Astrology Calculations

This page provides an in-depth look at Bill Irwin'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
Click or Select the link below for changing the report

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 Oct. 27, 1949 Oct. 26, 1956 7.0 Years
2 | 1 Ra Oct. 26, 1956 Oct. 27, 1974 18.0 Years
3 | 1 Ju Oct. 27, 1974 Oct. 27, 1990 16.0 Years
4 | 1 Sa Oct. 27, 1990 Oct. 26, 2009 19.0 Years
5 | 1 Me Oct. 26, 2009 Oct. 26, 2026 17.0 Years
6 | 1 Ke Oct. 26, 2026 Oct. 26, 2033 7.0 Years
7 | 1 Ve Oct. 26, 2033 Oct. 26, 2053 20.0 Years
8 | 1 Su Oct. 26, 2053 Oct. 26, 2059 6.0 Years
9 | 1 Mo Oct. 26, 2059 Oct. 26, 2069 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 Ve Feb. 07, 1949 Feb. 08, 1967 18.0 Years
2.0 | 1 Su Feb. 08, 1967 Feb. 07, 1978 11.0 Years
3.0 | 1 Ma Feb. 07, 1978 Feb. 07, 1990 12.0 Years
4.0 | 1 Ju Feb. 07, 1990 Feb. 07, 2003 13.0 Years
5.0 | 1 Sa Feb. 07, 2003 Feb. 07, 2017 14.0 Years
6.0 | 1 Ke Feb. 07, 2017 Feb. 07, 2032 15.0 Years
7.0 | 1 Mo Feb. 07, 2032 Feb. 07, 2048 16.0 Years
8.0 | 1 Me Feb. 07, 2048 Feb. 06, 2065 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

Dwadasottari Dasha

Birth ascendant navamsha lord should be Venus

In this kundali, Birth ascendant navamsha lord is in Ju.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Ra Apr. 20, 1949 Apr. 19, 1964 15.0 Years
2.0 | 1 Ma Apr. 19, 1964 Apr. 19, 1981 17.0 Years
3.0 | 1 Sa Apr. 19, 1981 Apr. 19, 2000 19.0 Years
4.0 | 1 Mo Apr. 19, 2000 Apr. 19, 2021 21.0 Years
5.0 | 1 Su Apr. 19, 2021 Apr. 19, 2028 7.0 Years
6.0 | 1 Ju Apr. 19, 2028 Apr. 19, 2037 9.0 Years
7.0 | 1 Ke Apr. 19, 2037 Apr. 19, 2048 11.0 Years
8.0 | 1 Me Apr. 19, 2048 Apr. 19, 2061 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 H11.

Maha Dasha

S.No. Period Start End Duration
1 | 1 Ra Jun. 30, 1949 Jun. 30, 1961 12.0 Years
2 | 1 Ve Jun. 30, 1961 Jun. 30, 1982 21.0 Years
3 | 1 Su Jun. 30, 1982 Jun. 29, 1988 6.0 Years
4 | 1 Mo Jun. 29, 1988 Jun. 30, 2003 15.0 Years
5 | 1 Ma Jun. 30, 2003 Jun. 30, 2011 8.0 Years
6 | 1 Me Jun. 30, 2011 Jun. 29, 2028 17.0 Years
7 | 1 Sa Jun. 29, 2028 Jun. 29, 2038 10.0 Years
8 | 1 Ju Jun. 29, 2038 Jun. 29, 2057 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

Panchottari Dasha

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

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

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Ju Feb. 07, 1949 Feb. 08, 1967 18.0 Years
2.0 | 1 Su Feb. 08, 1967 Feb. 08, 1979 12.0 Years
3.0 | 1 Me Feb. 08, 1979 Feb. 08, 1992 13.0 Years
4.0 | 1 Sa Feb. 08, 1992 Feb. 07, 2006 14.0 Years
5.0 | 1 Ma Feb. 07, 2006 Feb. 07, 2021 15.0 Years
6.0 | 1 Ve Feb. 07, 2021 Feb. 07, 2037 16.0 Years
7.0 | 1 Mo Feb. 07, 2037 Feb. 07, 2054 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

Shatabdika Dasha

Birth ascendant should be vargottam.

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

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Ve Aug. 16, 1949 Aug. 17, 1959 10.0 Years
2.0 | 1 Me Aug. 17, 1959 Aug. 16, 1969 10.0 Years
3.0 | 1 Ju Aug. 16, 1969 Aug. 16, 1989 20.0 Years
4.0 | 1 Ma Aug. 16, 1989 Aug. 16, 2009 20.0 Years
5.0 | 1 Sa Aug. 16, 2009 Aug. 16, 2039 30.0 Years
6.0 | 1 Su Aug. 16, 2039 Aug. 15, 2044 5.0 Years
7.0 | 1 Mo Aug. 15, 2044 Aug. 16, 2049 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 (Sa) is located in H10.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Mo Jun. 30, 1949 Jun. 30, 1961 12.0 Years
2.0 | 1 Ma Jun. 30, 1961 Jun. 30, 1973 12.0 Years
3.0 | 1 Me Jun. 30, 1973 Jun. 30, 1985 12.0 Years
4.0 | 1 Ju Jun. 30, 1985 Jun. 29, 1997 12.0 Years
5.0 | 1 Ve Jun. 29, 1997 Jun. 29, 2009 12.0 Years
6.0 | 1 Sa Jun. 29, 2009 Jun. 29, 2021 12.0 Years
7.0 | 1 Su Jun. 29, 2021 Jun. 29, 2033 12.0 Years
8.0 | 2 Mo Jun. 29, 2033 Jun. 29, 2045 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 (Ma) is located in H1, H7 lord (Ma) is located in H1.

Maha Dasha

S.No. Period Start End Duration
1.0 | 1 Ju Sep. 09, 1949 Sep. 09, 1958 9.0 Years
2.0 | 1 Ve Sep. 09, 1958 Sep. 09, 1967 9.0 Years
3.0 | 1 Sa Sep. 09, 1967 Sep. 09, 1976 9.0 Years
4.0 | 1 Ra Sep. 09, 1976 Sep. 09, 1985 9.0 Years
5.0 | 1 Su Sep. 09, 1985 Sep. 09, 1994 9.0 Years
6.0 | 1 Mo Sep. 09, 1994 Sep. 09, 2003 9.0 Years
7.0 | 1 Ma Sep. 09, 2003 Sep. 08, 2012 9.0 Years
8.0 | 1 Me Sep. 08, 2012 Sep. 09, 2021 9.0 Years
9.0 | 2 Ju Sep. 09, 2021 Sep. 09, 2030 9.0 Years
10.0 | 2 Ve Sep. 09, 2030 Sep. 09, 2039 9.0 Years
11.0 | 2 Sa Sep. 09, 2039 Sep. 08, 2048 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 Feb. 22, 1950 Feb. 23, 1956 6.0 Years
2 | 1 Ra Feb. 23, 1956 Feb. 22, 1962 6.0 Years
3 | 1 Ju Feb. 22, 1962 Feb. 23, 1972 10.0 Years
4 | 1 Su Feb. 23, 1972 Feb. 22, 1982 10.0 Years
5 | 1 Ma Feb. 22, 1982 Feb. 22, 1992 10.0 Years
6 | 1 Mo Feb. 22, 1992 Feb. 22, 1998 6.0 Years
7 | 1 Me Feb. 22, 1998 Feb. 22, 2004 6.0 Years
8 | 1 Ve Feb. 22, 2004 Feb. 22, 2010 6.0 Years
9 | 2 Sa Feb. 22, 2010 Feb. 22, 2016 6.0 Years
10 | 2 Ra Feb. 22, 2016 Feb. 22, 2022 6.0 Years
11 | 2 Ju Feb. 22, 2022 Feb. 22, 2032 10.0 Years
12 | 2 Su Feb. 22, 2032 Feb. 22, 2042 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 Feb. 22, 1950 Feb. 23, 1952 2.0 Years
2.0 | 1 Ju Feb. 23, 1952 Feb. 23, 1955 3.0 Years
3.0 | 1 Ma Feb. 23, 1955 Feb. 23, 1959 4.0 Years
4.0 | 1 Me Feb. 23, 1959 Feb. 23, 1964 5.0 Years
5.0 | 1 Sa Feb. 23, 1964 Feb. 22, 1970 6.0 Years
6.0 | 1 Ve Feb. 22, 1970 Feb. 22, 1977 7.0 Years
7.0 | 1 Ra Feb. 22, 1977 Feb. 22, 1985 8.0 Years
8.0 | 1 Mo Feb. 22, 1985 Feb. 22, 1986 1.0 Years
9.0 | 2 Su Feb. 22, 1986 Feb. 23, 1988 2.0 Years
10.0 | 2 Ju Feb. 23, 1988 Feb. 22, 1991 3.0 Years
11.0 | 2 Ma Feb. 22, 1991 Feb. 22, 1995 4.0 Years
12.0 | 2 Me Feb. 22, 1995 Feb. 22, 2000 5.0 Years
13.0 | 2 Sa Feb. 22, 2000 Feb. 22, 2006 6.0 Years
14.0 | 2 Ve Feb. 22, 2006 Feb. 22, 2013 7.0 Years
15.0 | 2 Ra Feb. 22, 2013 Feb. 22, 2021 8.0 Years
16.0 | 2 Mo Feb. 22, 2021 Feb. 22, 2022 1.0 Years
17.0 | 3 Su Feb. 22, 2022 Feb. 22, 2024 2.0 Years
18.0 | 3 Ju Feb. 22, 2024 Feb. 22, 2027 3.0 Years
19.0 | 3 Ma Feb. 22, 2027 Feb. 22, 2031 4.0 Years
20.0 | 3 Me Feb. 22, 2031 Feb. 22, 2036 5.0 Years
21.0 | 3 Sa Feb. 22, 2036 Feb. 22, 2042 6.0 Years
22.0 | 3 Ve Feb. 22, 2042 Feb. 21, 2049 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