# Calendarium Maximum

> A rich New Tab page with date, moon phase, sun times, zodiac, name days, holidays, folk sayings, alternate calendars and optional Wikipedia "on this day" content — ported from the calendarium@kami911 Cinnamon desklet.

Canonical page: [https://chrome-stats.com/d/calendarium-maximum](https://chrome-stats.com/d/calendarium-maximum)

## Overview

- **ID:** `calendarium-maximum`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** KAMI
- **Category:** appearance
- **Version:** 0.5.0
- **Last updated:** 2026-08-17
- **First published:** 2026-08-14
- **Size:** 360 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/calendarium-maximum/)

## Rankings

- #138,677 — Overall
- #218 — calendar

## Permissions and access

### Permissions

- `storage`
- `alarms`
- `search`
- `menus`
- `theme`

## Safety

- **Risk impact:** Low risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Can change homepage settings, which might annoy the user but typically carries low risk.
- This extension was recently updated in the past month. New updates may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

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- [Moonwatch](https://chrome-stats.com/d/moon_watch) — 6 users
- [New Tab Clock Calendar Tool](https://chrome-stats.com/d/new-tab-clock-calendar-tool)
- [New Tab Clock Calendar X](https://chrome-stats.com/d/new-tab-clock-calendar-x)
- [ArzDigital](https://chrome-stats.com/d/arzdigital1) — 645 users, 4.67 / 5
- [Date Planner](https://chrome-stats.com/d/date-planner) — 28 users
- [Tablings Dynamic](https://chrome-stats.com/d/tablings-dynamic)
- [Zodiaque](https://chrome-stats.com/d/astral_zodiaque) — 7 users, 4.60 / 5
- [Astronomy Calendar for celestial events](https://chrome-stats.com/d/astronomy-calendar) — 28 users, 4.83 / 5

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Source: [Chrome-Stats](https://chrome-stats.com/d/calendarium-maximum)