Phone keeps changing date and it interfere with wifi calling

[521C]

why! Tried to get someone at Verizon today but no luck with phone, chat, and messaging! 

That phone answering is dirt! keeps saying things that are totally  irrelevant and honestly irritating.

[vzw_customer_support]

521C, we want to ensure your device is reflecting the correct date as expected. We just need some additional details. Which Galaxy device do you have? Is it set for Automatic date & time (network-provided time)? Had anything occurred on the device before this issue started?