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Template:Sidereal and tropical zodiac dates

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Symbol Constellation Tropical zodiac dates[1] Sidereal zodiac dates[2][3][4]
(Lahiri ayanamsa)
Dates based on 14 equal length sign zodiac used by Schmidt[5][i] Based on IAU boundaries[6]
Aries Mar 21 – Apr 19 April 14 – May 14 April 16 – May 11 Apr 18 – May 13
Cetus[i] May 12 – June 6[i]
[dubiousdiscuss]
Taurus Apr 20 – May 20 May 15 – Jun 15 June 7 – July 2 May 13 – Jun 21
Gemini May 21 – Jun 20 Jun 16 – Jul 16 July 3 – July 28 Jun 21 – Jul 20
Cancer Jun 21 – Jul 22 Jul 17 – Aug 16 July 29 – August 23 Jul 20 – Aug 10
Leo Jul 23 – Aug 22 Aug 17 – Sep 16 August 24 – September 18 Aug 10 – Sep 16
Virgo Aug 23 – Sep 22 Sep 17 – Oct 16 September 19 – October 14 Sep 16 – Oct 30
Libra Sep 23 – Oct 22 Oct 17 – Nov 15 October 15 – November 9 Oct 30 – Nov 23
Scorpio Oct 23 – Nov 21 Nov 16 – Dec 15 November 10 – December 5 Nov 23 – Nov 29
Ophiuchus[ii] December 6 – December 31 Nov 29 – Dec 17
Sagittarius Nov 22– Dec 21 Dec 16 – Jan 14 January 1 – January 26 Dec 17 – Jan 20
Capricorn Dec 22 – Jan 19 Jan 15 – Feb 12 January 27 – February 21 Jan 20 – Feb 16
Aquarius Jan 20 – Feb 18 Feb 13 – Mar 14 February 22 – March 20 Feb 16 – Mar 11
Pisces Feb 19– Mar 20 Mar 15 – Apr 13 March 21 – April 15 Mar 11 – Apr 18
  1. ^ a b c Schmidt (1970) added a Sun sign for Cetus, falling between Aries and Taurus from May 12 – June 6, as well as the more often seen addition of Ophiuchus, q.v. [ii]. However, his symbols for Cetus and Ophiuchus are not the same as the symbols used here. Under the IAU constellation boundaries, the sign of Cetus corresponds to the half of Taurus mostly west of Aldebaran and the Hyades, while the Taurus sign corresponds to the half of Taurus east of Aldebaran and the Hyades.
  2. ^ a b Ophiuchus is not a sign in traditional forms of tropical and sidereal astrology, and only appears in a few forms of astrology which use the nominal constellation boundaries adopted by the IAU.
  1. ^ "Zodiac sign dates: What are the dates for every star sign?". Astrostyle: Astrology and daily, weekly, monthly horoscopes by the AstroTwins. Archived from the original on 7 August 2020. Retrieved 29 July 2020.
  2. ^ "Sidereal astrology explained". masteringthezodiac.com. Retrieved 23 February 2023.
  3. ^ "Western sidereal astrology is real astrology". westernsiderealastrology.wordpress.com. 28 November 2008.
  4. ^ "Free sidereal birth-chart calculator". Cafe Astrology (cafeastrology.com).
  5. ^ Schmidt, Steven (1970). The Astrology 14 Horoscope: Your new Sun sign – how to cast and interpret it (hrdb. ed.). Indianapolis, Ind., US: Bobbs-Merrill Company. pp. 6–8. ISBN 978-067251-3329. LCCN 75123232. OCLC 928769 – via archive.org. 1970: ISBN 0672516470; 1974: ISBN 978-067251-6474
  6. ^ "New astrological sign: Professor finds horoscopes may be a little off-kilter". Los Angeles Times. Times wire reports. 14 January 2011. Archived from the original on 19 January 2011.