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Android Calendar

31/10/2025 Friday

Android Calendar is the built-in system calendar on Android phones that is used to sync users' schedules when using multiple accounts (Google, for instance). It stores calendars, events, reminders, attendees, and creates instances of repeating events - useful for helping reconstruct timelines and account use.

Digital Forensics Values of Android Calendar

This artifact allows the user to identify the device's calendar accounts and settings, as well as events. Individual instances of recurring meetings can be scheduled using the "instances" feature.

Location of Android Calendar Artifacts

Android Calendar artifacts can be found at the following location:

/data/data/com.android.providers.calendar/databases/calendar.db

According to the provider source of Android, the database name is calendar.db, and device paths are according to the standard app-private data layout under com.android.providers.calendar.

Analyzing Android Calendar Artifact with ArtiFast

This section will discuss how to use ArtiFast to extract Android Calendar artifacts from Android devices’’ files and what kind of digital forensics insights we can gain from the artifacts.

After you have created your case and added evidence for the investigation, at the Artifact Selection phase, you can select Android Calendar artifact parsers:

Once ArtiFast parsers plugins complete processing the artifact for analysis, it can be reviewed via “Artifact View” or “Timeline View,” with indexing, filtering, and searching capabilities. Below is a detailed description of Android Calendar artifacts in ArtiFast.

Android Calendar

• Visible: Indicates whether this calendar is shown in apps.
• Is Primary: Indicates whether this calendar is the default calendar for this account.
• Account Type: The provider of the calendar (e.g., com.google).
• Account Name: The name/email of the account associated with the calendar.
• Timezone: The calendar’s default time zone.
• Sync Events: Sync enabled for this calendar (1 = on).
• ID: Local calendar identifier.
• Can Partially Update: Server supports partial event updates (PATCH).
• Owner Account: Account that owns the calendar (often the same as Account Name).
• Name: Internal/backend calendar name.
• Can Modify Timezone: User allowed to change the calendar time zone.
• Calendar Display Name: User-visible name of the calendar.
• Access Level: Permission level on this calendar.
• Max Reminders: Max number of reminders allowed per event.
• Deleted: Soft-deletion flag for the calendar (1 = deleted/trashed).
• Can Organize Respond: The organizer is allowed to send RSVP responses for events.

Android Calendar Events

• Title: The event title.
• Event Start Date: The start timestamp.
• End Date: The end timestamp.
• Event Timezone: The timezone for event times.
• Event Location: The location string.
• Organizer: The event organizer.
• Is Organizer: The device account is the organizer.
• Self Attendee Status: The user’s RSVP status.
• Event Status: tentative/confirmed/canceled.
• Availability: The free/busy setting.
• Has Alarm: The event has reminders.
• UID2445: Global iCalendar UID (cross-device link).

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