Originally Posted by
deadinabsentia
Must be same day.. not 24hrs in HKG..
0000 till 2359 same day.
I've often had a connection @ 0010 or there about.. no refund.
The "same day" requirement is only applicable if the pax leaves airside.
http://www.cad.gov.hk/english/apdt_exempt.html states "For those passengers who are in transit at Hong Kong International Airport and have not passed through Hong Kong's arrival immigration controls, there is no "same day" requirement for the exemption."