کیلنڈر Integrated calendar component of Thunderbird تمام تمام مضامین اور تھریڈز انگریزی میں Creating New Calendars Adding a holiday calendar Creating a new event or task Changing calendar preferences Lightning User Interface Configuring Lightning Exporting and sharing a calendar Changing the Date or Time of an Event Inviting Other People to Events Creating a recurring event Lightning Articles Enable email invitations for CalDAV servers configured to do serverside scheduling Calendar updates issues with Thunderbird