L'Italo-Americano

GIOVEDÌ 16 OTTOBRE 2025 www.italoamericano.org 32 L'Italo-Americano H ave you ever heard about Ora Italica ( o r I t a l i a n Hour, to say it in English)? Before you a s k , n o , i t ' s n o t a f a n c i e r e x p r e s s i o n f o r a p e r i t i v o time; rather, it refers to an ancient way to measure time, when the day was counted in twenty-four equal hours that started at sunset. In much of Italy, from the late Mid- dle Ages onward, the clock rolled over not at midnight but when the sun dropped below the horizon, so the dial read "24" at day's end and "1" just after the night began. Interestingly, Italian muse- ums and clock-making trea- tises record that, often, the passing from a day to the other was delayed by half an hour past sunset, so that it coincided with the time of the Ave Maria (hence the name Ave Maria time). This custom became formal- ized in what's known as Ora Italica da campanile (the "bell-tower Italian Hour"), a small tweak indeed, but one that reveals how closely pub- lic timekeeping followed the audible rhythm of church bells in the piazza. The Italian Hour system traveled beyond the peninsu- la: the same sunset-anchored count appears in sources also as Old Bohemian time, as it was used in areas of East- e r n E u r o p e , i n c l u d i n g Bohemia, too. However, Italy kept it longest and gave it its original name. Once you picture the reset at sunset, daily life under Ora Italica becomes easy to reconstruct. Because sunset shifts throughout the year, t h e s a m e c l o c k - r e a d i n g pointed to different moments in different seasons; midday, for instance, did not sit fixed at 12 as it does today, rather, it would "move" throughout the seasons, depending on when the sun would set. People also read the light s t r a i g h t o f f t h e b e l l tower: if you subtracted the hour you heard from twenty- four, you knew roughly how m a n y d a y l i g h t h o u r s remained. What looks awk- ward from a modern desk made practical sense in an agrarian, liturgical society t h a t o r g a n i z e d w o r k a n d w o r s h i p b a s e d o n t h e s k y rather than on a universal midnight. The public face of the sys- tem survives most clearly on historic clocks. Inside Florence Cathe- dral, for instance, Paolo Uccello's great dial runs c o u n t e r - c l o c k w i s e a n d marks a full twenty-four- h o u r c y c l e t h a t b e g i n s a t sunset. Travel north and the i d e a a p p e a r s a g a i n o n Prague's astronomical clock, where the outer ring shows the hours since sunset and tracks the changing time of dusk across the seasons. The city's guides explain it p l a i n l y : " O l d B o h e m i a n t i m e , a l s o c a l l e d I t a l i a n Hour, began at sunset, and the twenty-four-hour ring s l i d e s d u r i n g t h e y e a r t o k e e p s u n s e t a l i g n e d w i t h "24." However, behind those f a m i l i a r d i a l s s a t a r e a l m a i n t e n a n c e b u r d e n because, if the day began at sunset and sunset kept mov- ing, public clocks had to be adjusted continually to stay honest, and early mecha- nisms were not built for con- s t a n t f i n e - t u n i n g . T h e r e w e r e a l s o o t h e r p r a c t i c a l issues; as trade and travel widened in the eighteenth century, the pressure for a common reference grew, and Italian states began to adopt what locals called ora alla f rancese or ol tramon- tana, where the civil day s t a r t e d a t m i d n i g h t , a n d noon was set at twelve. Spe- cific dates tell us the story of the change: Florence adopt- ed it in 1749, Parma in 1755, G e n o a i n 1 7 7 2 , M i l a n i n 1786, Bologna in 1796 dur- ing the French occupation; a n d i f i t i s t r u e t h a t Napoleonic rule accelerated a transition already under- w a y , i t c e r t a i n l y d i d n o t cause it, as many tend to believe. Surely, official timekeep- ing shifted, but long-held habits died slowly: in many cities and rural areas, people continued counting time by sunset well into the early decades of the 1800s. Not many Italians know that, once upon a time, we used to keep track of time differently, but recent exhi- bitions tried to fix that and made the topic accessible to a wider audience. In 2023, the Museo Galileo in Flo- r e n c e d e v o t e d a s h o w t o Ora Italica, using historic clocks and instruments to demonstrate how different s y s t e m s c o e x i s t e d b e f o r e s t a n d a r d i z a t i o n . T h e k e y idea behind the exhibition was to show that mechanical timekeeping grew up amid multiple civil and liturgical conventions and that collec- tors and artisans preserved that diversity in metal and p a i n t . Y o u s t e p f r o m o n e case to another and watch midnight-based and sunset- based days share the same gallery, which is exactly how t h e y o n c e s h a r e d , s o m e - times, the same cities. What survives today, of course, is a visible archive rather than a living practice: church walls and civic tow- ers keep their twenty-four- hour numerals; Florence's U c c e l l o d i a l c o n t i n u e s t o t u r n a g a i n s t t h e g r a i n ; P r a g u e ' s o u t e r r i n g s t i l l slides to meet the sun. Then, we have museums displaying dials and sundials with Ital- ian-hour scales; guidebooks and city websites explaining how to read them. And if you listen closely, you may per- h a p s r e c o g n i z e a f e w o l d idioms that still point to the sky, old remnants of a time when you could tell, from t h e b e l l y o u h e a r d , h o w much daylight you had left to get things done. If there is a single take- away from this little tale of historical habits, it is that Ora Italica measured a com- munity's day by the horizon rather than by a fixed mid- n i g h t . T h e c h a n g e t o t h e French system was part of a b r o a d e r E u r o p e a n m o v e toward standardization, but t h e s u n s e t c o u n t l e a v e s behind a legible pattern on towers, in archives, and in the way historical clocks still move. Stand under Uccello's dial at the Duomo or in front of Prague's orloj, and you can still read time the way much of Italy once did: starting w h e n t h e l i g h t f a d e s a n d ending when it does again. LUCA SIGNORINI The Ora Italica clock in Campo Santi Apostoli, Venice (Photo: Claudio Petto/Dreamstime) F r o m s u n s e t t o s u n s e t : Italy's old way of telling time LA VITA ITALIANA TRADITIONS HISTORY CULTURE

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