Historical clue formulations

• Part of un jour — 2017-01-15
• 1/24 of un jour — 2014-03-25
• 1/24 of un jour — 2013-06-30
• Part of un jour — 2012-06-07
• 3,600 secondes — 2010-09-11
• Soixante minutes — 2008-09-04
• Time with monsieur — 1994-11-25
• Soixante minutes — 1994-10-09