Do you want to keep your appointments strictly private on your smartphone without sharing them with a cloud service (like Google or Outlook)? Here is how local calendars work in aCalendar and what you need to keep in mind.

1

What is a local calendar?

A local calendar saves all your events exclusively within the calendar database directly on your Android device.

Warning – No Cloud Sync: Because this data is not connected to the internet, it will not automatically sync with Google, Outlook, or other devices. If you lose your smartphone or it gets damaged, this data will be permanently lost without a prior backup.

2

Creating a local calendar

You can easily set up a new, strictly local calendar right within the app:

1

Open Calendar List

Tap the Menu ☰ (top left) and select Manage Calendars.

2

Add New Calendar

Tap the Plus icon (+) in the bottom right corner.

3

Select "Local Calendar"

Choose the Local Calendar option, give it a name and a color, and confirm to save it.

3

Important: Data Backup

Since aCalendar is not a cloud service and does not store your calendar data on its own servers, local calendars cannot be backed up by the app automatically. To keep your data safe, please ensure you use one of the following methods:

Android System Backup

Make sure that your phone's global cloud backup (e.g. your manufacturer's backup service) is active in your Android system settings. This usually includes the device's internal calendar database where local calendars reside.

Third-Party Backup Apps

To avoid losing data if your phone breaks, you can use specialized third-party backup applications from the Google Play Store to regularly export and save your calendar database (.ics files) to an external drive or SD card.

4

Synchronization with a PC

If you want to sync your local events with your computer (e.g., Outlook or Thunderbird) without using a major cloud provider, you can use third-party tools:

Local Synchronization Software

Specialized programs (such as MyPhoneExplorer or other third-party software) can establish a direct connection between your computer and the Android calendar database via USB, Wi-Fi, or Bluetooth. aCalendar will then automatically display these synced events.