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To help compare orders of magnitude of different times this page lists times between 104 seconds and 105 seconds (approximately 2.78 hours and 27.8 hours). See also times of other orders of magnitude.
- shorter times
- 10,379 seconds = 2 hours 52 minutes 59 seconds = the length of the record New York–London Concorde flight
- 19,872 seconds = 5.52 hours – half-life of mendelevium-257
- 25,200 seconds = 7 hours – one work day in France.
- 28,800 seconds = 8 hours – one work day in many Western countries
- 28,800 seconds = 8 hours – common human daily need for sleep
- 36,000 seconds = 10 hours – one work day in ancient Egypt, according to the oldest definition of an hour
- 37,296 seconds = 10.36 hours – half-life of erbium-165
- 54,000 seconds = 15 hours – approximate length of Wagner's opera cycle Der Ring des Nibelungen
- 72,606 seconds = 20 hours 10 minutes 6 seconds – the world record of human standing motionlessly as of 2005 [1]
- 80,100 seconds = 22.25 hours – approximate time taken to solve the DES Challenge III of RSA on January 18 - 19, 1999[2]
- 86,164 seconds = 23 hours 56 minutes 4 seconds – time for Earth’s rotation around its axis
- 86,400 seconds = 24 hours = one day
- 91,404 seconds = 25.39 hours – half-life of fermium-252
- longer times
