September 9 is now officially registered as Attack on Titan Day by the Japan Anniversary Association. The date marks the anniversary of the manga beginning serialization on September 9, 2009, and the franchise has outlined a livestream, a limited manga-reading campaign and new merchandise for the 2026 observance.

For fans outside Japan, the main live event begins at 21:30 JST on September 9, which converts to 5:30 a.m. Pacific, 7:30 a.m. Central and 8:30 a.m. Eastern. The guests are Japanese voice actors Yuki Kaji, Yui Ishikawa and Hiro Shimono. The streaming platform has not been announced, so any link circulating before the official account posts one should be treated as unconfirmed.

When is Attack on Titan Day?

Attack on Titan Day falls on September 9 each year. The official announcement connects 9/9 to the launch of Hajime Isayama’s manga in Bessatsu Shonen Magazine on September 9, 2009. Japan Anniversary Association registration gives the franchise a recognized date for commemorative activity.

It is a registered commemorative day, not a Japanese public holiday. Schools, businesses and government offices are not being given a holiday through this designation. The practical change is that the franchise now has an official annual marker for events, promotions and fan participation.

What time is the September 9 livestream?

The 2026 livestream is scheduled for September 9 at 21:30 JST. In the continental United States, that is 5:30 a.m. Pacific, 7:30 a.m. Central and 8:30 a.m. Eastern on the same calendar date. Japan does not observe daylight saving time, while these U.S. conversions reflect daylight time in effect on September 9, 2026.

Yuki Kaji, the Japanese voice of Eren Yeager, will appear with Mikasa voice actor Yui Ishikawa and Armin voice actor Hiro Shimono. The announcement presents them as livestream guests, but it does not provide an English-language simulcast, translated captions, runtime or replay policy.

Where can you watch the livestream?

The official streaming platform has not been announced. Neither the Japanese franchise notice nor Animate International’s English translation names YouTube, X, TikTok or another service. The safest route is to watch the official Attack on Titan website and the @anime_shingeki account for a direct viewing link.

Fans should also check the time and date on the eventual platform page before setting a reminder. A reposted graphic may omit the time zone, and an unofficial fan stream may not carry the program legally. Pixel Twelve will not label a service as the host until the franchise publishes it.

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How does the 99-hour manga offer work?

Magazine Pocket plans to make 99 chapters available free for 99 hours. The official Japanese window runs from September 9 at 00:00 JST through September 13 at 02:59 JST. In U.S. Central time, that is September 8 at 10:00 a.m. through September 12 at 12:59 p.m.

The campaign covers chapters 1 through 99 rather than the complete 139-chapter manga. The announcement points readers to Kodansha’s Magazine Pocket service, but it does not confirm worldwide availability, an English edition or identical access in every region. Readers outside Japan should verify the app or web page that appears in their own territory.

What merchandise is part of Attack on Titan Day?

New goods using the Attack on Titan Day commemorative visual are scheduled to go on sale September 9. A separate set uses new Hajime Isayama artwork showing Eren, Levi and Erwin in formalwear. The official notice previews both ranges but does not turn the livestream itself into a product launch.

Availability, shipping destinations and purchase limits can vary by storefront. Fans should rely on the product pages linked by the official franchise account once sales open instead of assuming that every item ships internationally or remains permanently stocked.

Does Attack on Titan Day mean a new anime is coming?

No new anime has been confirmed. The anniversary announcement says the franchise will share information and projects around Attack on Titan Day, but that wording does not confirm a sequel, spinoff, movie, or new anime project. It also does not promise that the September 9 livestream will contain a reveal.

The television story concluded with The Final Season in autumn 2023 after 94 episodes. WIT Studio produced Seasons 1 through 3, and MAPPA produced the fourth and final season. Fans looking for the established series, its studios and current status can use Pixel Twelve’s Attack on Titan profile without treating an anniversary event as a production announcement.

What should fans check before September 9?

  • Livestream link: wait for the official franchise site or @anime_shingeki account to name the platform.
  • Local time: confirm the event page shows 21:30 JST and the correct conversion for your location.
  • Manga access: verify whether Magazine Pocket offers the campaign, language and chapters in your region.
  • Store terms: read the official product listing for stock, purchase limits, shipping and sale timing.

The Attack on Titan anime page records the completed adaptation and official series context. The Anime hub collects Pixel Twelve’s current coverage. For September 9 itself, the confirmed value is straightforward: an official commemorative date, a cast livestream, 99 chapters for 99 hours and new goods — with no unannounced anime project added to that list.