All articles starting with D
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Daylight harvesting
Daylight harvesting is a lighting control strategy in which a photosensor measures daylight and automatically dims or switches off electric lighting to maintain a target illuminance level.
Daylight photodynamic therapy
Daylight photodynamic therapy (DL-PDT, also dPDT) is a dermatological treatment in which a photosensitizing cream is activated by daylight to treat actinic keratoses, nearly painlessly.
Daylight saving time
Daylight saving time (DST), also called summer time, is the part of the year when clocks are advanced one hour, moving daylight from morning to evening.
Daylight saving time by country
Daylight saving time by country, or DST by country, surveys which of the world's countries observe daylight saving time, about a third of them, mostly in Europe and North America.
Daylight saving time in Canada
Daylight saving time in Canada is set province by province, with clocks changed since 2007 on the second Sunday in March and first Sunday in November.
Daylight saving time in the United States
Daylight saving time in the United States is the federally mandated practice of moving clocks forward from the second Sunday of March to the first Sunday of November.
Daylighting
Daylighting is the use of windows, skylights, and other apertures to admit natural light into buildings for illumination and temperature regulation, reducing electric lighting and heating and cooling costs.
Daylily
Daylily (Hemerocallis, Asphodelaceae): perennial genus of 16 species native from SE. Alps and Siberia to temperate East Asia; each flower lasts one day; basis of tens of thousands of garden cultivars.
Daymond John
Daymond John, born 1969, is an American entrepreneur, investor, and television personality who founded the streetwear brand FUBU in Queens and stars on ABC's Shark Tank.
Dayna Polehanki
Dayna Polehanki is an American Democratic politician and former high school teacher of nearly 20 years who has served in the Michigan Senate since 2019, representing the 5th district and chairing its Education Committee.
Dayo Koleosho
Dayo Koleosho (Oludayo Koleosho, born 1984) is an English autistic actor, an Access All Areas associate artist, known for Kojo Asare in EastEnders since 2024, Jitney, and Faith, Hope and Charity.
Dayone Capital
Dayone Capital is a China-focused consumer-sector private equity firm founded by Allen Chen in 2020, based in Shenzhen, whose first fund closed above USD 630 million in 2021.
DayOne funding
DayOne is a Singapore-headquartered data center operator, formerly GDS Holdings' international unit, which closed a $4.5 billion Series C in June 2026 for AI data center expansion.
Dayong Jin
Dayong Jin (金大勇) is an Australian-based photonics researcher known for upconversion nanoprobes, called "Super Dots", and founding the Institute for Biomedical Materials and Devices at the University of Technology Sydney.
Dayot Upamecano
Dayot Upamecano (born 1998) is a French centre-back for Bayern Munich and France, a 2022 World Cup runner-up and three-time Bundesliga winner who extended his Bayern contract to 2030.
Dayoung
Dayoung (다영, born 1999) is a South Korean singer, WJSN vocalist since 2016, who debuted solo in 2025 with "gonna love me, right?" and the hit "body" (Melon Top 100 No. 9), followed by "What's a girl to do" in 2026.
Dayron Robles
Dayron Robles (Dayron Robles Planes), Cuban 110m hurdler born 1986 in Guantánamo; Olympic champion Beijing 2008 (12.93) and world record holder 12.87 (Ostrava 2008) until Aries Merritt's 12.80 in 2012; disqualified at Daegu 2011 after contact with Liu Xiang.
Days (The Mountain Goats album)
Days (2026) is the Mountain Goats' studio album on Cadmean Dawn, produced by John Congleton. Conceived as "Grunges," a grunge-culture sequel to Goths, it earned a Metacritic score of 79 and peaked at UK number 73.
Days (日子) (2020 film)
Days (日子, Rizi) is Tsai Ming-liang's 2020 Taiwanese drama starring Lee Kang-sheng and Anong Houngheuangsy; a wordless 46-shot slow film that premiered in competition at the 2020 Berlinale and won the Teddy Jury Award.
Days and Nights
Days and Nights (Дни и ночи) is a novella by the Soviet writer Konstantin Simonov about the 1942–1943 defense of Stalingrad, his first large prose work.
Days and Nights in the Forest
Days and Nights in the Forest (Aranyer Din Ratri, অরণ্যের দিনরাত্রি) is Satyajit Ray's 1970 Bengali drama, adapted from Sunil Gangopadhyay's 1968 novel, about four Calcutta bachelors whose Palamu holiday exposes class prejudice; restored in 4K in 2025.
Days at the Morisaki Bookshop (森崎書店の日々)
Days at the Morisaki Bookshop (森崎書店の日々) is Satoshi Yagisawa's 2010 debut novel, a Chiyoda Literature Prize winner about Takako recovering at her uncle's Jimbocho used bookstore; filmed 2010, translated by Eric Ozawa 2023, over 1 million copies sold abroad.
Days Before Rodeo
Days Before Rodeo is Travis Scott's second mixtape, released free on SoundCloud on August 18, 2014 as a teaser for his debut album Rodeo; its 2024 10th-anniversary reissue with five bonus tracks reached No. 1 on the Billboard 200.
Days Gone
Days Gone is a 2019 Bend Studio open-world action game for PS4, starring biker Deacon St. John surviving Freaker hordes in post-apocalyptic Oregon; ported to PC in 2021, remastered for PS5 in 2025, Metacritic 71.
Days Gone Bye (The Walking Dead)
Days Gone Bye is the 2010 pilot of AMC's The Walking Dead, written and directed by Frank Darabont, adapting Robert Kirkman's comic opening; it drew 5.3 million viewers, AMC's largest original-series premiere, and was Darabont's only directing credit on the show.
Days of Ash
Days of Ash is a surprise six-track EP by U2, released 18 February 2026 on Ash Wednesday via Island/Universal, produced by Jacknife Lee; their first new original songs since 2017, honoring Renee Good, Sarina Esmailzadeh, Awdah Hathaleen, and Ukraine, with Ed Sheeran and Taras Topolia guests.
Days of Being Wild (阿飞正传)
Days of Being Wild (阿飛正傳) is Wong Kar-wai's 1990 Hong Kong drama, his second feature and first with Christopher Doyle, starring Leslie Cheung as Yuddy, a playboy searching for his birth mother; a box-office flop that became an award-winning classic and the first of his 1960s trilogy.
Days of Future Passed
Days of Future Passed, the Moody Blues' second album (Deram, November 1967), a day-in-the-life concept record with the London Festival Orchestra, born from a hijacked Decca stereo-demo project and often called the first progressive rock album.
Days of Future Past
Days of Future Past is a two-part X-Men comic storyline from 1981 by Chris Claremont and John Byrne, depicting a dystopian future ruled by Sentinels.
Days of Heaven
Days of Heaven is Terrence Malick's 1978 drama about Chicago lovers Bill and Abby and Linda Manz on a Texas wheat farm, starring Richard Gere, Brooke Adams, and Sam Shepard, shot in Alberta with Oscar-winning cinematography by Néstor Almendros.