
Jirapa Chindanurak posted photos of the baby on Facebook, saying her sister had found the infant in front of Wat Boonyapradit on Buddha Monthon 2 Road.
Jirapa said the baby was in a plastic shopping bag placed in a garbage bin.
By noon Friday, 21 hours after it appeared, her post had been shared 117,900 times and drawn 94,000 reactions.
Jirapa said a many people had expressed interest via Facebook in adopting the girl.
For now, she’s in the care of Ratpipat Hospital.
Jirapa said Pol Capt Passakorn Chaisiri, deputy inspector of Lak Song police, was trying to track down the mother or father, who would face charges of endangering a child.