When Does Meta's 2026 Political Ad Blackout Start and End?

Meta will stop accepting new U.S. ads about politics, elections, and social issues starting at 12:01 AM Pacific Time on Tuesday, October 27, 2026, through 11:59 PM Pacific Time on Tuesday, November 3, 2026 — an eight-day blackout window built around the midterm elections. The window closes roughly three hours after polls close on the East Coast on election night.

What Gets Blocked vs. What Keeps Running

New political, election, and social-issue ads cannot launch during the window at all. An ad that was already running before the blackout began can keep serving, but only if it carries a valid "paid for by" disclaimer and had already delivered at least one impression before the window opened. Advertisers running those already-live ads are limited to adjusting budget, bid, and end date, or turning the ad off entirely — they cannot swap in new creative or copy during the blackout.

Why Meta Runs This Blackout

Meta has stated its rationale directly: in the final days before an election, there may not be enough time to contest new claims made in an ad before voters see it and before polls close. Blocking new submissions during that final stretch is Meta's way of avoiding last-minute, unverifiable claims reaching voters with no opportunity for anyone to respond.

Non-Political Advertisers Can Feel It Too

One industry analysis of the 2026 blackout notes that advertisers running entirely non-political campaigns can still feel spillover effects during the window, through inventory exclusions near political content, brand-safety adjacency adjustments, and slower pre-clearance review on ads that get flagged as potentially election-adjacent. An advertiser in an unrelated category whose ad gets mistakenly flagged as election-related during this period should expect review delays specifically because of the blackout, not because of anything wrong with the ad itself.

The Deadline That Actually Matters

Because new political creative can't go live once the window opens, the real deadline for political advertisers isn't October 27 — it's whatever date earlier than that is needed to get creative built, reviewed, approved, and actually serving at least one impression before the blackout starts. Analysts tracking the 2026 cycle describe this as a hard cutoff that pushes campaigns to lock in final-week messaging well before the blackout technically begins.

How This Compares to Other Platforms

Meta's restriction is temporary and election-specific. TikTok, by contrast, bans all paid political advertising year-round with no election-window exception, and Google applies its own separate set of identity-verification and disclosure requirements to political ads rather than a timed blackout.

Bottom Line

If any part of a 2026 campaign could be read as political, election-related, or social-issue advertising, get that creative live and serving at least one impression before 12:01 AM PT on October 27 — once the blackout starts, Meta will not accept anything new until November 4.

Sources: Meta Newsroom, "Meta Prepares for 2026 U.S. Midterms" (about.fb.com, February 2026); eMarketer, "Meta's Political Ad Blackout Forces Campaigns to Plan Final-Week Alternatives"; PPC Land, "Meta Blocks New US Political Ads for 8 Days Before the Midterm Vote."