Correcting the chimes in Smiths Striking clock?

How can I realign the number of chimes from a Smiths 8-Day striking clock with the time - at present the chimes are 5 hours ahead of the time - so when the hour hand is at 5 o'clock it strikes 10 etc.
Tim, September 2021


done
Remove the movement and realign the hour hand

Whehdh, September 2021