Convert 20 Second to Hour: 20 Second in Hour

20 Second = 0.0055555555555556 Hour

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How to convert 20 Second to Hour?

20 Second equal 0.0055555555555556 Hour.

Every 1 Second = 0.00027777777777778 Hour and so, 20 Second = 20 multiplied by 0.00027777777777778 = 0.0055555555555556 Hour.

Second

What is the second?

The second is an important unit of time. It is the main unit of time in the SI system of units. It can be defined as the time it takes an electromagnetic field to propagate through 3 x 10 ⁵ km of vacuum.

One solar day has 86,400 seconds. There are 60 second per minute.

Second is not small and specific enough to be used by scientists and engineers so smaller units were derived such as:

• One millisecond which equals 10 ^-3 s.
• One microsecond which equals 10 ^-6 s.
• One nanosecond which equals 10 ^-9 s.
• One picosecond which equals 10 ^-12 s.

Hour

What is the hour?

The hour is a unit of time. It can be symbolized as hr. It equals 1/24 of a day. It also can be defined as 3600 seconds or 60 minutes.

Time can be measured according to two schemes:

1. 24-hour time scheme which starts and ends at midnight.
2. Two 12-hr segments per mean solar day ( A.M and P.M).

The first scheme is the most common scheme that is used by engineers and astronomers

Second to Hour Conversions Table

Print Table

10 Second = 0.0027777777777778 Hour
11 Second = 0.0030555555555556 Hour
12 Second = 0.0033333333333333 Hour
13 Second = 0.0036111111111111 Hour
14 Second = 0.0038888888888889 Hour
15 Second = 0.0041666666666667 Hour
16 Second = 0.0044444444444444 Hour
17 Second = 0.0047222222222222 Hour
18 Second = 0.005 Hour
19 Second = 0.0052777777777778 Hour
20 Second = 0.0055555555555556 Hour
21 Second = 0.0058333333333333 Hour
22 Second = 0.0061111111111111 Hour
23 Second = 0.0063888888888889 Hour
24 Second = 0.0066666666666667 Hour
25 Second = 0.0069444444444444 Hour
26 Second = 0.0072222222222222 Hour
27 Second = 0.0075 Hour
28 Second = 0.0077777777777778 Hour
29 Second = 0.0080555555555556 Hour
30 Second = 0.0083333333333333 Hour