16+ One Day Travel card for all trains how much please help?

i wana know how much is it is if i want to trvale london trains for the whole day with one day travel card.
im 16+ and have a 16+ oyster.
please help
for zones 4 to out of zones

i want to use between 9 9 in the morning and 7 in the evening please

One day travelcard prices depend on zones and peak or off peak times, check the fares page on tfl.gov.uk