Tradition

June 18 Zodiac Sign

Tradition: Western astrology. A tradition, not a forecast. Astrologers read it this way; the evidence does not.

By Suraj Giri

June 18 is Gemini on the dates most calendars use (May 21 to June 20). From 1950 to 2029, every birth hour on June 18 in US Eastern time fell in Gemini.

Check a June 18 Gemini against any sign

June 18 zodiac compatibility

By this site's zodiac points method, a June 18 Gemini scores highest with Libra and Aquarius, a strong match at 8 of 8 points, then Aries and Leo, a good match at 5 of 8.

PairVerdictPointsAspect
Gemini and Librastrong match8 of 8trine
Gemini and Aquariusstrong match8 of 8trine
Aries and Geminigood match5 of 8sextile
Gemini and Leogood match5 of 8sextile

who a June 18 Gemini is compatible with

Today's Gemini love horoscope

Have your partner's birthday? Compare June 18 with your partner's birthday.

Scores come from this site's zodiac points method (formula 1.1), reviewed by Jahben R., astrologer, on 2026-09-23. How it works is on the methodology page.

Gemini at a glance for a June 18 birthday

  • Element: air
  • Modality: mutable
  • Ruler: Mercury
  • Position: day 29 of 31 of Gemini
  • Next sign: Cancer, from June 21
  • The Sun, 1950 to 2029 (US Eastern time): 26.1 to 28.4 degrees of Gemini

June 18 decan (Tradition)

In the triplicity system of decans, a tradition, June 18 falls in the third decan of Gemini (20 to 30 degrees), ruled by Uranus (traditionally Saturn).

The older Chaldean system of decans assigns different rulers.

Famous people born on June 18

  • Paul McCartney, musician, born 1942
  • Lech Kaczyński, politician, born 1949
  • Thabo Mbeki, politician, born 1942
  • Kaja Kallas, politician, born 1977
  • Roger Ebert, screenwriter, born 1942

Birth dates from Wikidata (CC0), fetched 2026-09-26.

A note on June 18 birthdays

Libra and Aquarius sit as Gemini's easiest matches, each a trine worth 8 under this site's points method, and Aries or Leo still manage a workable sextile at 5. Between 26.1 and 28.4 degrees, June 18 marks the sign's twenty-ninth of thirty-one days, sub-ruled by Aquarius, third decan for Gemini, in the triplicity system of decans. Mercury, Gemini's own ruler, colors the sign's affection with talk and ideas, the tradition says, favoring a partner who likes real conversation.

Questions people ask

What zodiac sign is June 18?
Gemini. June 18 falls in Gemini's dates on most calendars, May 21 to June 20, as day 29 of 31 of Gemini.
Who is a June 18 Gemini most compatible with?
By this site's zodiac points method, a June 18 Gemini scores highest with Libra and Aquarius (a strong match, 8 of 8 points), then Aries and Leo (a good match, 5 of 8).
Does the birth year change the zodiac sign for June 18?
Not from 1950 to 2029 in US Eastern time: June 18 was Gemini for every birth hour in all 80 years. For other years or time zones, use the calculator on the zodiac sign dates page.

Birthdays around June 18

Sources