Day (Sidereal) to Minute (Sidereal) Converter
Unit Converter
Instant · Precise · Universal
28 units available
6 categories total
How to Convert Day (Sidereal) to Minute (Sidereal)
To convert sidereal days to solar days: multiply by 0.99727. To hours: multiply by 23.9345.
1 sidereal day ≈ 23 h 56 min 4.09 s = 86,164.09 s. About 3 min 56 s shorter than a solar day.
For example, 1 Day (Sidereal) (d (Sid)) = 1440.000095 Minute (Sidereal) (min (Sid)).
Day (Sidereal) to Minute (Sidereal) — Common Values
| Day (Sidereal) (d (Sid)) | Minute (Sidereal) (min (Sid)) |
|---|---|
| 0.1 | 144.0000095 |
| 0.5 | 720.0000476 |
| 1 | 1440.000095 |
| 2 | 2880.000191 |
| 5 | 7200.000476 |
| 10 | 14400.00095 |
| 25 | 36000.00238 |
| 50 | 72000.00476 |
| 100 | 144000.0095 |
| 500 | 720000.0476 |
| 1000 | 1440000.095 |
About Day (Sidereal) (d (Sid))
Definition
The sidereal day is the time for Earth to rotate once relative to distant stars — approximately 23 hours, 56 minutes, and 4 seconds (86,164.0905 seconds).
Mathematical Relationship
1 sidereal day ≈ 23 h 56 min 4.09 s = 86,164.09 s. About 3 min 56 s shorter than a solar day.
Conversion Formula
To convert sidereal days to solar days: multiply by 0.99727. To hours: multiply by 23.9345.
Practical Applications
Telescope pointing and tracking, satellite ground track calculations, and astronomical observation scheduling.
Interesting Facts
Because of the ~4-minute difference, the night sky shifts gradually — the same star appears at the same position about 4 minutes earlier each night.
Common Mistakes
Equating sidereal day with solar day. The ~4-minute difference accumulates — after 6 months, sidereal noon is at solar midnight.
Educational Tips
Imagine Earth spinning AND orbiting: after one full spin (sidereal day), Earth has moved in its orbit, so the Sun hasn't quite returned to the same position — that takes ~4 more minutes.
About Minute (Sidereal) (min (Sid))
Definition
The sidereal minute is 1/60 of a sidereal hour — approximately 59.836 seconds in solar time.
Mathematical Relationship
1 sidereal minute = 59.836 solar seconds. 60 sidereal minutes = 1 sidereal hour.
Conversion Formula
To convert sidereal minutes to solar seconds: multiply by 59.836. To solar minutes: multiply by 0.99727.
Practical Applications
Precise observation timing, transit event recording, and telescope tracking rate calibration.
Interesting Facts
A sidereal minute is about 0.164 seconds shorter than a solar minute — small but significant over an observing session.
Common Mistakes
Using solar minutes when sidereal minutes are required in astronomical calculations — the error accumulates over time.
Educational Tips
Sidereal minutes/seconds are just slightly shorter than their solar counterparts. The ratio is always ~0.99727.