Hour To Second Converter

(h to s converter)

Efficiently Convert Time: From Hour Sidereal to Second Sidereal


(Last Updated On: 2024-10-18)

Discover the ease of converting sidereal hours to sidereal seconds with our intuitive converter, meticulously crafted by Newtum. Get ready to transform your astronomical timekeeping with precision.

What are Hour and Second

Definition of Hour

An hour is a unit of time conventionally reckoned as 1/24th of a day and scientifically reckoned as 3,599–3,601 seconds, depending on conditions. The hour was initially established in ancient civilizations, including those of Egypt, Sumer, and the Indus valley, with seasonal variations.

Definition of Second

A second is the base unit of time in the International System of Units (SI), defined as exactly 9,192,631,770 periods of the radiation corresponding to the transition between two hyperfine levels of the ground state of the cesium-133 atom at 0 Kelvin.

Hour to Second Conversion Table

Hour Sidereal (h) Second Sidereal (s)
0.01 h 36 s
0.1 h 360 s
0.5 h 1800 s
1 h 3600 s
1.5 h 5400 s
2 h 7200 s
2.5 h 9000 s
3 h 10800 s
3.5 h 12600 s
4 h 14400 s

Conversion of Hour to Second

1 h = 3600 s
1 s = 1/3600 h

Example 1:
convert 2 h to s:
2 h = 2 × 3600 s = 7200 s

Example 2:
convert 0.5 h to s:
0.5 h = 0.5 × 3600 s = 1800 s

History of Hour and Second

The history of the Hour Sidereal to Second Sidereal Converter is rooted in astronomy, where sidereal time is used to keep track of the positions of celestial objects. Such conversions have become essential for astronomers and those involved in space exploration to accurately measure and predict celestial events.

How to use Hour to Second Converter

Real Life Applications of Hour to Second

Unlock the practical uses of the Hour Sidereal to Second Sidereal Converter in astronomy and beyond, enhancing your understanding of the cosmos.

Solved Examples h to s

Example 1:
To convert 1.25 sidereal hours to seconds: 1.25 h × 3600 s/h = 4500 s

Example 2:
To convert 0.75 sidereal hours to seconds: 0.75 h × 3600 s/h = 2700 s

Frequently Asked Questions

What is a sidereal hour?
A sidereal hour is a time unit used in astronomy, based on Earth's rotation relative to distant stars, not the sun.
How many sidereal seconds are in one sidereal hour?
There are 3,600 sidereal seconds in one sidereal hour.
Why use the Hour Sidereal to Second Sidereal Converter?
This converter is essential for accurate astronomical calculations and converting measurements into a more usable format.