year (common)-month (synodic) conversion

Conversion number between year (common) [a, y, or yr] and month (synodic) [mo] is 12.360065014036. This means, that year (common) is bigger unit than month (synodic).

Contents [show] [hide]

Switch to reverse conversion:
from month (synodic) to year (common) conversion

Enter the number in year (common):

Decimal Fraction Exponential Expression

[a, y, or yr]

eg.: 10.12345 or 1.123e5

Result in month (synodic)

precision	[info]
Decimal:	[!]
Exponential:

Calculation process of conversion value

1 year (common) = `(31536000) / (2551442.890)` = 12.360065014036 month (synodic)
1 month (synodic) = `(2551442.890) / (31536000)` = 0.080905723300355 year (common)
? year (common) × `(31536000 ("s"/"year (common)")) / (2551442.890 ("s"/"month (synodic)"))` = ? month (synodic)

High precision conversion

If conversion between year (common) to second and second to month (synodic) is exactly definied, high precision conversion from year (common) 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!

gads

year (common) to month (synodic) conversion chart

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

visual:

year (common)	month (synodic)
0	0
10	123.60065014036
20	247.20130028072
30	370.80195042108
40	494.40260056144
50	618.0032507018
60	741.60390084216
70	865.20455098252
80	988.80520112288
90	1112.4058512632
100	1236.0065014036
110	1359.607151544

Copy to Excel

Multiple conversion

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

Converted numbers in month (synodic):
Click to select all

Details about year (common) and month (synodic) units:

Convert Year (common) to other unit:

year (common)

Definition of year (common) unit: 365 d. The year commonly has 365 days (except the leap year)

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.

← Back to Time units