Different times give you different things!
Click on the "Approach the shrine button" at these times to get the item/upgrade that you want. Choose carefully and try to set the clock on your computer to Neopian time (Pacific Time) it helps when lookiing at the computer for times.
Speed: Every fifth second of the hour
Defense: Every tenth second of the hour
Strength: Every thirty minutes of the hour
Endurance: Every hour of the day
Level: Every even (2, 4, 6, ...) hour of the day
Burnt Food: 11:00 - 12:00 NST
Dubloons: Every 55 seconds past the minute
10 Strength Points: Every 30 minutes past the hour (must be right to the second!)