---
title: "13 Months, a Complete Ethiopian Calendar – Chrome extension stats, history and permissions"
description: "422 users, rated 4.87 by 23 people. Version 3.0, updated 2026-01-17. Requests 1 permission."
url: "https://extensiontracker.com/extension/ondhkkolbekkggkoaealjellfcoecima"
---

# 13 Months, a Complete Ethiopian Calendar

Live in the Chrome Web Store.

- Users: 422
- Rating: 4.87 from 23 ratings
- Last checked: 2026-09-27 07:05 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #36,533 of 264,702 live extensions
- Rank in Tools: #10,325 of 103,498

## The listing

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

Summary from the listing:

> An Ethiopian calendar which has so many features including conversion, hollyday markings and so much more

- Extension ID: `ondhkkolbekkggkoaealjellfcoecima`
- Developer: [Sinishaw Kassa](https://extensiontracker.com/developer/ua3d994cdcafd826c930156b97c357f30)
- Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools)
- First published: 2015-08-26
- Last updated: 2026-01-17
- Version: `3.0`
- Size: 1.81 MiB
- Minimum Chrome: 88
- Languages (1): English
- Chrome Web Store: <https://chromewebstore.google.com/detail/13-months-a-complete-ethi/ondhkkolbekkggkoaealjellfcoecima>
- View the code or download the CRX, in CRX Peek: <https://crxpeek.com/?id=ondhkkolbekkggkoaealjellfcoecima>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 422 | 4.87 | 23 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## What it can access

From the extension's manifest, in plain language.

### Browser features

- `activeTab`: The tab you're on, only after you click the extension

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Gojo Amharic Typing](https://extensiontracker.com/extension/pnjifcmkdabejeicddhfadpeghcmkolf) | 122 | 5.00 | 1 | Tools |

All 2 extensions by [Sinishaw Kassa](https://extensiontracker.com/developer/ua3d994cdcafd826c930156b97c357f30).

## 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 2026-09-27 07:05 UTC; next check around 2026-10-11.

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

## Cite this page

Extension Tracker. “13 Months, a Complete Ethiopian Calendar” (ondhkkolbekkggkoaealjellfcoecima). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/ondhkkolbekkggkoaealjellfcoecima. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_ondhkkolbekkggkoaealjellfcoecima,
  title   = {13 Months, a Complete Ethiopian Calendar (ondhkkolbekkggkoaealjellfcoecima)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/ondhkkolbekkggkoaealjellfcoecima},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/ondhkkolbekkggkoaealjellfcoecima>. 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. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.