♊︎May 21 – June 20· Next season begins May 21, 2027 at 06:18 UTC

Gemini and the Restless Mind

Mercury's own sign, the last of spring, and the first of the human signs. Gemini runs on conversation, and it is more consistent than its reputation allows.

Usual dates
May 21 – June 20 (full days)
Sun next enters
May 21, 2027 at 06:18 UTC
Sun leaves
June 21, 2027 at 14:11 UTC
Symbol
The Twins
Element · modality
Air · Mutable
Polarity
Diurnal (masculine)
Ruler
Mercury
Exaltation
None of the seven classical planets
Detriment
Jupiter
Fall
None of the seven classical planets
Triplicity rulers
Saturn by day, Mercury by night, Jupiter participating
Opposite sign
Sagittarius
Body (melothesia)
Shoulders, arms, hands and lungs
Season
Closes spring

Two Minds, One Sign

Mercury rules Gemini, and you can tell. These are people who think fast, talk faster, and get genuinely restless when the conversation gets predictable. The Twins' reputation for being two-faced is mostly unfair. What is actually happening is that Gemini can hold contradictory ideas without short-circuiting, a rare and useful skill that looks suspicious to people who can't do it.

The constellation's twins are Castor and Pollux, brothers in Greek myth, one mortal and one divine, who refused to be separated and shared their fate between them. The symbol is less about duplicity than about pairing: two perspectives held together, a conversation with yourself that never quite ends.

In practice, that shows up as the person who has read about it, has an opinion, knows someone who disagrees, and finds both views interesting.

All of Gemini Season Happens in the Constellation Taurus

From the first day of tropical Gemini to the last, the Sun stands in front of the constellation Taurus. It reaches the stars of the Twins only around June 22, after the solstice, and stays there until late July.

Castor and Pollux themselves now sit in tropical Cancer, near 20° and 23°. Sidereal astrology, which follows the stars, starts Gemini in mid-June, roughly three and a half weeks after the tropical sign.

Jun 1Jun 10Jun 20Jul 1Jul 10Jul 20Tropical signGemini · May 21–Jun 21Sidereal (Lahiri)Gemini · Jun 15–Jul 16ConstellationTaurus · May 21–Jun 21Gemini · Jun 22–Jul 20
Tropical dates follow the equinoxes. Sidereal dates use the Lahiri ayanamsa. Constellation dates use the IAU star-field boundaries. All in UTC.

The next tropical Gemini season runs May 21, 2027 to Jun 21, 2027. Over those days the Sun stands in front of Taurus (May 21–Jun 21). Sidereal Gemini begins Jun 15.

Mercury at Home: Language, Trade and Nerves

Mercury was the messenger and the god of merchants, travelers and thieves, and Gemini inherits the whole portfolio. Language, writing, teaching, buying and selling, short journeys, siblings and neighbors all fall under this sign. Gemini is often the one who knows a little about everything and the right person to ask about anything.

The body tells the same story. Traditional astrology gives Gemini the shoulders, arms, hands and lungs: gesture and breath, the physical machinery of communication. Many Geminis talk with their hands, and many feel stress first as shallow breathing or restlessness rather than as a mood.

Jupiter is in detriment here, which says something useful. Gemini prefers many facts to one grand theory. It is suspicious of big pronouncements and happiest testing them against particulars.

Three Decans of Gemini, From Mercury's Term to Saturn's

Gemini opens in a term of Mercury, the sign ruler, and closes in a term of Saturn. No classical planet is exalted here, so the sign's character comes from its ruler and its divisions rather than from a guest of honor.

The Chaldean faces are Jupiter, Mars and the Sun, which gives each decan a noticeably different temperament. Modern astrologers assign them to the air-sign rulers instead: Mercury, Venus and Uranus.

0°5°10°15°20°25°30°Terms☿︎Mercury 0–6°♃︎Jupiter 6–12°♀︎Venus 12–17°♂︎Mars 17–24°♄︎Saturn 24–30°Decans1st decan · ♃︎ Jupitermodern ruler: MercurySun arrives May 212nd decan · ♂︎ Marsmodern ruler: VenusSun arrives May 313rd decan · ☉︎ Sunmodern ruler: Uranus / SaturnSun arrives Jun 11♊︎ Gemini · 0° to 30°
Egyptian terms and Chaldean decans for Gemini. Decan dates are for the next season, starting 2027, in UTC.

0°–10° Gemini

♃︎ Jupiter face · Mercury (modern) · from May 21

Jupiter, uneasy in Gemini, rules the first decan by face, giving these degrees a broader and more philosophical curiosity than the sign's reputation suggests. Mercury's opening term keeps it quick. First-decan Geminis often collect ideas the way others collect objects.

10°–20° Gemini

♂︎ Mars face · Venus (modern) · from May 31

Mars rules the second decan, and its term runs from 17° to 24°. The wit gets an edge: debate, satire, competitive talk. Modern astrologers give the decan to Venus and stress charm instead. Both readings fit the persuasive middle of the sign.

20°–30° Gemini

☉︎ Sun face · Uranus / Saturn (modern) · from Jun 11

The Sun rules the last decan and Saturn holds the final term. These degrees pair self-expression with structure: the writer who finishes the book, the teacher with a system. Modern rulership gives the decan to Uranus, and the inventive streak is real.

The Mutable Turn at the End of Spring

Each season closes with a mutable sign, and Gemini closes spring. The growth of Aries and the settling of Taurus are done; Gemini scatters seed and pollen and gets ready for the next phase. Mutable signs are adapters by design, at their best in transitions and at their worst when asked to stand still.

As a mutable air sign, Gemini adjusts to new rooms, new people and new ideas faster than anyone in the zodiac. It reads a social situation in seconds and switches register to match. The same agility makes it easily bored, and boredom, for Gemini, is close to physical discomfort.

Uranus Enters Gemini for the First Time Since the 1940s

Uranus first crossed into Gemini on July 7, 2025, backed into Taurus on November 8, and returned on April 26, 2026. It stays until August 2032, dips back from December 2032 to May 2033, then moves on. Its previous Gemini years were 1941 to 1949, and many astrologers associate the sign with communication technology, so this transit is watched closely.

Jupiter, in detriment here, passed through from May 2024 to June 2025. Saturn returns from 2030 to 2032. Neptune last left Gemini in 1902 and comes back in 2051; Pluto left in 1914 and will not return this century.

190019251950197520002025205020752100♃︎ Jupiter♄︎ Saturn♅︎ Uranus♆︎ Neptune♇︎ Plutotoday
Each bar is a stretch of time the planet spent in Gemini. Gaps inside a visit are retrograde loops back into the neighboring sign.
PlanetPrevious visitIn Gemini nowNext visit
♃︎ JupiterMay 2024 – Jun 2025NoMay 2036 – May 2037
♄︎ SaturnAug 2000 – Jun 2003NoJun 2030 – Jul 2032
♅︎ UranusAug 1941 – Jun 1949Jul 2025 – May 2033—
♆︎ Neptunebefore 1900 – May 1902NoJul 2051 – May 2066
♇︎ Plutobefore 1900 – May 1914No—

Visits run from first entry to final exit, including retrograde dips back into the previous sign.

Gemini's Allies, Rivals and Opposites

Gemini clicks fastest with the other air signs and with the fire signs a sextile away. Its squares are the other mutable signs, which change direction as readily as it does, just not in the same direction.

♈︎♉︎♊︎♋︎♌︎♍︎♎︎♏︎♐︎♑︎♒︎♓︎
Trine (same element)SextileSquareOppositeQuincunxSemi-sextile

Libra and Aquarius· Trine (same element)

Libra and Aquarius share Gemini's air and its appetite for ideas. Libra brings grace and attentiveness; Aquarius brings a cause and conversations that run past midnight. Easy pairings, occasionally too cerebral to notice when feelings need tending.

Aries and Leo· Sextile

Aries matches Gemini's speed and Leo gives it an audience and a reason to perform. These are lively, playful matches, best when Gemini's restlessness reads as fun rather than unreliability.

Gemini with Gemini· Same sign

Two Geminis never run out of things to say. The question is whether either slows down long enough to hear what the other means. Excellent for friendship, travel and work that rewards fast pivots.

Sagittarius· Opposite

Sagittarius sits across the axis: Gemini gathers facts, Sagittarius looks for meaning. Each finds the other fascinating and occasionally maddening. It works when Gemini's questions meet Sagittarius' big answers halfway.

Virgo and Pisces· Square

Virgo shares Gemini's ruler but wants precision where Gemini wants variety; Pisces trades in feeling where Gemini trades in words. Neither pairing is easy, and both are often where Gemini grows up.

Scorpio and Capricorn· Quincunx

Scorpio wants depth and privacy; Capricorn wants a plan and patience. Gemini rarely volunteers either. These pairings ask it to commit to one thread and follow it, and they can be transformative when it does.

Taurus and Cancer· Semi-sextile

Taurus, just behind, slows Gemini down; Cancer, just ahead, asks it to feel what it is talking about. Neither shares its element, but each supplies ballast the sign lacks.

Sun signs are a first read. For two real people, compare whole charts with the synastry calculator.

Going Deep Without Going Still

The genuine weakness is depth. Gemini can skim across twelve fascinating topics in an afternoon and go deep on none of them. The ones who figure out how to stay with a subject, or a person, long enough to get past the surface become genuinely formidable: writers, analysts, translators and teachers who make hard things clear.

In love, Gemini needs to be talked to. Attraction runs through the mind first, and silence or predictability reads as distance. It is loyal in its own way, staying for the conversation as long as the conversation stays alive, and the partners who last are the ones who keep surprising it.

The Sun's Entry Into Gemini, Year by Year

Gemini starts when the Sun reaches 60° of ecliptic longitude, two signs past the equinox. In UTC that happens on May 20 or 21, with May 20 slightly more common in recent decades and May 21 more common earlier in the twentieth century.

Birthdays on May 20, 21 or 22 are the ones that need checking. Find your year and compare the time with your birth time, or switch the table to your own timezone.

Across 1930–2040, the earliest start was May 20, 2040 at 09:56 UTC and the latest was May 22, 1931 at 01:15 UTC.

Times shown in
Exact moment the Sun entered Gemini each year, 1930 to 2040
Decade…0…1…2…3…4…5…6…7…8…9
1930s1930: May 21, 19:421931: May 22, 01:151932: May 21, 07:071933: May 21, 12:571934: May 21, 18:351935: May 22, 00:251936: May 21, 06:071937: May 21, 11:571938: May 21, 17:501939: May 21, 23:27
1940s1940: May 21, 05:231941: May 21, 11:231942: May 21, 17:091943: May 21, 23:031944: May 21, 04:511945: May 21, 10:401946: May 21, 16:341947: May 21, 22:091948: May 21, 03:581949: May 21, 09:51
1950s1950: May 21, 15:271951: May 21, 21:151952: May 21, 03:041953: May 21, 08:531954: May 21, 14:471955: May 21, 20:241956: May 21, 02:131957: May 21, 08:101958: May 21, 13:511959: May 21, 19:42
1960s1960: May 21, 01:331961: May 21, 07:221962: May 21, 13:161963: May 21, 18:581964: May 21, 00:501965: May 21, 06:501966: May 21, 12:321967: May 21, 18:181968: May 21, 00:061969: May 21, 05:50
1970s1970: May 21, 11:371971: May 21, 17:151972: May 20, 22:591973: May 21, 04:541974: May 21, 10:361975: May 21, 16:241976: May 20, 22:211977: May 21, 04:141978: May 21, 10:081979: May 21, 15:54
1980s1980: May 20, 21:421981: May 21, 03:391982: May 21, 09:231983: May 21, 15:061984: May 20, 20:581985: May 21, 02:431986: May 21, 08:281987: May 21, 14:101988: May 20, 19:571989: May 21, 01:54
1990s1990: May 21, 07:371991: May 21, 13:201992: May 20, 19:121993: May 21, 01:021994: May 21, 06:481995: May 21, 12:341996: May 20, 18:231997: May 21, 00:181998: May 21, 06:051999: May 21, 11:52
2000s2000: May 20, 17:492001: May 20, 23:442002: May 21, 05:292003: May 21, 11:122004: May 20, 16:592005: May 20, 22:472006: May 21, 04:322007: May 21, 10:122008: May 20, 16:012009: May 20, 21:51
2010s2010: May 21, 03:342011: May 21, 09:212012: May 20, 15:162013: May 20, 21:102014: May 21, 02:592015: May 21, 08:452016: May 20, 14:362017: May 20, 20:312018: May 21, 02:152019: May 21, 07:59
2020s2020: May 20, 13:492021: May 20, 19:372022: May 21, 01:232023: May 21, 07:092024: May 20, 13:002025: May 20, 18:552026: May 21, 00:372027: May 21, 06:182028: May 20, 12:102029: May 20, 17:56
2030s2030: May 20, 23:412031: May 21, 05:282032: May 20, 11:152033: May 20, 17:112034: May 20, 22:572035: May 21, 04:432036: May 20, 10:452037: May 20, 16:352038: May 20, 22:232039: May 21, 04:11
2040s2040: May 20, 09:56

What People Ask About Gemini

What are the Gemini dates?

Gemini runs from about May 20 or 21 to June 20 or 21, ending at the June solstice when the Sun enters Cancer. The exact start time for every year from 1930 to 2040 is in the table above.

What planet rules Gemini?

Mercury rules Gemini, as it also rules Virgo. No classical planet is exalted in Gemini, and Jupiter is in detriment here because Gemini is opposite Jupiter's sign, Sagittarius.

Are Geminis two-faced?

The symbol is the twins Castor and Pollux, who shared one fate, not a liar with two stories. Gemini's real trait is holding two viewpoints at once, which can look inconsistent from outside but usually reflects genuine curiosity.

Why is the Sun in the constellation Taurus during Gemini season?

The tropical zodiac is tied to the equinoxes, which have drifted about 24 degrees against the stars since the zodiac was defined. As a result, the whole of tropical Gemini season falls while the Sun is in front of the constellation Taurus.

When is Uranus in Gemini?

Uranus is in Gemini now. This visit runs from July 7, 2025 to May 22, 2033, apart from a return to Taurus between November 8, 2025 and April 26, 2026 and an early step into Cancer between August 3, 2032 and December 12, 2032. Before this, Uranus was last in Gemini from 1941 to 1949. It does not return before 2100.

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