A tenday was a Faerûnian unit of time. The Calendar of Harptos divided the thirty-day months into three blocks of ten days each, or simply put, "tendays". The word was used interchangeably with the Earthly term "week".
- ↑ Ed Greenwood, Sean K. Reynolds, Skip Williams, Rob Heinsoo (June 2001). Forgotten Realms Campaign Setting 3rd edition. (Wizards of the Coast), p. 76. ISBN 0-7869-1836-5.
- ↑ Ed Greenwood (October 2012). Ed Greenwood Presents Elminster's Forgotten Realms. (Wizards of the Coast), p. 14. ISBN 0786960345.