1e15 s

To help compare orders of magnitude of different times this page lists times between 10¹⁵ seconds and 10¹⁶ seconds (32 million years and 320 milion years)

• shorter times
• 36 million years -- time since beginning of Oligocene Epoch
• 36 million years -- time since end of Eocene Epoch
• 65 million years -- time since beginning of Tertiary Period (beginning of Cenozoic Era)
• 65 million years -- time since Cretaceous-Tertiary extinction event
• 65 million years -- time since end of Cretaceous Period (end of Mesozoic Era)
• 135 million years -- time since beginning of Cretaceous Period
• 135 million years -- time since end of Jurassic Period
• 195 million years -- time since beginning of Jurassic Period
• 195 million years -- time since end of Triassic Period
• 225 million years -- time since beginning of Triassic Period (beginning of Mesozoic Era)
• 225 million years -- time since end of Permiam? Period (end of Palaeozoic Era)
• 280 million years -- time since beginning of Permiam? Period
• 280 million years -- time since end of Carboniferous Period
• longer times