Calculate the sidereal time (in degrees).

swe_sidtime(jd_ut)

Arguments

jd_ut UT Julian day number as double (day)

Value

swe_sidtime returns the sidereal time as double (deg)

Details

swe_sidtime()

Determine the sidereal time.

Section 15 in http://www.astro.com/swisseph/swephprg.htm. Remember that array indices start in R at 1, while in C they start at 0!

Examples

swe_sidtime(2451545)
#> [1] 18.69714