Chronopin: upcoming release dates, events and other important dates

Bruno Mars returns to Singapore's National Stadium for four nights, opening The Romantic Tour's 2027 Southeast Asia run with Anderson .Paak as DJ Pee .Wee.

An 11-day citywide celebration with parades, food fairs and neighborhood events.

IndyCar, IMSA sports cars and four more series race the streets of downtown Long Beach over a three-day festival that draws about 190,000 fans.

Emmanuel Macron's second term ends on May 13, 2027; the government has set the first round for Sunday, April 18 and the runoff for May 2. On 20 September 2026 Polymarket's 128-name market had Marine Le Pen at 37%, Edouard Philippe at 25% and Jean-Luc Melenchon at 13%.

Shanghai's opening complex spirals tighter and tighter through Turns 1 to 3 before the longest straight of the season's early rounds.

About 30,000 runners are due to race from Hopkinton to Boylston Street on Monday 19 April 2027, after a record 33,656 qualifiers applied for places. It is the first Boston Marathon with a random draw for about 1,000 qualifiers who miss the cut-off time.

The Union des Grands Crus de Bordeaux holds En Primeurs Week from 19 to 22 April 2027, when the Bordeaux châteaux show barrel samples of the 2026 vintage to the trade and press before it is sold as futures.

The world's largest seafood trade show returns to Fira de Barcelona's Gran Via venue for three days after a record 2026 edition with more than 35,500 visitors.

The Boston edition of PAX brings four days of video, tabletop and arcade gaming, panels, concerts and an expo hall.

A film festival with screenings across the city.

China's oldest auto exhibition runs ten days at the National Exhibition and Convention Center, with a new embodied-AI zone.

The TCS London Marathon runs over two days, Saturday 24 and Sunday 25 April 2027, from Blackheath to The Mall, with time-qualifier entries opening in October 2026.

Victorian neighborhood hosts a parade, artists market, live music and an optional home tour each spring.

In 10 years, tiny nanobots in your blood might help keep you from getting sick or even transmit your thoughts to a wireless cloud.

玉兰花开君再来 ("The Way You Come Back") is Tencent Video's S+ biographical drama starring Yang Zi (杨紫) as Dong Zhujun, the courtesan-turned-founder of Shanghai's Jin Jiang Hotel, with Ou Hao (欧豪) as her husband Xia Zhishi. Directed by Yang Yang of A Dream of Splendor, it began filming in Haikou in December 2025 and wrapped in Beijing on 25 May 2026, and is set for CCTV-8 and Tencent Video. No air date has been announced, so the premiere shown here is an estimate.

The FCC's Auction 115 puts 3,248 flexible-use licenses covering 160 MHz of Upper C-band spectrum (3.98-4.14 GHz) up for bid across the contiguous US, with bidding tentatively set to begin on 27 April 2027 ahead of a 4 July 2027 statutory deadline.

DC's premium hardcover Absolute Batman: Deluxe Edition Vol. 1, collecting issues 1-14 (The Zoo and Abomination) by Scott Snyder and Nick Dragotta in 424 pages, is due on 27 April 2027, with a companion covers book on 29 April.

The FOMC announces its rate decision on the second day of its April 27-28 2027 meeting. On 21 September 2026 Kalshi last traded Fed maintains rate 63%, Cut 25bps 11%, Hike 25bps 8%.

Chicago's comics and pop culture convention runs three days at McCormick Place with celebrity guests, cosplay and gaming.

Tomorrowland Brasil returns to Parque Maeda in Itu, São Paulo, from 30 April to 2 May 2027, the last stop of the 'Consciencia' theme that toured the festival's editions in Belgium, Thailand and Brazil.

Free Comic Book Day 2027 falls on Saturday 1 May, and DC plans a free special in which Matt Fraction (Batman) and Scott Snyder (Absolute Batman) each write the same hook two ways to show how their two Dark Knights solve a case.

Denver’s Cinco de Mayo festival is scheduled for 1–2 May 2027 at Civic Center Park, with music, dance, food and a community parade.