Don't know which battery is bad

Your 12v auxiliary battery has likely failed. The symptoms you describe about the clock and radio are indicative of a loss of 12v power. Once the 12v battery has become discharged, even if the battery is good, it will take many hours to recharge if you leave the car in READY. If it's bad, it will never reach a good state of charge and will continue to leave you stranded.

I believe your battery should be a S46B24R model. It's available at dealerships, most Walmarts and NAPA parts stores.

 

If it were a hybrid battery problem, there would be no way that a 12V jump start would work. So the problem must be in the 12V system.

The 12V battery itself is the first suspect, but not the only possible culprit. Loose connections, and excess drain from 12V accessories, or items (especially aftermarket accessories) somehow unintentionally left turned on, are also potential culprits.

 

Especially if it hasn't been check or replaced in the last 5 years. You'll need to replace it with a sealed AGM battery, since it resides in the passenger compartment in the car.