Add support for sidereal time #8
Description
1 sidereal year is about 366.24 days, or 23:56:04 per terrestrial day.
(Add reference date, with default to 00:00:00 every start of terrestrial year)
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1 sidereal year is about 366.24 days, or 23:56:04 per terrestrial day.
(Add reference date, with default to 00:00:00 every start of terrestrial year)