day to day (sidereal) conversion

Conversion number between day [d] and day (sidereal) [d (sidereal)] is 1.0027379093508. This means, that day is bigger unit than day (sidereal).

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from day (sidereal) to day conversion

Enter the number in day:

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

Result in day (sidereal)

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

Calculation process of conversion value

• 1 day = (86400) / (86164.09053083288) = 1.0027379093508 day (sidereal)
• 1 day (sidereal) = (86164.09053083288) / (86400) = 0.99726956632908 day
• ? day × (86400  ("s"/"day")) / (86164.09053083288  ("s"/"day (sidereal)")) = ? day (sidereal)

High precision conversion

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

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

visual:
dayday (sidereal)
00
1010.027379093508
2020.054758187016
3030.082137280524
4040.109516374032
5050.13689546754
6060.164274561048
7070.191653654556
8080.219032748064
9090.246411841572
100100.27379093508
110110.30117002859
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Multiple conversion

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Converted numbers in day (sidereal):
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Details about day and day (sidereal) units:

Convert Day to other unit:

day

Definition of day unit: = 24 h = 1440 min. One day (solar day) is period of time from noon to noon = 24 hours. A solar day is the time it takes for the Earth to rotate about its axis so that the Sun appears in the same position in the sky. 24 [h] × 3600 [s] = 86.4 [ks] = 86400 [s]

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. ← Back to Time units 