Paris runs a second shift. A two-night trip that treats evenings as the gap between sightseeing days sees only half the city.
Apéro
Roughly 6 to 8pm, when terraces fill and bars serve wine with small plates before dinner.
It is the most sociable part of the Parisian day and the easiest to join, because it needs no booking and no plan beyond finding a terrace and sitting down.
Dinner then starts around 8:30 or 9pm, which is worth knowing — arriving at a restaurant at 7pm means an empty room and a kitchen that has just opened.
Late museum nights
Several Paris museums run one or two late evenings a week — the Louvre and Orsay among them.
They are considerably quieter than daytime, and on a 48-hour trip a late opening effectively adds hours you did not have.
The days change. Check each museum's current schedule rather than relying on what an article says.
The lit city
The Eiffel Tower is illuminated from dusk, with a sparkling display for a few minutes at the top of each hour. The Trocadéro terrace across the river is the classic viewing point — free, and busy.
The Seine from the Pont Alexandre III or the Pont des Arts.
Notre-Dame and the Île de la Cité from the Left Bank quays.
Sacré-Cœur from the steps below, where people sit with bottles of wine on summer evenings.
The Louvre courtyard and pyramid at night, which is free and largely empty.
The neighbourhoods that come alive
Canal Saint-Martin — iron footbridges and locks, with people sitting along the water on warm evenings. Young Paris, and no tourist infrastructure.
The Marais — bars, restaurants and the best evening walking in the centre.
The 11th and Belleville — Rue Oberkampf, Rue Saint-Maur, and a crowd that is not visiting.
The Latin Quarter — student bars, and the Rue Mouffetard end rather than the tourist strip near the river.
Pigalle — no longer only what its reputation suggests, with good bars alongside.
Wine bars
Paris has a dense natural-wine scene and the small bars in the 11th, the Marais and around Canal Saint-Martin are the practical way in.
Most serve small plates. Many do not take bookings and fill by 8pm.
House wine by the glass is inexpensive; a pichet is the cheaper way to share.
The two-evening plan
Friday: arrive, apéro somewhere near the accommodation, dinner in the Marais or the 11th, then a walk along the Seine.
Saturday: a late museum opening if one falls on your day, then Canal Saint-Martin or Belleville, ending at the Trocadéro for the tower on the hour.
Practical
The metro runs until around 1am, later on Fridays and Saturdays. Night buses cover the gap.
Terrace prices are higher than standing at the bar, and both are legally posted.
Book one dinner before flying. The good small restaurants fill, and deciding on arrival is how the evening gets wasted.