Historical clue formulations

• Periods after Mardi Gras — 2017-08-08
• Temporary quitting times? — 2016-07-22
• Periods of forbearance — 2015-04-24
• Spring times — 2010-11-19
• Fast times? — 2010-03-21
• Christian observances — 2006-06-23
• Fasting times — 2006-02-14
• Spring times — 2004-03-13
• Periods of penitence — 2001-04-09
• Fast times — 1997-09-19