Date of birth (current step)
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About this page
- The twelve signs are grouped by element into fire, earth, air and water, and by mode into cardinal, fixed and mutable.
- The date the Sun enters each sign shifts by about 1 day from year to year, so for a birth on a cusp day the time of birth decides the sign.
- Your sun sign is only one part of a birth chart. Your rising and moon signs depend on your time and place of birth.
The readings on this page are traditional, for entertainment only, and not a basis for decisions.
Zodiac sign dates
| Sign | Usual dates | Element | Mode | Ruling planet |
|---|---|---|---|---|
| Aries | March 20 – April 19 | Fire | Cardinal | Mars |
| Taurus | April 20 – May 20 | Earth | Fixed | Venus |
| Gemini | May 21 – June 20 | Air | Mutable | Mercury |
| Cancer | June 21 – July 21 | Water | Cardinal | Moon |
| Leo | July 22 – August 22 | Fire | Fixed | Sun |
| Virgo | August 23 – September 22 | Earth | Mutable | Mercury |
| Libra | September 23 – October 22 | Air | Cardinal | Venus |
| Scorpio | October 23 – November 21 | Water | Fixed | Mars, Pluto |
| Sagittarius | November 22 – December 20 | Fire | Mutable | Jupiter |
| Capricorn | December 21 – January 19 | Earth | Cardinal | Saturn |
| Aquarius | January 20 – February 17 | Air | Fixed | Saturn, Uranus |
| Pisces | February 18 – March 19 | Water | Mutable | Jupiter, Neptune |
How it is calculated
- Your sun sign depends on the Sun's apparent ecliptic longitude at birth: each sign is 30 degrees, starting from the March equinox (0 degrees Aries).
- The moment the Sun enters each sign is calculated with Astronomy Engine for each year. On a cusp day, the sign depends on that moment, shown in your browser's time zone.
- The zodiac sign dates table gives the most common date the Sun entered each sign in 1950–2020, in this region's standard time. In some years the date differs by 1 day.
- All calculations are done in your browser. The birth details you enter are not sent to any server and are saved only in this browser.
Sources
- Astronomy Engine: Library for calculating the positions of the Sun, Moon and planets (MIT licence)
- NASA JPL: Horizons System (used to check the planetary positions on this page)
Last reviewed on October 31, 2026.