Kalender (Calendar)

A full calendar app with month, week, day, and agenda views. Supports recurring events, multiple calendars, and German holidays.

Topbar-Schnellzugriff (v4.1)

Ein Klick auf die Uhrzeit in der Topbar oeffnet ein Mini-Kalender-Popover mit Monatsgitter und Tages-Agenda. Siehe Topbar-Popovers.

Views

View	Description
Monat	7x6 grid with events as colored chips
Woche	7-column hour grid (0-24h), events as positioned blocks
Tag	Single-column hour grid with detail panel
Agenda	Chronological event list with day headers

Features

• Multiple calendars — Persoenlich, Arbeit, Geburtstage, Feiertage, custom
• Color-coded — Each calendar has its own color, per-event override possible
• Recurring events — Daily, weekly, biweekly, monthly, yearly with RRULE support
• Recurrence editing — Edit single occurrence, future occurrences, or all
• Reminders — 5min, 15min, 30min, 1h, 1 day before (Browser Notification API)
• Ganztaegig — All-day event toggle
• Quick-create — Click on empty timeslot to create event
• Kalenderwochen — ISO 8601 week numbers displayed
• Mini-calendar — Sidebar navigation calendar
• Deutsche Feiertage — German public holidays pre-loaded
• Search — Find events by title, location, or description
• ICS import/export — Standard calendar format support

Recurring Events

The calendar includes a lightweight RRULE parser (RFC 5545 subset):

Rule	Example
FREQ=DAILY	Every day
FREQ=WEEKLY;BYDAY=MO,WE,FR	Mon, Wed, Fri
FREQ=MONTHLY;BYMONTHDAY=15	15th of each month
FREQ=YEARLY	Annually
INTERVAL=2	Every 2nd occurrence
COUNT=10	Stop after 10 occurrences
UNTIL=2026-12-31	Stop at date

Exceptions (deleted or modified single occurrences) are stored separately via EXDATE.

v3.12 Updates v3.12

ICS Import

Import .ics-Dateien (iCalendar-Format) per Drag-and-Drop oder Datei-Dialog:

• RFC 5545 Parser — Parst VEVENT-Bloecke mit SUMMARY, DTSTART, DTEND, RRULE, EXDATE, DESCRIPTION, LOCATION
• Drag-and-Drop — .ics-Dateien direkt in die Kalenderansicht ziehen
• Duplikat-Erkennung — Erkennt bereits importierte Events anhand von UID und ueberspringt Duplikate
• Batch-Import — Unterstuetzt Dateien mit mehreren Events
• Kalender-Auswahl — Ziel-Kalender waehlen vor dem Import

EXDATE Bugfix

Ausnahmen bei wiederkehrenden Terminen (EXDATE-Eigenschaft) werden jetzt korrekt verarbeitet. Einzelne geloeschte Vorkommen einer Serie erscheinen nicht mehr in der Ansicht.

Aurora Tools

Tool	Description
list_calendar_events	List events in a date range
create_calendar_event	Create a new event
delete_calendar_event	Delete an event
search_calendar_events	Search events by title or location

File Type Associations

• .ics / .ical — Opens in Kalender for import

Data Sync

• ~/Dokumente/Kalender/Naechste-30-Tage.md — Upcoming events grouped by day