 Years
4.0 | 1 Sa May. 22, 1934 May. 21, 1940 6.0 Years
5.0 | 1 Ve May. 21, 1940 May. 22, 1947 7.0 Years
6.0 | 1 Ra May. 22, 1947 May. 22, 1955 8.0 Years
7.0 | 1 Mo May. 22, 1955 May. 21, 1956 1.0 Years
8.0 | 1 Su May. 21, 1956 May. 21, 1958 2.0 Years
9.0 | 2 Ju May. 21, 1958 May. 21, 1961 3.0 Years
10.0 | 2 Ma May. 21, 1961 May. 21, 1965 4.0 Years
11.0 | 2 Me May. 21, 1965 May. 21, 1970 5.0 Years
12.0 | 2 Sa May. 21, 1970 May. 21, 1976 6.0 Years
13.0 | 2 Ve May. 21, 1976 May. 21, 1983 7.0 Years
14.0 | 2 Ra May. 21, 1983 May. 21, 1991 8.0 Years
15.0 | 2 Mo May. 21, 1991 May. 21, 1992 1.0 Years
16.0 | 2 Su May. 21, 1992 May. 21, 1994 2.0 Years
17.0 | 3 Ju May. 21, 1994 May. 21, 1997 3.0 Years
18.0 | 3 Ma May. 21, 1997 May. 21, 2001 4.0 Years
19.0 | 3 Me May. 21, 2001 May. 21, 2006 5.0 Years
20.0 | 3 Sa May. 21, 2006 May. 20, 2012 6.0 Years
21.0 | 3 Ve May. 20, 2012 May. 21, 2019 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