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Local and Greenwich Sidereal Time

Apparent and mean sidereal time at Greenwich and at a given location for a specified date and universal time, including GAST, GMST, LAST, LMST and the equation of the equinoxes. Powered by the keyless US Naval Observatory Astronomical Applications API.

Networks

Base (Coinbase L2)solana:mainnetNoble

Regions

Global (no regional restriction)

Tags

#space#astronomy#sidereal-time#timekeeping

How to use

Sample response
{"apiversion":"4.0.1","properties":{"data":[{"day":20,"eqofeq":"0.4804","gast":"05:54:51.7730","gmst":"05:54:51.2926","last":"00:46:51.7730","lmst":"00:46:51.2926","month":6,"ut1time":"12:00:00.0","year":2026}]}}
curl -X GET 'https://proxy.suverse.io/v1/data/suverse-space-sidereal-time'