Does Filipinos need a visa for connecting flight to Los Angeles?

Hi my parents are filipinos and are travelling to los angeles. They will leave MNL and arrive at CHina Ghuangzhou at 8 pm. They have a connecting flight to Los Angeles the next day at 12:30 pm. Do they need an entry permitto check in at a hotel? If they only stay overnight the airport do they need an entry permit? Pls let me know. Thank you.