1 million years
1 MyrTime · definition
Time conversions use a Julian year of exactly 365.25 days.
Time
Just how long is 1 million years?
A duration of 1 million years is 3.15576 × 10¹³ seconds.
Human history
1 Myr
ELAPSED TIME
1 million years
Time conversions use a Julian year of exactly 365.25 days.
1 MyrTime
0
Since the non-avian dinosaurs
The interval since the non-avian dinosaurs marks the time since these dinosaurs disappeared from Earth.
66 MyrTime
0
Both timelines start together. Length measures elapsed time, not a physical distance.
A little perspective
The time since the extinction of the non-avian dinosaurs is about 66 times 1 million years.
Measurements, assumptions & sources +
1 million years
Time: 1 Myr; definition.
Time conversions use a Julian year of exactly 365.25 days.
Since the non-avian dinosaurs
Time: 66 Myr; reference interval.
A rounded 66 million-year geological interval.
Defined examples — our methodology
The marked time is calibrated. Unmeasured illustration details are representative.
Measurement details
Why these numbers?
Compare 1 million years with the time since the extinction of the non-avian dinosaurs. The notes below explain how each value was chosen.
Since the non-avian dinosaurs
66 MyrTime · reference interval
A rounded 66 million-year geological interval.
- Comparing
- Time ↔ Time
- Relative size
- The time since the extinction of the non-avian dinosaurs is about 66 times 1 million years.
How to read the visual
The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.
- The time since the extinction of the non-avian dinosaurs: The measurement is labelled reference interval. Check the source notes for its basis.
A duration is an interval, not a calendar date.
3.1558 × 10¹³ sseconds
8.766 × 10⁹ hhours
365,250,000 daysdays
1,000,000 yearsyears
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