Day has lectured about her work at Nicer Tuesdays (It’s Nice That), Cambridge University, The Hepworth Gallery, and the Vogue Italia ‘The Female Gaze’ 2016 and Masculinity Now 2018 exhibition. She has also displayed her work, and was nominated, for the Magnum Graduate Award 2016, C/O Berlin Talent Award 2020, This is Gender 2020, Wolf Suschitzky Prize 2021, Royal Photographic Society IPE 163 Shortlist 2021 and British Journal of Photography Portrait of Humanity Shortlist 2021.

In April 2019, Day completed her first solo exhibition and film, ‘Hen’, at Herrick Gallery, London, which was centered around the older transgender and non-binary communities in the UK.

In July 2022, Day displayed her series and film Children of Covid, at Offshoot Gallery London. Channel 4 later went on to create a micro-documentary based on the series.

Her selected editorial and commercial clients include Adidas, Adobe, AnOther Magazine, Apple, Bodyform, Burberry, Dazed and Confused, Fendi, Harper’s Bazaar, i-D (UK/DE), Levi’s, Louis Vuitton, The New York Times, Stella McCartney, Swarovski Vogue Italia and Vogue Mexico.