Two of Amazon’s 2026 sale dates are confirmed and already behind us: the Big Spring Sale ran March 25–31 and Prime Day ran June 23–26, its earliest start since 2021. The two events still ahead — Prime Big Deal Days and Black Friday Week / Cyber Monday — have no announced dates as of July 28, 2026. What Amazon has published is the thing that actually constrains you: the Q4 inbound deadlines, the first of which (AWD for Big Deal Days) falls on September 2, 2026. Plan against the deadlines, not the dates.
That inversion is the whole point of this guide. Sellers wait for the event date and then work forward; the calendar Amazon actually enforces runs backward from a receiving cutoff that lands three to five weeks before the event it feeds.
Confirmed 2026 Amazon sale dates
These two events have official, published dates. Both have already happened.
| Event | 2026 dates | Duration | Who can shop | Official source |
|---|---|---|---|---|
| Big Spring Sale | March 25–31, 2026 (Wed–Tue) | 7 days, 12:01 a.m. PDT Mar 25 → 11:59 p.m. PDT Mar 31 | Everyone; Prime members get extra “Prime Spring Deal” badged items | aboutamazon.com |
| Prime Day | June 23–26, 2026 (Tue–Fri) | 4 days, 12:01 a.m. PDT Jun 23 → 11:59 p.m. PDT Jun 26 | Prime members only, 23 countries | aboutamazon.com |
Data checked 2026-07-28.
The Prime Day move is the structural story of the year. Prime Day has fallen in July in most years since 2015 — July 8–11 in 2025, July 16–17 in 2024, July 11–12 in 2023 — but not all: Amazon’s event history records October 13–14 in 2020 and June 21–22 in 2021. The 2026 shift to late June breaks the recent pattern but is not a first. For sellers it meant the deal-submission and inbound windows arrived about two weeks earlier than the previous year’s rhythm, and anyone who back-planned from “mid-July, like always” missed them. Treat last year’s dates as a weak prior and last year’s lead times as a strong one.
Unannounced 2026 events: what is actually known
Amazon has not published dates for either remaining event. The honest framing is a historical range plus the one piece of guidance Amazon has given sellers.
| Event | 2026 status | Historical dates | What Amazon has said |
|---|---|---|---|
| Prime Big Deal Days | Not announced as of 2026-07-28 | Oct 7–8, 2025 · Oct 8–9, 2024 · Oct 10–11, 2023 | Seller Central’s holiday calendar (posted early July 2026) gives no start date, end date, or duration; the trade report summarizing it says it “returns at the same point in the calendar as the previous year to open the season” |
| Black Friday Week / Cyber Monday | Event window not announced | 2025: Black Friday Week Nov 20 – Dec 1; Cyber Monday event Nov 29 – Dec 1 | Same calendar, same report: Big Deal Days is “followed by the late-November promotional block” |
Data checked 2026-07-28. Sources: Prime Big Deal Days 2025 announcement, Prime Big Deal Days 2024 announcement, Black Friday Week 2025, Cyber Monday 2025. The Seller Central holiday-calendar wording is quoted from a July 21, 2026 trade report; it is a third-party account of an announcement inside Seller Central, so confirm it against your own account.
Two calendar dates are fixed regardless of what Amazon announces, because they are defined by the US holiday: Thanksgiving falls on Thursday, November 26, 2026, which puts Black Friday on November 27 and Cyber Monday on November 30. Amazon’s promotional window has run wider than those single days in each of the last three years, but the anchor days themselves are not in question.
Amazon confirmed the 2025 Big Deal Days dates on September 16, 2025 — the same calendar date as this year’s optimized-splits deadline. If that pattern repeats, the AWD (September 2) and minimal-splits (September 9) deadlines both arrive before the date announcement does, and the optimized-splits deadline lands on the same day.
The deadlines that actually gate you: Q4 2026 inbound cutoffs
This is the operative calendar. Amazon posted these to Seller Central in early July 2026. Three deadlines per event, because the cutoff depends on which shipment-splits option you selected.
| Deadline | Date (2026) | Feeds |
|---|---|---|
| AWD inbound | September 2 (Wed) | Prime Big Deal Days |
| FBA — minimal shipment splits | September 9 (Wed) | Prime Big Deal Days |
| FBA — Amazon-optimized shipment splits | September 16 (Wed) | Prime Big Deal Days |
| AWD inbound | October 14 (Wed) | Black Friday Week / Cyber Monday |
| FBA — minimal shipment splits | October 21 (Wed) | Black Friday Week / Cyber Monday |
| FBA — Amazon-optimized shipment splits | October 28 (Wed) | Black Friday Week / Cyber Monday |
| Holiday peak fulfillment fees begin | October 15 | Runs through January 14, 2027 |
| AWD off-peak storage rate ends | October 31 | For auto-replenishment enrollees |
Data checked 2026-07-28, per the Seller Central holiday calendar as reported July 21, 2026. Verify each date in your own Seller Central before committing freight, since deadlines can differ by marketplace and program enrollment.
Three things to read off this table:
The minimal-splits penalty is one week, not zero. Choosing minimal shipment splits — fewer destinations, simpler freight — costs you seven days of inbound runway versus letting Amazon optimize the split. If your goods land late, the splits choice is where the week went.
Peak fulfillment fees start October 15, before Black Friday inventory is even due. Units that arrive on the October 28 optimized-splits deadline ship at peak rates for their entire selling season. That is not avoidable, but it needs to be in the margin model before you set a deal price, not after. Our FBA fee and profit breakdown walks the per-unit math, and the 2026 fee changes guide covers what moved this year.
“Arrived” is not “available.” Receiving is slower in Q4 by volume alone. The deadlines above are arrival deadlines that assume normal processing; they are not a guarantee that a unit checked in on the deadline is buyable on day one of the event.
Prime Day 2026’s deadlines, as a template for next year
Prime Day 2026 is past, but its deadline structure is the most recent worked example of how far ahead of an event Amazon’s gates sit:
- Deal submissions closed May 26 — 28 days before the June 23 start
- FBA minimal splits and AWD cutoff: May 27 — 27 days before
- FBA Amazon-optimized splits cutoff: June 5 — 18 days before
These figures come from a May 10, 2026 trade report summarizing the Seller Central announcement, not from an Amazon-hosted public page; data checked 2026-07-28. Use the shape — deal submission roughly four weeks out, inbound two to four weeks out — rather than the exact numbers, which shift each cycle.
A back-planning framework for any Amazon sale date
Work backward in five gates. Anchor at T = event start date (use the historical midpoint when the date is unannounced, then re-anchor the moment Amazon confirms).
- T minus 10–12 weeks — forecast and PO. Decide the units you want live during the event, add the sell-through you will lose to the pre-event lull, and place the manufacturing order. This is the only gate where the number is genuinely yours to choose; everything after it is logistics. Forecasting tools that model reorder points against lead time are covered in our Amazon restock software comparison.
- T minus 6–8 weeks — freight booked and en route. Q4 ocean and air capacity tightens; a booking made after the inbound deadline is announced is usually already too late.
- T minus 4 weeks — deal submission window. Deals must be created and accepted before the window closes. Missing this does not stop you selling during the event; it stops you carrying a Deal badge.
- T minus 2–4 weeks — inbound arrival deadline. The dates in the table above. Pick your splits option deliberately, since it is worth a full week.
- T minus 1 week — pricing, listings, and ad budgets set. Price changes made mid-event interact badly with deal pricing rules. Set the ceiling before traffic arrives; see the PPC strategy guide for how to stage bids into a demand spike.
What a “deal” actually requires and costs
Amazon publishes the eligibility bar on its seller promotions page. Data checked 2026-07-28:
- Lightning Deals run 4 to 12 hours, with the length determined by Amazon rather than the seller. Only select products are eligible.
- Best Deals run for a select number of days.
- Both require a Professional selling plan and an overall rating of at least four stars.
- Coupons require a Professional plan and an overall rating of at least 3.5 stars, carry a redemption cost each time a shopper uses one, and expire after 90 days.
- Amazon publishes no deal fee schedule; its only statement on cost is that “There may also be costs associated with your deal.”
That last point is the one most likely to catch out a first-time participant: Amazon confirms a deal can carry a cost but does not publish the figure, so it cannot be modelled from public information; confirm the amount in your own Seller Central before committing. If you are choosing between a badged deal, a coupon, and a plain price cut, the cost structures diverge sharply; the coupons vs deals vs price discounts comparison lays them side by side.
Note also that Amazon states the four-star and 3.5-star bars as conditions for creating deals and coupons, but does not publish when eligibility is evaluated or whether a lapse can be appealed. Treat a rating that slips below the bar as a live risk, and re-check eligibility in Seller Central before building the deal.
Common mistakes on the sale calendar
- Back-planning from last year’s date. The 2026 Prime Day move from July to June invalidated every plan anchored on “mid-July.” Anchor on announced deadlines instead.
- Treating an unannounced event as unschedulable. Big Deal Days has no 2026 date, but it has a September 2 AWD deadline. The absence of a date does not postpone the deadline.
- Assuming the inbound deadline is the last decision point. Deal submission typically closes before inventory is due. Two separate gates, two separate calendars.
- Ignoring the peak-fee start date when pricing deals. October 15 fee changes apply to units sold in November, not just units received after that date.
- Reading a trade-press date as an Amazon commitment. Seller Central announcements get summarized quickly and accurately most of the time, but the authoritative copy is in your own account, under the marketplace you actually sell in.
Pre-event checklist
- Confirm the current inbound deadlines in Seller Central for your marketplace and program enrollment
- Decide the shipment-splits option consciously; note it costs a week of runway
- Check star rating against the 4.0 deals bar and 3.5 coupons bar for every ASIN you intend to promote
- Model the deal price against peak fulfillment fees, not off-peak fees
- Book freight to land at least two weeks before the stated arrival deadline
- Set the pre-event price floor so mid-event changes are not needed
- Re-anchor the whole plan the day Amazon confirms Big Deal Days dates
Frequently Asked Questions
When is Prime Day 2026?
Prime Day 2026 ran June 23–26, 2026, starting at 12:01 a.m. PDT on June 23 and ending at 11:59 p.m. PDT on June 26. It was a four-day, Prime-member-only event across 23 countries, and the earliest Prime Day start since 2021, when the event ran June 21–22 (data checked 2026-07-28, per aboutamazon.com and Amazon’s Prime Day history).
When are Prime Big Deal Days 2026?
Amazon has not announced the dates as of July 28, 2026. Its Seller Central holiday calendar gives no dates; a trade report summarizing it says only that it “returns at the same point in the calendar as the previous year to open the season.” The historical range is early October: October 7–8 in 2025, October 8–9 in 2024, and October 10–11 in 2023. Amazon confirmed the 2025 dates on September 16, 2025 — after the 2026 calendar’s September 2 AWD and September 9 minimal-splits deadlines, and on the same date as its September 16 optimized-splits deadline.
When is Black Friday 2026 on Amazon?
The calendar dates are fixed: Thanksgiving falls on November 26, 2026, so Black Friday is November 27 and Cyber Monday is November 30. Amazon’s own promotional window is not announced as of July 28, 2026. In 2025 the equivalent window ran November 20 through December 1, with the Cyber Monday event running November 29 through December 1.
What is the last date to send FBA inventory for Q4 2026?
Per Amazon’s Seller Central holiday calendar, October 28, 2026 is the arrival deadline for FBA shipments using Amazon-optimized shipment splits ahead of Black Friday Week and Cyber Monday; October 21 applies to minimal shipment splits and October 14 to AWD. For Prime Big Deal Days the corresponding dates are September 16, September 9, and September 2. Confirm these in your own Seller Central, as they vary by marketplace and program.
Does Amazon still run a Big Spring Sale?
Yes. The Big Spring Sale ran March 25–31, 2026, open to all shoppers rather than Prime members only, with Prime members getting additional items carrying a “Prime Spring Deal” badge (data checked 2026-07-28, per aboutamazon.com).
Conclusion
The 2026 sale calendar has one confirmed event left to plan for and no confirmed date for it. That sounds like a planning problem, but it is not: the September 2 and September 16 inbound deadlines for Prime Big Deal Days, and the October 14 through October 28 deadlines for Black Friday Week, are published and enforceable regardless of when Amazon names the event days. Build the plan on those, keep the historical ranges as a working assumption for demand shaping, and re-anchor the whole schedule the day the dates land.