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year (sidereal) to month (synodic) conversion

Conversion number between year (sidereal) [a, y, or yr] and month (synodic) [mo] is 12.368746283616. This means, that year (sidereal) is bigger unit than month (synodic).

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from month (synodic) to year (sidereal) conversion


Enter the number in year (sidereal):

Decimal Fraction Exponential Expression
[a, y, or yr]
eg.: 10.12345 or 1.123e5

Result in month (synodic)

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precision [info]
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Calculation process of conversion value


High precision conversion

If conversion between year (sidereal) to second and second to month (synodic) is exactly definied, high precision conversion from year (sidereal) to month (synodic) is enabled.

Since definition contain rounded number(s) too, there is no sense for high precision calculation, but if you want, you can enable it. Keep in mind, that converted number will be inaccurate due this rounding error!

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year (sidereal) to month (synodic) conversion chart

Start value: [year (sidereal)]
Step size [year (sidereal)]
How many lines? (max 100)

visual:
year (sidereal)month (synodic)
00
10123.68746283616
20247.37492567232
30371.06238850848
40494.74985134463
50618.43731418079
60742.12477701695
70865.81223985311
80989.49970268927
901113.1871655254
1001236.8746283616
1101360.5620911977
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Multiple conversion

Enter numbers in year (sidereal) and click convert button.
One number per line.

Converted numbers in month (synodic):
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Details about year (sidereal) and month (synodic) units:

Convert Year (sidereal) to other unit:

year (sidereal)

Definition of year (sidereal) unit: ≈ 365.256363004 d. Sidereal year is a time taken for Sun to return to the same position with respect to the stars of the celestial sphere, approximately 365.256363 days.

Convert Month (synodic) to other unit:

month (synodic)

Definition of month (synodic) unit: ≈ 29.530589 days. Synodic month = Cycle time of moon phases (example, from fool moon to next fool moon). This period is not constant and it is longer than moon rotation around Earth (sidereal month), because moon and Earth moves together around the Sun.


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