You don't need to put a specific date ironmonger....these are the instructions I gave someone else......but I've filled in the details for your certificate...
He was born Birmingham Q4 Volume 6d page 103
Go to the certificate site and login
Go down the options and click the birth certificate box.
Go down to the bottom and where it says..Is the General Register Office Index known click Yes
In the year box type 1856
Press submit
On the next screen just check that your personal details, name, address etc are right
and press submit
On the next screen fill in the name as requested
In the Quarter box select Oct, Nov, Dec from the drop-down
In District type Birmingham
Volume type 6d
Page type 103
You don't need to check anything elso so just scroll down and press submit
This will then take you to a page which shows what is in your basket, you can add more certificates or go to checkout.....then just follow the payment instructions.