Full Timeline for Spider-Man Homecoming.

Middle to Late June - Peter returns home to Queens after CW

September 8th, 2016 - Ned finds out Peter is Spider-Man

September 9th, Liz invites Peter to her party, Jackson Brice (OG Shocker) dies this day.

September 10th, Peter and Ned track Vulture’s Men

September 11th, Peter rejoins Academic Decathlon, goes on DC Trip, unlocks suits full capabilities.

September 12th, Ferry Incident, Peter loses his suit.

September 13th, (I assume this is when the montage of Peter doing stuff is all in one day) Peter asks Liz to Homecoming dance.

September 14th, Homecoming Dance Happens, vulture takedown.

September 15th, Happy takes Peter to Avengers Compound.