Time is marked across the Prime Material Plane utilizing the calendar of Harptos. Time is marked by 365-day years, with 12 30-day months and 5 special holidays. The months are as follows: | Elysion Name | Nickname | Corresponds to | | ------------ | ---------------------- | -------------- | | Hammer | Deepwinter | January / 01 | | Alturiak | The Claw of the Cold | February / 02 | | Ches | The Claw of Sunsets | March / 03 | | Tarsakh | The Claw of the Storms | April / 04 | | Mirtul | The Melting | May / 05 | | Kythorn | The Time of Flowers | June / 06 | | Flamerule | Summertide | July / 07 | | Eleasis | Highsun | August / 08 | | Eleint | The Fading | September / 09 | | Marpenoth | Leaffall | October / 10 | | Uktar | The Rotting | November / 11 | | Nightal | The Drawing Down | December / 12 | In Elysion