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