Historical clue formulations

• When some morning shows start — 2022-10-29
• Paper route hour, maybe — 2021-04-04
• Schoolteacher's wake-up time, perhaps — 2018-12-04
• It comes a quarter of the way into the day — 2018-01-24
• When hands are extended straight up and down — 2013-10-26
• Midpoint of morning watch — 2010-08-13
• Early morning hour — 2010-06-28
• When some morning news programs begin — 2009-05-26
• Early time to rise — 2007-11-07
• Alarm clock setting, perhaps — 2002-11-04
• Alarm time, for some — 2000-02-06