1, There's a bus every hour on the hour.

2, The bus here departs on the hour.

3, Buses leave every hour on the hour.

4, The London bus departs every hour on the hour.

5, There are flights to Boston every hour on the hour.

6, Hull were reduced to 12 men on the hour when Mark Jones was sent off for throwing a punch at Gary Tees.

7, If she was mine I'd be frisking her on the hour.

8, The combative veteran gave his side the lead on the hour, and then helped them to a flattering 3-0 win.

9, Every hour on the hour there we were, slaves to that teleprinter machine and its little bell.

10, Every hour on the hour a different doctor would walk into the room and put me through my paces.

11, These trains leave on the hour.

12, The inbound flights all leave on the hour.

13, The bus goes past the museum on the hour.

14, This is News on the Hour,(http://sentencedict.com/on the hour.html) Ed Wilson reporting.

15, The orders were given on the hour.

16, Father must take his pill on the hour.

17, The bus goes past the building on the hour.

18, The plane departs every hour on the hour.

19, You must take your pill on the hour.

20, Holidays: buses leave every hour on the hour time, each direction.

21, The miss looked significant when United equalised on the hour from the penalty spot.

22, From Dalian, the plane departs every hour on the hour from 8 a.m. until 9 p.m.

23, Does Radio Beijing broadcast the news every hour on the hour?

24, When Wayne Rooney equalized on the hour there was only jubilation.

25, What does it mean if the bus leaves on the hour?

26, From 8 a.m. to 4 a.m. the suburban buses leave every hour on the hour.

27, Penicillin therapy is very effective on condition that the injections are given promptly on the hour.

28, There is a fast express service that leaves London for Edinburgh every hour on the hour.