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Four Christmases - timeline
Wednesday 24th December: Bad fog grounds all flights in the San Francisco area, meaning Kate and Brad don't get to fly to Fiji for Christmas. A local news crew captures this moment, and Kate and Brad head home to their families. (San Francisco)
Thursday 25th December: Kate and Brad visit their four parents, all divorced, and go through four traumatic and yet somehow unfunny Christmases. (California)
Friday 1st January: Kate and Brad have a baby, the first to be born in the New Year in the local area. This is captured by a local news crew, thus informing their parents. (San Francisco)