Amazon’s most recent Prime Day event ran from July 8–11, 2025, lasting 96 hours.

What Prime Day Is

  • Prime Day is Amazon’s large, members-only shopping event featuring limited-time deals across most product categories.
  • It began as a single-day sale in 2015 and has since expanded in length and scale, becoming a major mid‑year retail moment.

When Prime Day 2025 Was

  • Amazon officially scheduled Prime Day 2025 from Tuesday, July 8 through Friday, July 11.
  • The event ran 96 hours, making it Amazon’s longest Prime Day to date.

Timing Details

  • The sale started around 12:01 a.m. Pacific Time on July 8, 2025, for participating countries.
  • It ended at 11:59 p.m. Pacific Time on July 11, 2025.

Quick historical context

  • Earlier Prime Day events traditionally ran for 48 hours, so 2025’s four‑day format marked a notable expansion.
  • Prime Day is typically held in July, occasionally shifting (such as during the pandemic years), but has returned to a mid‑July window in recent editions.

TL;DR: When people now ask “when was Prime Day,” they usually mean the latest one, which was July 8–11, 2025.

Information gathered from public forums or data available on the internet and portrayed here.