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November 21 Birthday

Zodiac sign, birthstone, birth flower, numerology, and real history for November 21.

Zodiac Sign

Scorpio

Cusp date — some sources place this day in Sagittarius.

Birthstone

Citrine, Topaz

Birth Flower

Chrysanthemum

Numerology Day Number

3

Famous Birthdays on November 21

  • Voltaire (1694)

    French Enlightenment writer and philosopher known for Candide and his advocacy of civil liberties and freedom of expression.

  • René Magritte (1898)

    Belgian surrealist painter known for works including The Son of Man and The Treachery of Images.

  • Goldie Hawn (1945)

    American actress and Academy Award winner known for Private Benjamin and Laugh-In.

  • Björk (1965)

    Icelandic singer-songwriter known for genre-spanning albums including Homogenic and Vespertine.

This Day in History

  • 1877Thomas Edison publicly announced his invention of the phonograph, the first device capable of both recording and reproducing sound.

  • 1969The first permanent ARPANET link was established between UCLA and Stanford Research Institute, a foundational step toward the modern internet.

  • 1990The Charter of Paris for a New Europe was signed, a landmark declaration formally marking the end of the Cold War in Europe.

What November 21 Says About You

November 21 sits directly on the boundary between two zodiac signs, and the honest answer about which one governs it depends on which source you check: most tropical zodiac conventions still place November 21 within Scorpio, right at the tail end of its range, while a smaller number of calendars shift the Scorpio–Sagittarius boundary a day earlier and count it as the very first day of Sagittarius. This site follows the more common convention and lists November 21 as Scorpio, but flags it honestly as a cusp date rather than pretending the one-day variance between sources doesn't exist. That boundary-straddling quality fits the date's own historical record unusually well, since several of its defining anniversaries are themselves about connecting two previously separate things. Thomas Edison announced the phonograph on this date in 1877, a machine that, for the first time, connected the physical vibration of a voice to a durable, replayable recording — bridging the gap between a fleeting moment and a lasting record of it. Ninety-two years later, in 1969, the first permanent ARPANET link was switched on between UCLA and Stanford Research Institute, joining two separate computers into a single network in a connection that would eventually grow into the modern internet. And in 1990, the Charter of Paris for a New Europe formally bridged the political gap that the Cold War had maintained for decades, marking its practical end. A date defined by connection and by sitting exactly at a boundary works well for readers born on either interpretation of the sign split. The 21st works out numerologically to day number 3 (2+1=3), a figure tied to expression, communication, and creative connection between people, which suits Voltaire, born on this date in 1694, whose entire career was built on using written words to connect and challenge public opinion across an entire society. René Magritte, born in 1898, spent his career painting images that deliberately blurred the boundary between what's real and what's represented, an artistic project that mirrors this date's own habit of sitting on borders rather than settling cleanly on one side. Björk has spent decades connecting genres — classical, electronic, pop, experimental — that most other artists keep separate. Goldie Hawn, born in 1945, built an entire second-act producing career bridging her earlier comedic stardom with more serious dramatic and behind-the-camera work, another instance of this date's recurring habit of joining together things usually kept apart. November's chrysanthemum and topaz remain constant regardless of which sign a November 21 birthday claims, a small point of stability on a date whose bigger picture is otherwise defined by boundaries and the things that cross them.

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Shop Citrine birthstone gifts

Genuinely useful gift ideas for a November birthday — pick real citrine (not glass or dyed imitation) and things that keep.

Citrine stud earrings or pendant

A classic, wearable-every-day option — look for genuine citrine (not glass or dyed imitation) in sterling silver or gold vermeil settings.

Engraved birth-month jewelry dish or keepsake box

A small tray or box engraved with the birth month or date — practical, keepable, and works for any age.

Birth-flower botanical print

A framed print of that month's birth flower makes a low-cost, genuinely personal gift that pairs well with a birthstone piece.

Personalized birth-date star map or calendar print

A print showing the night sky or a custom calendar page for the exact date — a distinct, non-jewelry option for the same occasion.

Frequently Asked Questions

Is November 21 Scorpio or Sagittarius?

Most tropical zodiac conventions place November 21 as the final day of Scorpio, which is the convention this site follows. A minority of sources shift the boundary a day earlier and count November 21 as the first day of Sagittarius, so this date is treated here as a genuine cusp date rather than a settled case.

What is the numerology day number for November 21?

The 21st reduces to day number 3 (2+1=3), traditionally tied to creativity, communication, and self-expression.

What happened with ARPANET on November 21, 1969?

The link's very first test message, sent a few weeks earlier in October between the same two sites, actually crashed the receiving computer after only two letters had transmitted — the researchers had been typing 'LOGIN' and it stalled right after 'LO' — making this later, stable connection the one that actually held.

What is November's birthstone and flower regardless of the cusp?

Topaz (with citrine as an alternate) is the birthstone, and the chrysanthemum is the birth flower — both determined by birth month rather than zodiac sign, so they apply the same way on either side of the cusp.