Birthdays

Born on May 31

Sun sign
Gemini — every year, 1940–2030
Sun degrees
9°09′ Gemini – 10°33′ Gemini · noon UTC, 1940–2030
Decan
first–second decan of Gemini — the 10° line falls inside this date's span (rulers Mercury / Venus)
This year
May 31, 2026: Sun 10°03′ Gemini · Moon in Sagittarius at noon UTC

May closes on a boundary of the quieter kind: May 31 sits where the first decan of Gemini hands over to the second, so your birth year — sometimes your birth hour — decides whether your Sun runs pure Mercury or picks up the Venus tone tradition assigns to the sign’s middle third. No cusp, no sign question; just two cuts of Gemini, and the timing chooses yours.

One sign, two seasonings

On the Mercury side, this is the classic quick study: verbal, restless, question-first. On the Venus side, the same machinery acquires charm as a directive — conversation aimed at delight, curiosity that flirts, the social graces upgraded from feature to purpose. Most May 31 people report living as the blend anyway: a Gemini Sun whose wit consistently lands warmer than wit usually does. Strangers remember the conversation; friends remember being remembered.

Adored company, wandering calendar

In love, both tones agree: connection happens through talk and dies of boredom, not conflict. The Venus lean adds a taste for beauty to the mix — the well-chosen restaurant, the gift with an aesthetic argument — and a stronger need to be liked, which partners can either exploit or protect. Work sits happily where communication meets taste: brand voice, hosting, design-adjacent writing, teaching with flair, the diplomatic end of any trade.

Agreeableness and its costs

The shared friction is approval-seeking wearing charm’s clothes. A May 31 can edit opinions mid-sentence to match the room — Mercury supplies the speed, Venus the motive — and after enough edits the original view goes missing. The growth edge is disagreeing pleasantly, early, in small amounts, and discovering that the room holds. Charm that can say no becomes trustworthy; that’s the upgrade.

May signs off with a Gemini Sun in full stride. Stride toward what is the chart’s clause — houses by the hour, Moon by the minute — and the calculator executes it cleanly.

The date, answered

What zodiac sign is May 31?

Gemini. In every year from 1940 through 2030, the Sun is in Gemini on May 31 — between 9°09′ Gemini and 10°33′ Gemini at noon universal time.

Is May 31 on the cusp?

No. Across 1940–2030 the Sun sits at least 9.2° inside Gemini on May 31, so the sign never changes with the year.

What decan is May 31?

The date straddles the 10° line: depending on your birth year and hour, the Sun falls in the first or second decan of Gemini (traditional rulers Mercury and Venus). A birth chart pins the exact degree.

What degree is the Sun on May 31?

Between 9°09′ Gemini and 10°33′ Gemini at noon universal time, depending on the year — the calendar drifts about a quarter degree per year against the Sun and resets on leap years. Your exact degree needs your birth date, year, and time.

The date gives you the Sun. The rest takes a chart.

Moon, rising, houses, aspects — computed from your exact birth moment, on your device, free.

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