Amazon's Prime Day in October 2025, officially known as Prime Big Deal Days, lasts 2 days. It starts at 12:01 a.m. PDT on October 7 and ends at 11:59 p.m. PDT on October 8.
However, it is important to note that in Canada, the October Prime event is extended to 4 days, from October 7 to 10, 2025. But in the US and most other places, it remains a two-day event.
