自分の星座は何？日付表と12星座の特徴
生年月日から星座を調べましょう。
The 12 zodiac signs and their dates
| Sign | Dates | Element | Planet |
|---|---|---|---|
| Aries ♈ | Mar 21 - Apr 19 | Fire | Mars |
| Taurus ♉ | Apr 20 - May 20 | Earth | Venus |
| Gemini ♊ | May 21 - Jun 20 | Air | Mercury |
| Cancer ♋ | Jun 21 - Jul 22 | Water | Moon |
| Leo ♌ | Jul 23 - Aug 22 | Fire | Sun |
| Virgo ♍ | Aug 23 - Sep 22 | Earth | Mercury |
| Libra ♎ | Sep 23 - Oct 22 | Air | Venus |
| Scorpio ♏ | Oct 23 - Nov 21 | Water | Pluto |
| Sagittarius ♐ | Nov 22 - Dec 21 | Fire | Jupiter |
| Capricorn ♑ | Dec 22 - Jan 19 | Earth | Saturn |
| Aquarius ♒ | Jan 20 - Feb 18 | Air | Uranus |
| Pisces ♓ | Feb 19 - Mar 20 | Water | Neptune |
Find your sign with the NexTools zodiac tool.
The 4 elements: fire, earth, air, and water
Fire (Aries, Leo, Sagittarius): Energy, passion, action. Natural leaders, impulsive, creative.
Earth (Taurus, Virgo, Capricorn): Stability, practicality. Reliable, hardworking.
Air (Gemini, Libra, Aquarius): Intellect, communication. Social, curious, adaptable.
Water (Cancer, Scorpio, Pisces): Emotions, intuition. Empathic, sensitive, perceptive.
Modalities: cardinal, fixed, and mutable
Cardinal (Aries, Cancer, Libra, Capricorn): Initiators. Start things, lead.
Fixed (Taurus, Leo, Scorpio, Aquarius): Stabilizers. Persist, maintain, deepen.
Mutable (Gemini, Virgo, Sagittarius, Pisces): Adapters. Adjust, change, transition.
Check compatibility with the NexTools compatibility tool.
Characteristics of each zodiac sign
Aries: Brave, competitive, impatient.
Taurus: Loyal, patient, possessive.
Gemini: Communicative, curious, dual.
Cancer: Protective, emotional, intuitive.
Leo: Charismatic, generous, dramatic.
Virgo: Analytical, perfectionist, helpful.
Libra: Diplomatic, aesthetic, indecisive.
Scorpio: Intense, perceptive, secretive.
Sagittarius: Adventurous, optimistic, frank.
Capricorn: Ambitious, disciplined, traditional.
Aquarius: Original, independent, humanitarian.
Pisces: Empathic, creative, escapist.
Cusp signs: born between two signs
If born on the exact change day, you're "on the cusp." Astrologically, the Sun is in ONE sign at any moment — no real "mix." However, your Moon or Mercury may be in the adjacent sign, explaining mixed traits.
Calculate your exact sign with the NexTools tool.
Tropical vs sidereal zodiac: why dates differ
Tropical (Western): Based on equinoxes/solstices. Aries starts March 21. Most used in the West.
Sidereal (Vedic): Based on actual constellation positions. ~23 days offset. You might be a different sign.
Ophiuchus ("13th sign"): Astronomically exists but astrology uses 12 signs based on seasons, not constellations.
Zodiac signs in popular culture
Zodiac memes are among the most shared content on Instagram/TikTok. Dating apps (Bumble, Hinge) let you show your sign. In South Korea, asking zodiac sign on first dates is common.
Check your daily horoscope with the NexTools horoscope tool. Calculate exact age with the age calculator.
Astrology and science: what the evidence says
No scientific evidence that planetary positions at birth influence personality. Multiple studies (Carlson 1985, Dean & Kelly 2003) found no correlation. The Barnum effect explains why descriptions feel accurate — they're general enough to apply to anyone.
Why still popular: Astrology offers a narrative framework for self-understanding and relationships. Functions as shared language and introspection tool.
Our position: NexTools offers zodiac tools as entertainment and pop culture. Use for fun, not life decisions.
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How do I know my zodiac sign
Depends on birthdate. Find your birthday in the sign chart. If born on the exact change day, time and location matter. NexTools tells you instantly.
What if I was born on the cusp between two signs
The Sun is in ONE sign at any moment. Other planets (Moon, Mercury, Venus) may be in the adjacent sign, giving the sensation of both signs' traits.
Is there a 13th zodiac sign (Ophiuchus)
Astronomically yes, 13 constellations on the ecliptic. But Western astrology is based on seasons, not constellations, so the 12 signs don't change.
Is astrology scientific
No. Multiple studies found no correlation between zodiac sign and personality. Classified as pseudoscience. However, it's a cultural tradition many find meaningful for introspection.
What's the difference between tropical and sidereal zodiac
Tropical (Western): based on equinoxes. Sidereal (Vedic): based on actual constellations. ~23 days difference. Different sign possible in each system.
Does my sign change every year
No. Your sun sign is permanent, determined by birth date. What changes are current planetary positions (transits), which are the basis of daily/weekly horoscopes.