When the clock struck noon on May 11, the day that France began to lift its COVID-19 lockdown, a celebratory boom echoed through the city of Nice. The midday firework was not a response to the gradual ebb of a pandemic, however—it was a return to a decades-long tradition. “Just like towns have their church bells, the countryside has its roosters, and fields have their cows, for the last 150 years, Nice has had its cannon,” Philippe Arnello wrote on Facebook that morning.

The gloomy weather and requisite face mask couldn’t conceal Arnello’s delight to be returning to his patch of Castle Hill, the original settlement of the southern French city, after eight weeks. “So happy to be able to resume this tradition,” he wrote. Arnello is a second-generation pyrotechnician who has been responsible for Nice’s midday cannon since 1992, through his family fireworks business, Azur Fêtes. It’s a ritual that takes many first-time visitors by surprise, but for locals, the boom at noon is an indispensable cue to step away from their tools, tasks, or computers, and pick up their forks.

“For me, the cannon means that it’s time to get ready for lunch,” explains Anthony Lannerretonne, a photographer who has lived in the city for 29 years. “It’s a reminder to find somewhere to sit down and to raise a glass of fresh rosé to my lips and grab a pissaladière or piece of socca,” he continues. Both of these street foods are classic niçois, a word that means distinctively from Nice.

Arnello, a pyrotechnician by trade, has been responsible for the city's daily firework since 1992.
Arnello, a pyrotechnician by trade, has been responsible for the city’s daily firework since 1992. Chrissie McClatchie

The quaint midday explosion dates back to the mid-19th century, when British nobles frequently spent the winter in Nice. In 1862, a punctual lord from Edinburgh, Sir Thomas Coventry, is said to have tired of waiting for his wife to return from social engagements to join him for lunch. “He organized for a cannon to be fired at noon as a sign for her to come home for their meal,” writes Alex Benvenuto, a local historian, in an email.

“When he returned to his castle in Edinburgh, he left a pretty sum of money to Nice’s city council to maintain it,” Benvenuto continues. “The mayor at the time, François Malausséna, then voted in a municipal decree to ensure his wishes were upheld.” Coventry may have been inspired by a similar practice in his hometown: Edinburgh Castle still fires a gun at one in the afternoon, for ships in the Firth of Forth. (Rome also has a midday cannon tradition.)

Today, Castle Hill contains few markers of the area’s history, from the arrival of the Greeks in the third century B.C. to the destruction of its once-impregnable citadel by Louis XIV’s soldiers in the early-18th century. A leafy public garden has sprung up in its place, and at 300 feet above sea level, it offers a panoramic view across the terracotta rooftops of Vieux Nice, or old town, toward the Promenade des Anglais and Baie des Anges beyond.

In the late-19th century, the cannon was replaced with a firework.
In the late-19th century, the cannon was replaced with a firework. Archives Nice Côte d’Azur

The modern-day midday cannon is not an elaborate ritual, and is not in fact a cannon at all—it was replaced in 1886 by a firework. “It’s colorless, so there are no streaks of gold, red, or blue,” Arnello says. (There are exceptions: For heritage days and other special celebrations, Arnello and a small cast of actors sometimes reenact the firing of the original cannon in full period costume.) His designated space, which is technically part of the police department and is flanked by the Israelite Cemetery, is more utilitarian than decorative—a place to park council vehicles and let off small pyrotechnics.

But that doesn’t mean there’s no show. As the church bells start to chime for noon in the narrow streets of the old town below, he lights the fuse of a small 5.6-ounce bundle of gunpowder. The first boom can only be heard by those present; seconds later another, louder explosion reaches all but the outermost edges of the city. A plume of white smoke rises sky-high, resting for a brief moment before being swept away by the wind.

Arnello only lingers after midday on days when he has company. “Sometimes people call the town hall, other times they hear the noise one day and come looking for me the next,” he explains. He can also be contacted through his business. Whatever way he’s found, he says he is always happy for the audience.

Before the boom (left) and after (right).
Before the boom (left) and after (right). Chrissie McClatchie

“In almost 30 years, I’ve only been late twice,” he says. However, there are two days of the year when he breaks with his own tradition. On July 14—Bastille Day—the cannon stays silent to honor the 86 victims of the 2016 Nice terror attack. And on April 1, he likes to mix things up. “I usually let it off at 11 a.m., but now people expect that, so it’s no longer a surprise,” he says with a mischievous grin. “Maybe next year it will be at 1 p.m., who knows?”

France’s COVID-19 lockdown lasted 56 days, which was Arnello’s longest-ever stretch away from the post. He says that the local newspaper, Nice Matin, was inundated with calls from residents, who wanted to know why the cannon was deemed a nonessential service. “I also had friends messaging to tell me that, since I stopped lighting the cannon, they were no longer remembering to eat lunch,” he says with a laugh. “This niçois custom has existed for 150 years and I am very proud to play a part in continuing it.”