Historical clue formulations

• Like the days following Mardi Gras — 2022-05-06
• Like the pre-Easter season — 2013-09-17
• Kind of season — 2010-09-19
• Like the season before Easter — 2008-01-14
• Of fast times? — 2007-12-23
• In fast time? — 2000-01-13
• Austere — 1999-10-16
• Of the pre-Easter season — 1997-02-17