@sceetch
Goodmorning,

Yes you must ad de calendar module two times.

{ module: "calendar", header: "Calendar_1", position: "top_left", config: { calendars: [ { symbol: "calendar-check", maximumNumberOfDays: '3', maximumEntries:'3', url: "her your 1e url" } ] }}, { module: "calendar", header: "Calandar_2", position: "top_left", config: { calendars: [ { symbol: 'calendar-check', maximumNumberOfDays: '2', maximumEntries:'3', url: "and the second url" } ] }},

Goodluck