♉︎ Taurus / ♊︎ Gemini · Cusp birthday

May 21 zodiac sign

The calculated answerGemini for 82% of May 21 births in Eastern time, Taurus for the rest. From 1940 to 2030, the Sun entered Gemini during May 21 itself in 51 of 91 years; the day was Gemini all day in 40. Your birth time decides it on a change day.

Most May 21 birthdays belong to Gemini, and while Taurus held the start of the day in plenty of years, that stretch has shrunk to the small hours lately.

Check your birth year and time →

Who is which sign, born May 21

Eastern time

Taurus 18%Gemini 82%

Pacific time

Taurus 11%Gemini 89%

Share of all births on May 21, 1940 to 2030, with birth times spread evenly through the day.

A dating app asks for your sign in a dropdown, and May 21 leaves your thumb hovering between Taurus and Gemini. Most sign lists put the start of Gemini on May 21, and that is a good default. Across the decades, the large majority of May 21 births have a Gemini Sun. The doubt comes from the early hours. In many years the Sun made the move during this date, so anyone born before that moment was a Taurus, and in the mid-1900s that could mean a birth well into the afternoon. Born recently, you can almost always pick Gemini and move on.

Born on May 21? Check your sign

When the Sun enters Gemini, year by year

The exact moment for every year from 1940 to 2035, and what that made May 21. Switch the time zone to match where you were born.

May 21 births that are Gemini, by decadeEastern
  • 1940s65%
  • 1950s62%
  • 1960s77%
  • 1970s75%
  • 1980s87%
  • 1990s86%
  • 2000s94%
  • 2010s94%
  • 2020s98%

The rest are Taurus. Leap years move the change back and forth inside a four-year cycle, and the cycle itself drifts slowly earlier on the calendar.

YearSun enters GeminiMay 21 was
203512:43 AM EDTTaurus until 12:43 AM, then Gemini
2034May 20, 6:57 PM EDTGemini all day
2033May 20, 1:10 PM EDTGemini all day
2032May 20, 7:14 AM EDTGemini all day
20311:27 AM EDTTaurus until 1:27 AM, then Gemini
2030May 20, 7:40 PM EDTGemini all day
2029May 20, 1:55 PM EDTGemini all day
2028May 20, 8:09 AM EDTGemini all day
20272:17 AM EDTTaurus until 2:17 AM, then Gemini
2026May 20, 8:37 PM EDTGemini all day
2025May 20, 2:54 PM EDTGemini all day
2024May 20, 8:59 AM EDTGemini all day
20233:08 AM EDTTaurus until 3:08 AM, then Gemini
2022May 20, 9:22 PM EDTGemini all day
2021May 20, 3:36 PM EDTGemini all day
2020May 20, 9:49 AM EDTGemini all day
20193:58 AM EDTTaurus until 3:58 AM, then Gemini
2018May 20, 10:14 PM EDTGemini all day
2017May 20, 4:30 PM EDTGemini all day
2016May 20, 10:36 AM EDTGemini all day
20154:44 AM EDTTaurus until 4:44 AM, then Gemini
2014May 20, 10:59 PM EDTGemini all day
2013May 20, 5:09 PM EDTGemini all day
2012May 20, 11:15 AM EDTGemini all day
20115:20 AM EDTTaurus until 5:20 AM, then Gemini
2010May 20, 11:34 PM EDTGemini all day
2009May 20, 5:51 PM EDTGemini all day
2008May 20, 12:00 PM EDTGemini all day
20076:11 AM EDTTaurus until 6:11 AM, then Gemini
200612:31 AM EDTTaurus until 12:31 AM, then Gemini
2005May 20, 6:47 PM EDTGemini all day
2004May 20, 12:59 PM EDTGemini all day
20037:12 AM EDTTaurus until 7:12 AM, then Gemini
20021:29 AM EDTTaurus until 1:29 AM, then Gemini
2001May 20, 7:44 PM EDTGemini all day
2000May 20, 1:49 PM EDTGemini all day
19997:52 AM EDTTaurus until 7:52 AM, then Gemini
19982:05 AM EDTTaurus until 2:05 AM, then Gemini
1997May 20, 8:18 PM EDTGemini all day
1996May 20, 2:23 PM EDTGemini all day
19958:33 AM EDTTaurus until 8:33 AM, then Gemini
19942:49 AM EDTTaurus until 2:49 AM, then Gemini
1993May 20, 9:01 PM EDTGemini all day
1992May 20, 3:12 PM EDTGemini all day
19919:20 AM EDTTaurus until 9:20 AM, then Gemini
19903:37 AM EDTTaurus until 3:37 AM, then Gemini
1989May 20, 9:53 PM EDTGemini all day
1988May 20, 3:56 PM EDTGemini all day
198710:09 AM EDTTaurus until 10:09 AM, then Gemini
19864:27 AM EDTTaurus until 4:27 AM, then Gemini
1985May 20, 10:42 PM EDTGemini all day
1984May 20, 4:57 PM EDTGemini all day
198311:06 AM EDTTaurus until 11:06 AM, then Gemini
19825:22 AM EDTTaurus until 5:22 AM, then Gemini
1981May 20, 11:39 PM EDTGemini all day
1980May 20, 5:41 PM EDTGemini all day
197911:53 AM EDTTaurus until 11:53 AM, then Gemini
19786:08 AM EDTTaurus until 6:08 AM, then Gemini
197712:14 AM EDTTaurus until 12:14 AM, then Gemini
1976May 20, 6:20 PM EDTGemini all day
197512:23 PM EDTTaurus until 12:23 PM, then Gemini
19746:35 AM EDTTaurus until 6:35 AM, then Gemini
197312:53 AM EDTTaurus until 12:53 AM, then Gemini
1972May 20, 6:59 PM EDTGemini all day
19711:14 PM EDTTaurus until 1:14 PM, then Gemini
19707:37 AM EDTTaurus until 7:37 AM, then Gemini
19691:49 AM GMT-4Taurus until 1:49 AM, then Gemini
1968May 20, 8:05 PM GMT-4Gemini all day
19672:18 PM GMT-4Taurus until 2:18 PM, then Gemini
19668:31 AM GMT-4Taurus until 8:31 AM, then Gemini
19652:50 AM GMT-4Taurus until 2:50 AM, then Gemini
1964May 20, 8:49 PM GMT-4Gemini all day
19632:57 PM GMT-4Taurus until 2:57 PM, then Gemini
19629:16 AM GMT-4Taurus until 9:16 AM, then Gemini
19613:22 AM GMT-4Taurus until 3:22 AM, then Gemini
1960May 20, 9:33 PM GMT-4Gemini all day
19593:41 PM GMT-4Taurus until 3:41 PM, then Gemini
19589:51 AM GMT-4Taurus until 9:51 AM, then Gemini
19574:10 AM GMT-4Taurus until 4:10 AM, then Gemini
1956May 20, 10:12 PM GMT-4Gemini all day
19554:24 PM GMT-4Taurus until 4:24 PM, then Gemini
195410:47 AM GMT-4Taurus until 10:47 AM, then Gemini
19534:52 AM GMT-4Taurus until 4:52 AM, then Gemini
1952May 20, 11:03 PM GMT-4Gemini all day
19515:15 PM GMT-4Taurus until 5:15 PM, then Gemini
195011:27 AM GMT-4Taurus until 11:27 AM, then Gemini
19495:50 AM GMT-4Taurus until 5:50 AM, then Gemini
1948May 20, 11:57 PM GMT-4Gemini all day
19476:09 PM GMT-4Taurus until 6:09 PM, then Gemini
194612:34 PM GMT-4Taurus until 12:34 PM, then Gemini
19456:40 AM GMT-4Taurus until 6:40 AM, then Gemini
194412:50 AM GMT-4Taurus until 12:50 AM, then Gemini
19437:02 PM GMT-4Taurus until 7:02 PM, then Gemini
19421:08 PM GMT-4Taurus until 1:08 PM, then Gemini
19417:23 AM GMT-4Taurus until 7:23 AM, then Gemini
19401:22 AM GMT-4Taurus until 1:22 AM, then Gemini

Times use each zone's own clock rules for that year, including daylight saving and wartime time; where no standard abbreviation existed yet, the offset from Greenwich is shown. Calculated with Astronomy Engine and checked against its own solstice and equinox search. Other almanacs can differ by a minute because of how the slowing of Earth's spin is estimated.

May 21 in the sky

May 21 brings in Gemini, the last sign of spring. Gemini is mutable, and the mutable signs close out each season, loosening things up for whatever comes next. Here that means the final month before the June solstice, when daylight in the Northern Hemisphere is close to its peak and calendars fill with graduations and long weekends. The element changes from earth to air, from what you can hold to what you can say, and the ruler changes from Venus to Mercury, the quick planet of words and errands. It is a busy, talkative stretch of the year, and Gemini fits it well.

Gemini from day one

Gemini begins its run on May 21, and the sign tends to arrive fully formed: a fast mind and a short attention span for anything repetitive. You probably keep more than one version of yourself ready for different rooms, one for work and one for your oldest friends, and none of them is fake. People like you at parties because you can talk to almost anyone about almost anything for ten minutes and leave them feeling clever.

Mercury rules Gemini, which makes your thinking quick and your interests wide. The friction is follow-through. You might sign up for a pottery class and a language app in the same week, then keep whichever has the better group chat. That restlessness is easier to live with when you give it somewhere to go. A rotating list of small projects, each with an end date, suits a Gemini better than one giant goal that has to hold your interest for a year.

May 21 Taurus births

For a May 21 Taurus, the clock has to read early. Taurus only keeps this date from midnight until the Sun crosses into Gemini, and only in years when that crossing lands on May 21. Births from the 1940s and 1950s got the most of it, since the switch often came in the late morning or later in Eastern time. Since 2000 the Taurus part of the day has rarely lasted past the early morning, and on Pacific clocks the day is usually Gemini from the first minute. A Taurus born in those early hours is in the last stretch of the sign, and tends to move through a loud room at an unhurried pace.

Taurus or Gemini: what changes

If you are torn, start with how you rest. A Taurus recharges by staying put, with the same couch and a favorite meal. A Gemini recharges through variety, a new podcast or a walk to a part of town you have not seen, and gets twitchy when every day looks alike. Underneath that sits the switch from earth to air, and from fixed to mutable. Taurus holds on and Gemini adapts. The rulers differ as well. Venus gives Taurus its taste for comfort and beauty, while Mercury gives Gemini its fast, wandering mind and its habit of thinking out loud.

Why a May 21 birthday can feel like both signs

Mercury is the planet to look at if you are a May 21 Gemini who feels a bit Taurus. It rules Gemini, so its sign colors a Gemini Sun more than usual, and on this date Mercury is split almost evenly between Taurus and Gemini. A Gemini with Mercury in Taurus tends to talk more slowly and hold opinions longer. None of this makes you a blend. Your Sun was in one sign at birth, most likely Gemini. Venus ranges from Aries to Cancer. For the Moon sign, which sets your emotional weather, and the rising sign, which is how strangers read you, you need a birth chart.

Mercury on May 21

  • ♉︎ Taurus52%
  • ♊︎ Gemini48%

Venus on May 21

  • ♋︎ Cancer26%
  • ♈︎ Aries25%
  • ♊︎ Gemini24%
  • ♉︎ Taurus24%

Share of people born on May 21, 1940 to 2030, calculated for noon Eastern time. About 52% have Mercury in Taurus.

A May 21 birthday

Greta spends every May 21 on what she calls a city sampler: a different neighborhood each hour, with whoever can keep up. This year it starts with tacos and ends on a ferry, because a stranger at the dock recommended the view. She talks the whole way, switching from her sister's wedding plans to octopus intelligence without a pause. By evening she has two new phone numbers and a plan to learn Portuguese that may not survive to July. Her friends keep coming along because she makes every block feel like news.

Questions people ask

Is May 21 a Taurus or a Gemini?

Gemini for most people. Often the Sun has already entered Gemini by the time May 21 begins in US time. In other years it gets there during the day, lately in the early morning, and only a birth before that moment is Taurus. The Taurus share is bigger for births from the mid-1900s and smaller for West Coast births. Plug your hour into this page's checker if you know it.

What is the Taurus-Gemini cusp called?

In popular birthday books it is the Cusp of Energy, the label they give to late-May birthdays around the Taurus-Gemini change. Astronomically there is nothing between the two signs. The Sun crosses from one to the other at a single moment, and your Sun sign is whichever side you were born on. Any mix you notice is more likely to come from where Mercury or your Moon sits.

Was May 21 more Taurus in the past?

Yes. During the 1940s and 1950s, the change often came on May 21 in the late morning or later in Eastern time, so a good part of the day was Taurus. Since then the change has moved earlier through the leap-year cycle, and from 2000 on the Taurus part of May 21 has rarely gone past the early morning. Your birth year matters as much as your birth hour here.