Q3 2025 runs from 1 July 2025 to 30 September 2025.

That means:

  • Start of Q3 2025: 1 July 2025.
  • End of Q3 2025: 30 September 2025.
  • Months included: July, August, and September 2025.

So whenever you see “when is Q3 2025” in news, finance, or forum discussions, they’re talking about that three‑month window in mid‑2025.