at the top of the hour

at the top of the hour

At the start of the hour (such as 12:00, 3:00, etc.). And we'll cover that news story at the top of the hour.
See also: hour, of, top

at the top of the hour

Fig. at the exact beginning of an hour. (Alludes to the big hand on a clock pointing to the 12. Often heard on television or the radio. See also at the bottom of the hour.) Every class in my school starts at the top of the hour. Our next newscast will be at the top of the hour.
See also: hour, of, top
References in periodicals archive ?
FOMC began its 2-day meeting at the top of the hour. With a 25 bp easing is all but announced, the focus will be on Fed's guidance in its policy statement and Chair Powell's press conference.
Piers raised an eyebrow before saying: "Oh apparently we need to say, 'You're watching GMB at the top of the hour."
Both the American and Canadian Horseshoe Falls will be bathed with vibrant green light for 15-minute intervals at the top of the hour from 9 p.m.
Through Alexa, users will be able to hear full five-minute newscasts (those heard across the U.S., at the top of the hour, on CBS-owned and affiliate radio stations) and one-minute news capsules.
There will be a major interview at the top of the hour and a weekly feature where Sophy explores how the country is reacting to Westminster.
Twitter will be transmitting 60 to 120 seconds of video footage of the New Year's Eve celebrations at the top of the hour from the respective time zones in the world.
There will be 12 flights daily to London, with departures from Frankfurt at the top of the hour, plus 10 flights to Brussels - always at 25 minutes past the hour, and 13 flights daily to Vienna in unison with Austrian Airlines, departing at 10 minutes to the hour.
Flights depart at the top of the hour beginning at 7 a.m.
Three games will be played, each starting at the top of the hour, with the first beginning at 6pm.
FOMC started its meeting at the top of the hour, and will announce its decision at 14:00 ET Thursday.
There will be a major interview at the top of the hour and a weekly feature in which Sophy explores how the country is reacting to Westminster.
FOMC began its meeting at the top of the hour, and will announce the results Wednesday at 14:00 ET, to be followed by Chairman Powell's press conference at 14:30 ET.