Event | Date | Time | Years Ago |
---|---|---|---|
Big Bang | Jan. 1 | 12:00 AM | 13,700,000,000 yr |
CMB forms | Jan. 1 | 12:10:30 AM | 13,699,700,000 yr |
Galaxies form | Jan. 24 | 12:00 AM | 12,700,000,000 yr |
Sun forms | Sept. 13 | noon | 4,500,000,000 yr |
Earth forms | Sept. 13 | 12:17 PM | 4,400,000,000 yr |
1st life appears | Oct. 24 | 8:48 PM | 2,800,000,000 yr |
1st higher forms | Dec. 19 | 3:07 AM | 570,000,000 yr |
1st land animals | Dec. 25 | 4:29 AM | 280,000,000 yr |
1st dinosaurs | Dec. 26 | 12:36 PM | 225,000,000 yr |
Dinos Rule! | Dec. 28 | 4:34 PM | 136,000,000 yr |
Dinos Die! | Dec. 29 | 10:02 PM | 65,000,000 yr |
Earliest "human" | Dec. 31 | 9:05 PM | 5,000,000 yr |
Neanderthal - CM | Dec. 31 | 11:50 PM | 300,000 yr |
Last Ice Age | Dec. 31 | 11:59:37 PM | 11,000 yr |
Pyramids | Dec. 31 | 11:59:53 PM | 3,500 yr |
USA | Dec. 31 | 11:59:59.6 PM | 220 yr |
You | Dec. 31 | 11:59:59.96 PM | 20 yr |
In the table above, the time from the Big Bang until today is compressed into one year; it is a scale model of the time history of universe with a scale of 1/13,700,000,000. Adapted from The Evolution of Life, by Frank H.T. Rhodes.