When it is half past the hour, the hour hand is halfway between one number and the next number. Here is an analogue clock. The short hand is the 'hour hand' and the long hand is the 'minute hand'.

At half-past ten you should lay the table in the ... Afternoon Duties Your duties resume at one o'clock when you must begin washing up after the Servants' Dinner, and the Family's Luncheon.

When it is half past the hour, the hour hand is halfway between one number and the next number. Here is an analogue clock. The short hand is the 'hour hand' and the long hand is the 'minute hand'.