Convert hour (sidereal) to month (synodic)
Please provide values below to convert hour (sidereal) [None] to month (synodic) [None], or Convert month (synodic) to hour (sidereal).
1 None = 0.00140711377791 None. To convert hour (sidereal) to month (synodic), multiply the value by 0.00140711377791; to go the other way, divide by it (1 None = 710.674584883 None). Both units measure time and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Quick Reference
- 1 None = 0.00140711377791 None
- 1 None = 710.674584883 None
- 10 None = 0.0140711377791 None
- 100 None = 0.140711377791 None
How to Convert Hour (Sidereal) to Month (Synodic)
1 None = 0.00140711377791064 None
Example: convert 15 None to None:
15 None = 15 × 0.00140711377791064 None = 0.0211067066686596 None
Hour (Sidereal) to Month (Synodic) Conversion Table
| hour (sidereal) | month (synodic) |
|---|---|
| 1 None | 0.00140711377791 None |
| 2 None | 0.00281422755582 None |
| 3 None | 0.00422134133373 None |
| 5 None | 0.00703556888955 None |
| 10 None | 0.0140711377791 None |
| 20 None | 0.0281422755582 None |
| 50 None | 0.0703556888955 None |
| 100 None | 0.140711377791 None |
| 500 None | 0.703556888955 None |
| 1000 None | 1.40711377791 None |
Hour (Sidereal)
An hour (sidereal) is a unit of time based on the Earth's rotation relative to distant stars, equal to approximately 3,894 seconds, used primarily in astronomy.
History/Origin
The sidereal hour originated from the ancient division of the day based on Earth's rotation relative to the stars, differing from the solar hour by about 4 minutes, and has been used historically in astronomy for precise timekeeping.
Current Use
Sidereal hours are mainly used in astronomy and astrophysics to measure celestial events and the Earth's rotation relative to distant celestial objects, rather than in everyday timekeeping.
Month (Synodic)
A month (synodic) is the average period of the Moon's orbit around the Earth, approximately 29.53 days, used to measure time in lunar and calendar systems.
History/Origin
The concept of a month originates from ancient lunar calendars based on the Moon's phases. Various civilizations, including the Babylonians and Romans, structured their calendars around lunar cycles, leading to the development of the synodic month as a standard measure.
Current Use
The synodic month is used in lunar calendars, such as the Islamic calendar, and influences the calculation of lunar phases, religious observances, and timekeeping in astronomy.
Frequently Asked Questions
What is 1 hour (sidereal) in month (synodic)?
1 hour (sidereal) (None) = 0.00140711377791 month (synodic) (None).
How do you convert hour (sidereal) to month (synodic)?
Multiply the hour (sidereal) value by 0.00140711377791. For example, 25 None × 0.00140711377791 = 0.0351778444478 None.
What is 10 hour (sidereal) in month (synodic)?
10 None = 0.0140711377791 None.
Which unit is larger, the hour (sidereal) or the month (synodic)?
The month (synodic) is the larger unit: 1 None equals only 0.00140711377791 None.