The hours are 5AM-12AM.
Dubai airport is open 24 hours a day, 365 days a year - as are the duty free shops
Duty free stores are non regulated as far as hours they are open 24/7
Most shopping malls close at 10 to 11pm. Dubai Duty Free at the airport is itself a magnificient shopping mall, open 24x7.
JFK airport is open for business. It would take a very severe event to close it.
At present 2. Bristol Airport (BRS) and Filton Airport (FZO). Bristol Airport is the only commercial airport open to the general public. Filton Airport is due to close for good in December 2012.
Yes, the Orlando airport is open 24 hours.
Yes, Newark Airport is currently open for operations.
Yes, Oakland Airport is open 24 hours.
With my knowledge, Tampa International Airport is open 24/7.
Yes, Newark Airport is open 24 hours a day.
Yes, I have gotten through the airport with an open dip can plenty of times.
Manchester Airport is currently open.