Clock position on day 60th?

Question

A camera is set at an object and first photo taken at 1:00am and every 9 hours after that for 60 days.

 

The first 3 notes times are 1,10 and 7 without reference to am or pm. 

 

What is the time of the last photograph on day 60th? 

Answer 1

The first day, photos are taken at 1 (am), 10 (am) and 7 (pm)

 

The second day, photos are taken at 4 (am), 1 (pm) and 10 (pm)

 

The third day, photos are taken at 7 (am) and 4 (pm)

 

The photos on the fourth day will be the same time as the first

 

The fifth day will be the same as the second, etc

 

The pattern repeats in this manner

 

so the 58th day will be like the first

 

the 59th day will be like the second

 

the 60th day will be like the third

 

The times will be at 7 am and the last at 4pm

 

Another tutor's opinion on this would be most welcome