Calendarium - About this Day 1.8.4

Piotr Knapczyk – Freeware – iOS
out of 2142 votes

Discover the Significance of Every Day with Calendarium

David Fischer

05/05/2025

Calendarium is an engaging application that brings historical events, holidays, and notable birthdays to life, allowing users to explore the significance of each day in a beautifully designed interface.

Calendarium is a new and user-friendly calendar that offers a unique way to explore fascinating details about each day.

This app combines a calendar of historical events with information such as sunrise/sunset times, week numbers, day length, moon phases, and more.

Here's what some of our users have to say:

"Fascinating!" - Snaarl
"It is a great way to see the history of the day. I always learn something new." - Nancy Rohe
"Use this app every day! Fun to learn new info from a wide time range of history." - M1d2i3v4
"This is a trivia nerd's Nirvana, and a history buff's Beulah! Bravo! to the developers of this app!" - jmhillpresley

Some notable achievements of Calendarium:

#1 App in 3 Countries
#1 Reference App in 40 Countries
Over half a million downloads

The app offers the following features:

On this day in history - Discover historical events and holidays and share them with your friends via mail, Twitter, Facebook, or text message
Sunrise and sunset times
Planets View - Shows how all planets of the solar system are aligned right now
Week number, day number, weekday, and year
Number of days passed from January 1st and days left until December 31st
Moon phase
Day length
Geographic coordinates
No Internet connection required

Please note that Calendarium uses your location solely to provide accurate information about sunrise, sunset times, and the length of the day. We do not store this information in any way. Disabling location settings will only affect these specific features.

Overview

Calendarium - About this Day is a Freeware software in the category Education developed by Piotr Knapczyk.

The latest version of Calendarium - About this Day is 1.8.4, released on 10/08/2023. It was initially added to our database on 10/08/2023.

Calendarium - About this Day runs on the following operating systems: iOS.

Users of Calendarium - About this Day gave it a rating of 5 out of 5 stars.

FAQ

What is 'Calendarium - About this Day'?

'Calendarium - About this Day' is a daily planner and calendar application created by Piotr Knapczyk that provides users with information about historical events, anniversaries, and notable occurrences for each day.

How does the app work?

The app works by presenting daily entries that include significant historical events, birthdays, and other notable facts, allowing users to learn something new every day.

Is 'Calendarium' available on multiple platforms?

Yes, 'Calendarium' is available on various platforms including iOS, Android, and web applications.

Can I customize my daily notifications?

Yes, users can customize notifications to receive reminders and alerts for specific dates or events they wish to remember.

Is there a premium version of 'Calendarium'?

Yes, there is a premium version that offers additional features such as enhanced customization options and ad-free browsing.

How frequently is the content updated?

The content of 'Calendarium' is regularly updated to ensure that users have access to the most current historical information and events.

Is the app user-friendly for all ages?

Yes, 'Calendarium - About this Day' is designed to be user-friendly and accessible for individuals of all ages.

Can I share events or facts from the app on social media?

Yes, users can easily share interesting events or facts directly from the app to their social media accounts.

What features make 'Calendarium' stand out from other calendar apps?

'Calendarium' stands out due to its focus on historical events and educational content for each day, enhancing user engagement with unique trivia and information.

Is there customer support available if I encounter issues with the app?

Yes, customer support is available to assist users with any issues or inquiries regarding 'Calendarium - About this Day'.

David Fischer

I am a technology writer for UpdateStar, covering software, security, and privacy as well as research and innovation in information security. I worked as an editor for German computer magazines for more than a decade before joining the UpdateStar team. With over a decade of editorial experience in the tech industry, I bring a wealth of knowledge and expertise to my current role at UpdateStar. At UpdateStar, I focus on the critical areas of software, security, and privacy, ensuring our readers stay informed about the latest developments and best practices.

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