"I believe that some formal ceremonies can last for several hours."
The ceremony he attended lasted three days, taking place in the interior of the sanctuary.
Overall, the ceremony lasted two hours and featured six speakers.
This year, the ceremonies will last less than four hours.
It seems likely that the ceremony lasted seven days.
The whole ceremony usually lasts only ten or fifteen minutes.
The ceremony had lasted no more than ten minutes.
The civil ceremony he performs lasts about 10 minutes, under ideal conditions.
The entire ceremony lasted only three minutes in the cold, damp weather.
The ceremony lasts three days; on the second morning a mock battle is performed.
