1 E4 s

This page lists times between 10⁴ seconds and 10⁵ seconds (approximately 2.78 hours and 27.8 hours).

• shorter times
• 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
• 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