The phrase "a day to create" is correct and usable in written English.
You can use it to refer to a specific day designated for creative activities or projects.
Example: "We have set aside Saturday as a day to create, where everyone can work on their personal art projects."
Alternatives: "a day for creativity" or "a day dedicated to creation".
He estimates that each minute of "Feed the Animals" took him about a day to create.
A stone's throw from Hyde Park, hard-hatted construction workers are hard at it 24 hours a day to create the world's biggest organic department store.
Professor Li estimated that it would take three months for four labs working 24 hours a day to create a DNA database from all the bodies found in the earthquake zone.
At the same time, the law would place substantial administrative authority outside Baghdad by allowing any region that produces at least 150,000 barrels of oil a day to create its own operating company, according to Hussain al-Shahristani, the Iraqi oil minister and member of a powerful coalition of Shiite political parties who also serves on the negotiating committee.
Image analysis of incoming data was done within a day to create updated study plots.
Flixster says it took them less than a day to create this.
Professional funnyman Taylor Moore began his collection of fake magazines last year, when he and his friends from the comedy world devoted a day to creating a glossy about horses for the ultimate equestrian lover.
Those who sign up for August's session will have a fifth day to create a collage, incorporating all their lessons.
Even if you do find the time to do it, you don't have the impetus at the end of a working day to create.
The Scarsdale teenagers, who gave up weekends, nights and a snow day to create the films, readily acknowledge that their movie-making endeavor was a far cry from desegregating a school.
Kmiec notes that his zoetrope was a relatively simple build that took a leisurely-paced day to create.
