---
title: "TUAT Sirius Calender Extension – Chrome extension stats, history and permissions"
description: "18 users, no ratings yet. Version 0.9.0, updated 2023-11-09. Requests 0 permissions."
url: "https://extensiontracker.com/extension/ddacnophhifabkfngjfdbfooadmmgjdl"
---

# TUAT Sirius Calender Extension

Live in the Chrome Web Store.

- Users: 18
- Rating: no ratings yet
- Last checked: 2026-11-06 06:26 UTC
- Users gained in 7 days: No change
- Users gained in 30 days: No change (+0.0%)
- Rank by users: #126,466 of 292,131 live extensions
- Rank in Education: #4,798 of 12,901

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> 東京農工大学のLMSの課題ページに「カレンダーに追加」ボタンを追加します．

- Extension ID: `ddacnophhifabkfngjfdbfooadmmgjdl`
- Developer: [Hayate Kojima](https://extensiontracker.com/developer/u15942951b380c1b4cc6fa0dd894325fc)
- Enhanced Safe Browsing: Trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Productivity › Education](https://extensiontracker.com/category/productivity/education)
- First published: 2023-11-09
- Last updated: 2023-11-09
- Version: `0.9.0`
- Size: 10.79 KiB
- Minimum Chrome: 88
- Languages (1): 日本語
- Chrome Web Store: <https://chromewebstore.google.com/detail/tuat-sirius-calender-exte/ddacnophhifabkfngjfdbfooadmmgjdl>
- View its code or download CRX: <https://crxpeek.com/extension/ddacnophhifabkfngjfdbfooadmmgjdl>
- Search Google for the ID: <https://www.google.com/search?q=%22ddacnophhifabkfngjfdbfooadmmgjdl%22&tbs=li:1>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-11-06 | 18 | – | – |
| 2026-10-09 | 18 | – | – |
| 2026-09-26 | 15 | – | – |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-26.

## Developer history

Moves to another publisher account and new contact emails, newest first.

No move to another account and no new contact email since tracking began on 2026-09-26.

We know contact emails only by a keyed hash, so they're never shown. Recent changes: [Account and contact changes](https://extensiontracker.com/owners/).

## What it can access

From the extension's manifest, in plain language.

### Sites where it runs scripts

- `https://lms.sirius.tuat.ac.jp/*`: lms.sirius.tuat.ac.jp

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [TUAT Autofill Extension](https://extensiontracker.com/extension/nnnckhaffpfnflhcgdhikjbkfdhnmode) | 1,000 | 5.00 | 4 | Education |

All 2 extensions by [Hayate Kojima](https://extensiontracker.com/developer/u15942951b380c1b4cc6fa0dd894325fc).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 2026-11-06 06:26 UTC; next check around 2026-12-04.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “TUAT Sirius Calender Extension” (ddacnophhifabkfngjfdbfooadmmgjdl). Chrome Web Store data, last checked 2026-11-06. https://extensiontracker.com/extension/ddacnophhifabkfngjfdbfooadmmgjdl. Accessed 2026-11-13.

```bibtex
@misc{extensiontracker_ddacnophhifabkfngjfdbfooadmmgjdl,
  title   = {TUAT Sirius Calender Extension (ddacnophhifabkfngjfdbfooadmmgjdl)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-06},
  url     = {https://extensiontracker.com/extension/ddacnophhifabkfngjfdbfooadmmgjdl},
  urldate = {2026-11-13}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/ddacnophhifabkfngjfdbfooadmmgjdl>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.