Yavindate

Based on combined information from multiple sources, the events ofStar Wars: Episode IVA New Hope can be determined to span sevendays in theLegends continuity:

• A New Hope establishes thattwo nights pass between theStar DestroyerDevastator'scapture ofPrincessLeia Organa'sTantive IV overTatooine and thedeaths ofOwen andBeru Lars
• Day 3 ends withLuke Skywalker andObi-Wan Kenobi spending the night in the Tatooinecity ofBestine following the Lars murders, according toThe Life and Legend of Obi-Wan Kenobi
• Day 4, which begins with Skywalker and Kenobi traveling toMos Eisley and meetingHan Solo, according to "The Last Gift From Alderaan!", ends with theDestruction of Alderaan at night.
• Day 5, according toThe Life and Legend of Obi-Wan Kenobi, encompasses therescue of Princess Leia aboard theDeath Star as well as thegroup's arrival onYavin 4, according to theStar Wars radio drama, and ends withGeneralJan Dodonna going tosleep while preparing for the following day's assault on theDeath Star, according toThe Movie Trilogy Sourcebook
• Day 6 begins with Dodonna waking and discovering thethermal exhaust port weakness in theDeath Star plans, according toThe Movie Trilogy Sourcebook, and ends with theBattle of Yavin, according toA New Hope
• Day 7 sees theRoyal Award Ceremony, according toStar Wars: The Official Starships & Vehicles Collection 12In A Galaxy Far, Far Away: Yavin IV – Massassi Temple Complex, thus concluding the film

Given thatThe Essential Atlas establishes that the events ofA New Hope begin on35:3:3, the Battle ofYavin therefore takes place on 35:3:8.