Inspector Simon Young said: “We are appealing for anyone who may have seen Daniel after he left home.
"He has not been in contact with his family or friends since then and may be in a distressed state which is why we are concerned about his welfare.”
“We have done everything possible to find Daniel since he was reported missing but have not been able to locate him.
"We are now appealing to the public to get in touch immediately if they see him or know where he may be.”
Anyone who sees Daniel is asked to contact Kent Police on 101, giving reference 22-0299.
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It happened while he was crossing Naseby Road just before 4pm on Wednesday 13th December. The driver of the car was not injured.
Thursday early forecast for the west of the region
Thursday early forecast for the east of the region