No Other Day
Q. 9. Is there any other day holy besides this day? A. No day but this is holy by institution of the Lord; yet days of humiliation and thanksgiving may be lawfully set apart by men on a call of providence; but popish holidays are not warrantable, nor to be observed;
John Flavel, The Whole Works of the Reverend John Flavel, vol. 6 (London; Edinburgh; Dublin: W. Baynes and Son; Waugh and Innes; M. Keene, 1820), 234.