2020 January Calendar of Events (Adjustments to Rare Quests Dates made. Revision date 1/7/2020) : EmpiresAndPuzzles
2020 APRIL Calendar of Events (04/01/2020 Revised the Rare Quest Dates since Farholme Pass is now up) : EmpiresAndPuzzles
Empires And Puzzles Calendar | Calendar for Planning
2020 February Calendar of Events (02/17/2020 Revised remaining Rare Quests Dates since Mount Umber was released today. Also fixed the date for Atlantis Rises in the Coming Next Month box) : EmpiresAndPuzzles
2021 TENTATIVE May Calendar (Events, Trials, Rare Quests, Tavern Of Legends, Ninja Tower, Masquerade, Atlantis, Valhalla, S4: Voyagers Of The Underwild, and Mythic Titans) - Player Guides - Empires & Puzzles Community Forum
RARE Quests - Reference Thread - Check spreadsheet for more details - General Discussion - Empires & Puzzles Community Forum