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Zodiac Sign Calculator

Date & Time

Birth date to star sign with dates and elements

Quick Answer

Zodiac Sign Calculator: Birth date to star sign with dates and elements. Aries 3.21–4.19 · Taurus 4.20–5.20 · Gemini 5.21–6.21 · Cancer 6.22–7.22 · Leo 7.23–8.22 · Virgo 8.23–9.22 · Libra 9.23–10.23 · Scorpio 10.24–11.22 · Sagittarius 11.23–12.21 · Capricorn 12.22–1.19 · Aquarius 1.20–2.18 · Pisces 2.19–3.20.

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How to Use

  1. Pick dates or a mode: select start/end dates or switch modes in the Zodiac Sign Calculator.
  2. Instant calculation: results appear immediately with day/week/month equivalents.
  3. Solve both ways: change any field and everything updates — forward or reverse.
  4. Check the context: read the solar-term/holiday/rule notes on this page.

Key Points

  • Zodiac Sign Calculator is a free online date & time tool — open and use, no sign-up.
  • All calculations run locally in your browser; your data never leaves the device.
  • Key capability: Birth date to star sign with dates and elements.
  • Results come with formulas and reference tables so you can verify every number.

Formula & How It Works

Zodiac sign dates (solar calendar)

Aries 3.21–4.19 · Taurus 4.20–5.20 · Gemini 5.21–6.21 · Cancer 6.22–7.22 · Leo 7.23–8.22 · Virgo 8.23–9.22 · Libra 9.23–10.23 · Scorpio 10.24–11.22 · Sagittarius 11.23–12.21 · Capricorn 12.22–1.19 · Aquarius 1.20–2.18 · Pisces 2.19–3.20

Elements: Fire, Earth, Air, Water. Lunar birthdays must be converted to solar first.

FAQ

How do I use the Zodiac Sign Calculator?
Open the page and fill in the input fields — results update automatically. Birth date to star sign with dates and elements.
Are the results accurate?
Yes. Standard formulas and conversion factors are used and verified.
Is it free? Do I need to sign up?
Completely free. No registration, login or download required.
Does it work on mobile?
Yes. The responsive design works on phones, tablets and desktops.
Is my data saved?
No. Everything runs locally in your browser.

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Source & Updates

Based on standard calendar arithmetic. Last updated: 2025-07

Authoritative sources:

Last updated:

Formulas and content on this page are reviewed by the YiJianSuan team. For reference only — official sources prevail.

Cite this page: YiJianSuan. Zodiac Sign Calculator[EB/OL]. https://www.yijiansuan.com/en/c/date/constellation

Results provided by this tool are for reference only and do not constitute professional advice.