Historical clue formulations

• On-schedule — 2026-09-23
• Occurring at an appropriate moment — 2026-02-04
• Of the moment — 2022-03-26
• At just the right moment — 2021-03-29
• On-schedule — 2016-03-31
• Opportune — 2014-07-26
• Opportune — 2009-11-29
• Opportune — 2009-09-07
• Seasonable — 2002-11-21
• Opportune — 1998-11-08
• Punctual — 1996-02-12