Paper

Student Artwork Guide

24 hours clock

Name Class Date

Paolo Uccello, 24 hours clock. Public domain. See this canvas under a moving light: the drawing, the true colour under the varnish, the bare pigment

The facts

Artist
Paolo Uccello originaluniqueart.com/en/artists/paolo-uccello/
Artist’s dates
1397 – 1475
Medium
Fresco Paint applied into wet plaster, so the colour dries as part of the wall and cannot be moved.
Movement
Early Renaissance The first generation to rebuild depth and lifelike bodies in painting after the Middle Ages.
Period
Renaissance
Artistic style
Renaissance/Mannerist
Influences
Lorenzo Ghiberti
Notable elements or techniques
Symbolic figures, Radial layout, Geometric lines
Subject or theme
Time, celestial clock, religion

In context

24 hours clock — Paolo Uccello

When might this have been painted?

  1. 1390
  2. 1400
  3. 1410
  4. 1420
  5. 1430
  6. 1440
  7. 1450
  8. 1460
  9. 1470

Row above: the years. Row below: how old the artist was at the start and at the end of each span — 0 at birth, 78 at death.

Shaded: the lifetime of Paolo Uccello (1397–1475) every dated painting, decade by decade

First works: up to 1435 Main working years: 1435–1452 Late works: from 1452

Those three bands split the works this catalogue has a date for into a first quarter, a middle half and a last quarter. They are not the artist’s complete output: a thin stretch may be a gap in the record rather than a quiet spell. The same years with the artist’s life laid along them

This record has no exact year on file — using the artist's lifetime and the work's style, what decade would you guess?

Compare with

Pick one work above: name two things it shares with this one, and one thing that's different.

More works to set beside this one: originaluniqueart.com/en/art/similar/paolo-uccello-24-hours-clock-8XYPPS-en/

Colours

Measured from the image

    Main colour

    Putty #d2d6ca

    Catalogued palette

    • #D2D6CA
    • #756E62
    • #A4A294
    • #433533

    These colours inside the artist’s whole palette Find other paintings by colour

    Palette
    Neutrals The dominant colour family in the image.
    Main colour name
    Putty
    Intensity
    Monochromatic How saturated and varied the colours are, from a single toned-down hue to many bright ones.
    Contrast
    Statement How much the colours differ in lightness and saturation across the picture.
    Harmony
    Discordant Palette How well the colours work together, from clashing to fully unified.
    Brightness
    Bright How light or dark the picture reads overall, from deep shadow to bright highlight.
    Saturation
    Muted How pure and strong the colours are, from near-grey to fully vivid.

    Where in the world is this painting looked at?

    • under 1%
    • 1–3%
    • 3–8%
    • 8–20%
    • 20% and over
    This painting alone has too few recorded visitors to map, so the plate reads every work by Paolo Uccello over the last twelve months — 31 countries in all. Where these figures come from

    The ten leading countries

    1. 1 China 35.2%
    2. 2 Italy 25.3%
    3. 3 United States of America 9.4%
    4. 4 Hong Kong 5.1%
    5. 5 Singapore 5.1%
    6. 6 Romania 4.4%
    7. 7 France 3.7%
    8. 8 Spain 3.4%
    9. 9 Colombia 0.7%
    10. 10 Germany 0.7%
    11. · 21 other countries 7.0%

    Find the three darkest countries on the map. Is the museum that keeps this painting in any of them? Write down one reason people far away might look at it.

    The 20 most looked-at works by Paolo Uccello

    1. 1 The battle of San Romano, 1456 16.9%
    2. 2 St. George and the Dragon, 1456 10.4%
    3. 3 The battle of san romano - the counter-attack by mich, 1456 8.8%
    4. 4 Battle of San Romano (Battaglia di San Romano) 2.8%
    5. 5 Adoration of the Child, 1437 2.2%
    6. 6 The Adoration of the Child, 1463 2.2%
    7. 7 Miracle of the Desecrated Host (Scene 1), 1465 2.0%
    8. 8 St George and the Dragon 1.9%
    9. 9 Creation of Adam, 1432 1.7%
    10. 10 Bernardino della Ciarda Thrown Off His Horse, 1450 1.5%
    11. 11 San Jorge Libera a la Princesa 1.3%
    12. 12 Clock with Heads of Prophets, 1443 1.3%
    13. 13 Head of Prophet, 1443 1.3%
    14. 14 The Vision of Saint Bernard, 1485 1.3%
    15. 15 Crocifissione 1.3%
    16. 16 Funerary Monument to Sir John Hawkwood, 1436 1.1%
    17. 17 Micheletto da Cotignola Engages in Battle (detail), 1450 1.1%
    18. 18 Head of Prophet, 1443 1.1%
    19. 19 The Annunciation, 1420 1.1%
    20. 20 24 hours clock this painting 1.1%

    Together these works take 62.4% of all the attention this artist's paintings received over the last twelve months. The catalogue holds 127 works by this artist, of which 100 were looked at at least once. This painting ranks 20 of them, with 1.1% of that attention. The same counts, month by month

    Bars measure attention, not quality. Pick the work at the top and this one: name one thing that might make a painting famous beyond how well it is painted.

    About this artwork

    24 hours clock — Paolo Uccello

    Paolo Uccello's "24 Hours Clock": A Renaissance Masterpiece of Time and Faith

    Artwork Overview: This remarkable fresco, titled “24 Hours Clock,” graces the Basilica di Santa Maria del Fiore in Florence, Italy. Created by Paolo Uccello around 1443, it's a complex circular depiction of a celestial clock, blending astronomical precision with profound religious symbolism. The artwork serves not only as a functional timekeeping device but also as a visual meditation on the passage of time and humanity’s place within the divine order.

    The Artist: Paolo Uccello and His Pursuit of Perspective

    A Pioneer of Early Renaissance: Paolo di Dono, known as Paolo Uccello (1397-1475), was a pivotal figure in the Early Renaissance. Born in Pratovecchio, Italy, his artistic journey began with an apprenticeship under Lorenzo Ghiberti, exposing him to Gothic styles and fostering a deep understanding of narrative composition.

    Mathematical Precision: Uccello’s fascination extended beyond mere representation; he sought to understand the underlying mathematical principles governing reality. This is evident in his meticulous exploration of geometry and perspective, which profoundly influenced his artistic style. His nickname, “Uccello” (little bird), likely stemmed from his fondness for depicting birds in his art.

    Decoding the Fresco: Style, Technique, and Composition

    Fresco Technique: The "24 Hours Clock" is a stunning example of fresco painting. This technique involves applying pigments to wet plaster, creating a durable and vibrant artwork that has endured for centuries.

    Renaissance Aesthetics: The style reflects the Early Renaissance period, characterized by meticulous detail, symbolic representation, and a move towards naturalism while maintaining idealized forms. The composition utilizes a radial layout emanating from the central vortex, with precise lines defining the numerals and circular segments.

    Symbolic Elements: The swirling vortex at the center represents the relentless flow of time. Roman numerals mark the hours, while the figures surrounding the clock are believed to represent saints or biblical characters, adding a spiritual dimension to the piece. The color palette is predominantly muted, with subtle variations in tone creating depth and visual interest.

    A Celestial Timepiece: Symbolism and Emotional Impact

    Astronomical and Religious Fusion: Uccello masterfully combines astronomical elements—the clock itself—with religious iconography. This fusion reflects the Renaissance fascination with both scientific inquiry and spiritual devotion.

    Contemplation of Time: The fresco evokes a sense of solemnity and contemplation, prompting viewers to reflect on the passage of time and its relationship to faith. The flattened perspective, typical of fresco work, enhances the artwork’s timeless quality.

    Restoration and Rediscovery: The clock face was lost under overpainting until late in the 20th century when the original qualities were rediscovered. This restoration revealed Uccello's genius and brought this remarkable piece back to life for modern audiences.

    Artist and museum

    Artist

    Paolo Uccello

    Born in Pratovecchio, Italy

    A Florentine Visionary: The Life and Art of Paolo Uccello

    Paolo Uccello, born Paolo di Dono in 1397 amidst the rolling hills near Florence, remains one of the most captivatingly enigmatic figures of the Early Renaissance. His very nickname, “Uccello” – little bird – hints at a whimsical nature and an artistic inclination towards depicting the avian world, yet it belies a mind deeply engaged with the burgeoning intellectual currents of his time. He wasn’t merely a painter; he was a pioneer, a mathematician of the canvas, striving to unlock the secrets of visual space and translate them into breathtaking works of art. His father, Dono di Paolo, practiced the dual profession of barber-surgeon, while his mother, Antonia, hailed from a Florentine noble family – a lineage that perhaps instilled in young Paolo both a practical sensibility and an appreciation for refined aesthetics. From 1412 to 1416, Uccello’s formative years were spent under the tutelage of Lorenzo Ghiberti, whose workshop was a crucible of artistic innovation, focused on the creation of the magnificent bronze doors for Florence's Baptistery. This early exposure steeped him in the prevailing Gothic style, with its emphasis on decorative elegance and narrative clarity, yet also ignited within him a desire to push beyond established boundaries.

    The Pursuit of Perspective: A Mathematical Mind at Play

    Uccello’s artistic development wasn't simply about mastering technique; it was driven by an insatiable curiosity regarding the underlying principles governing perception. He became consumed with mathematics, particularly geometry and perspective, not as abstract disciplines but as tools to unlock a more truthful representation of reality. While Filippo Brunelleschi is often credited with discovering linear perspective, Uccello was among the first to systematically apply it to painting, meticulously calculating vanishing points and orthogonal lines to create an illusion of depth that had previously been largely absent from art. This wasn’t merely about technical accuracy; for Uccello, perspective became a means of structuring narrative, enhancing drama, and imbuing his compositions with a sense of order and intellectual rigor. His fascination bordered on obsession, as recounted by Giorgio Vasari, who described Uccello staying up late into the night, lost in contemplation of vanishing points and spatial relationships. This dedication, while sometimes perceived as eccentric, ultimately revolutionized painting and paved the way for future generations of artists.

    Masterpieces of Illusion: Key Works and Stylistic Traits

    Uccello’s oeuvre, though relatively small, is marked by a distinctive style that blends Gothic elegance with Renaissance innovation. The Battle of San Romano, a series of three panels commissioned to commemorate a Florentine victory, stands as perhaps his most celebrated achievement. These paintings are not simply depictions of warfare; they are dynamic compositions filled with swirling figures, fragmented armor, and dramatically foreshortened lances – all rendered in vibrant colors and arranged according to meticulously calculated perspective. The Birth of the Virgin, showcases Uccello’s mastery of linear perspective, creating a convincing illusion of depth within a shallow space, while his St George and the Dragon presents a striking depiction of the legendary saint, characterized by bold colors and stylized forms. Even in works like The Flood and the Ark, part of the San Miniato al Monte frescoes, Uccello’s fascination with architectural detail and complex compositions is readily apparent. His style consistently reveals:

    A vibrant palette and a bold use of color.

    An emphasis on linear perspective, often pushed to its limits for dramatic effect.

    Stylized figures and decorative patterns reminiscent of Gothic art.

    A profound fascination with geometric forms and spatial relationships.

    Legacy and Influence: A Lasting Impact on Art History

    Paolo Uccello’s contribution to the Renaissance extends far beyond his individual paintings. His pioneering exploration of perspective fundamentally altered the course of art history, influencing countless artists who followed in his wake. Albrecht Dürer, the renowned German printmaker and painter, was deeply inspired by Uccello's work, dedicating himself to the study of perspective and incorporating its principles into his own artistic practice. While Uccello’s style remained somewhat idiosyncratic throughout his career – a unique blend of Gothic refinement and Renaissance innovation – his groundbreaking approach to space and form secured his place as a pivotal figure in the development of Western art. He died in Florence in 1475, leaving behind a legacy not only of beautiful paintings but also of intellectual curiosity and artistic daring. His work continues to inspire awe and admiration, reminding us that true artistry lies not just in what is seen, but in the understanding of how we see it.

    Where to read more

    Find this online

    QR code linking to the download page for 24 hours clock

    originaluniqueart.com/en/art/download/paolo-uccello-24-hours-clock-8XYPPS-en/

    Cite this artwork

    MLA
    Uccello, Paolo. 24 hours clock. n.d., https://originaluniqueart.com/en/art/paolo-uccello-24-hours-clock-8XYPPS-en/
    APA
    Uccello, Paolo (n.d.). 24 hours clock [Painting]. https://originaluniqueart.com/en/art/paolo-uccello-24-hours-clock-8XYPPS-en/
    Chicago
    Paolo Uccello. 24 hours clock. n.d. https://originaluniqueart.com/en/art/paolo-uccello-24-hours-clock-8XYPPS-en/
    Harvard
    Uccello, Paolo (n.d.) 24 hours clock. Available at: https://originaluniqueart.com/en/art/paolo-uccello-24-hours-clock-8XYPPS-en/

    Look closely

    24 hours clock — Paolo Uccello

    Look closely

    Answer in your own words. There are no wrong answers here — only answers you can explain.

    1. What catches your eye first, and why?
    2. Which colours or shapes create the mood — and what is that mood?
    3. How many faces can you find? ____ (our catalogue counts 3 — do you agree?)
    4. Our catalogue files this work under: clock, time, celestial. Do you agree? What would you add, or take away?
    5. Look back at The battle of San Romano (1456), earlier in this guide. Name two things it shares with this work, and one that is different.

    Your response

    Write a short paragraph about this artwork. Use the facts from the earlier parts of this guide, and your answers above.

    Art quiz

    24 hours clock — Paolo Uccello

    How well do you know this artwork?

    Tick one answer for each of the 5 questions below. Each has exactly one correct answer.

    1. 1. What is the primary subject depicted in Paolo Uccello’s ‘24 Hours Clock’?

      • A A landscape scene
      • B A celestial clock with Roman numerals and figures
      • C A portrait of a Florentine noble
    2. 2. In what city is the '24 Hours Clock' fresco located?

      • A Rome
      • B Venice
      • C Florence
    3. 3. Which artistic period does the style of ‘24 Hours Clock’ most closely align with?

      • A Baroque
      • B Renaissance or early Mannerist
      • C Impressionism
    4. 4. What is a notable characteristic of the perspective in this fresco?

      • A Strong linear perspective creating deep depth
      • B Flattened perspective typical of fresco work
      • C Use of atmospheric perspective to create realism
    5. 5. According to the description, what does the swirling vortex in the center of the clock symbolize?

      • A The beauty of nature
      • B The passage of time
      • C Religious devotion

    My score: ____ out of 5

    Answer key — for the teacher

    This starts a fresh printed page, so it can simply be left out of the copies.

    1B · 2C · 3B · 4B · 5B

    Check any answer against the catalogue record for this painting

    Questions & Answers

    What is the recommended print size for "24 hours clock" by Paolo Uccello?

    The recommended print size for "24 hours clock" by Paolo Uccello is large.

    Is "24 hours clock" by Paolo Uccello recommended as a gift, and for whom?

    The gift recommendation for "24 hours clock" by Paolo Uccello combines anniversary with focal.

    Is "24 hours clock" by Paolo Uccello a light or a dark artwork?

    The recorded values for "24 hours clock" by Paolo Uccello are: bright brightness, gentle luminance luminance.