edited: Sorted the problem. Seems to have something to do with being connected to our wireless network at home. My partner's older iphone doesn't have this problem, but mine does for some reason. Once I disconnected from the wireless, the time was correct.
When I come home, my iPhone time goes back two hours (so if it is 9 o'clock, my phone turns to 7 o'clock in the apartment). When I walk about 20 feet outside of our apartment, the iPhone goes back to normal time. My partner's iPhone also suffers an extreme delay (anywhere from 30 minutes to an...