63 Madison Avenue, a 1960s office building in Midtown Manhattan, is reimagined as an architecture shaped by time, light, and human well-being.

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The Diurnal Lightbox transforms an energy-intensive relic into a living instrument of daylight. Responding to the natural rhythms of the sun, the project harnesses diurnal light cycles to create healthier, more engaging workplaces while dramatically reducing energy demand.

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An undulating chevron façade captures, bends, and redistributes daylight deep into the building through fiber-optic lenses embedded within the curtain wall. Light becomes both performance and experience—measured, modulated, and felt.

At the street, the façade opens to form a public arcade, revealing the building’s environmental intelligence and inviting the city to engage with its climate future.

Rooted in daylight, aligned with human biology, and calibrated for a low-carbon city, The Diurnal Lightbox positions light as architecture’s most powerful renewable resource

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​​​​​​Architecture Design: atelierMIDE

Facade Engineering: SGH