My Fitbit does not want to synch

When I last synched my blaze, the time changed to an odd an incorrect time. When I press synch on my iPhone it starts synching but does not complete. Bluetooth is on on my iPhone and working. It also shows that it's connected to my Blaze. I tried to remove my Blaze from my phone and Add a Device. I get a 4-digit number on the Blaze, type it into my iPhone and 10 minutes later it's still "connecting to Fitbit.....". On fitbit's website it says that I should go into settings on the Blaze and ensure Bluetooth is on...there is no such option under settings. Help!