# day (sidereal) to Hipparchic cycle conversion

Conversion number between day (sidereal) [d (sidereal)] and Hipparchic cycle is 8.9815784782193 × 10-6. This means, that day (sidereal) is smaller unit than Hipparchic cycle.

### Contents [show][hide]

Switch to reverse conversion:
from Hipparchic cycle to day (sidereal) conversion

### Enter the number in day (sidereal):

Decimal Fraction Exponential Expression
 [d (sidereal)]
eg.: 10.12345 or 1.123e5

Result in Hipparchic cycle

?
 precision 0 1 2 3 4 5 6 7 8 9 [info] Decimal: Exponential:

### Calculation process of conversion value

• 1 day (sidereal) = (86164.09053083288) / (9593424000) = 8.9815784782193 × 10-6 Hipparchic cycle
• 1 Hipparchic cycle = (9593424000) / (86164.09053083288) = 111339.00376477 day (sidereal)
• ? day (sidereal) × (86164.09053083288  ("s"/"day (sidereal)")) / (9593424000  ("s"/"Hipparchic cycle")) = ? Hipparchic cycle

### High precision conversion

If conversion between day (sidereal) to second and second to Hipparchic cycle is exactly definied, high precision conversion from day (sidereal) to Hipparchic cycle 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!

### day (sidereal) to Hipparchic cycle conversion chart

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

visual:
day (sidereal)Hipparchic cycle
00
108.9815784782193 × 10-5
200.00017963156956439
300.00026944735434658
400.00035926313912877
500.00044907892391097
600.00053889470869316
700.00062871049347535
800.00071852627825755
900.00080834206303974
1000.00089815784782193
1100.00098797363260413
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## Multiple conversion

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

Converted numbers in Hipparchic cycle:
Click to select all

## Details about day (sidereal) and Hipparchic cycle units:

Convert Day (sidereal) to other unit:

### day (sidereal)

Definition of day (sidereal) unit: ≈ 23 h, 56 min, 4.0916 sec. A sidereal day is the time needed for the Earth to rotate once around its axis so that the distant stars appear in the same position in the sky. This is ~4 minutes shorter than the solar day.

Convert Hipparchic cycle to other unit:

### Hipparchic cycle

Definition of Hipparchic cycle unit: ≡ 4 Callippic cycles - 1 d. A lunar cycle noticed by Hipparchus. Eric Weisstein's World of Biography It consists of four Callipic cycles less a day, in which (4 × 27759 - 1) days are very nearly 3760 months, ≡ 9.593424 Gs

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