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Time

Just how long is 1 hour?

A duration of 1 hour is 3,600 seconds.

A day in the life

1 h

Scale

ELAPSED TIME

1 hour

Time conversions use a Julian year of exactly 365.25 days.

1 hTime
0
A feature film

A feature film is a motion picture created to tell a complete story for viewers.

2 hTime
0
Both timelines start together. Length measures elapsed time, not a physical distance.

A little perspective

The duration of a feature film is about 2 times 1 hour.

Measurements, assumptions & sources +

1 hour

Time: 1 h; definition.

Time conversions use a Julian year of exactly 365.25 days.

NIST — SI conversion factors

A feature film

Time: 2 h; reference interval.

A defined two-hour film.

Defined examples — our methodology

The marked time is calibrated. Unmeasured illustration details are representative.

Measurement details

Why these numbers?

Compare 1 hour with the duration of a feature film. The notes below explain how each value was chosen.

1 hour

1 h

Time · definition

Time conversions use a Julian year of exactly 365.25 days.

Comparing
Time ↔ Time
Relative size
The duration of a feature film is about 2 times 1 hour. The duration of a feature film is approximately 100% greater than 1 hour.

How to read the visual

The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.

  • The duration of a feature film: The measurement is labelled reference interval. Check the source notes for its basis.

A duration is an interval, not a calendar date.

3,600 sseconds
0.041667 daysdays
0.00011408 yearsyears

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