Coastal Georgetown sits under humid Atlantic trade winds, so transparency often improves after evening showers clear. Near-equatorial nights keep the Milky Way core high when the moon is down.
Dew and haze are the usual blockers more than long astronomical twilight.
Guyana · Demerara-Mahaica · ~6.8°N
Check the live Tonight score for Georgetown (cloud, dew, transparency, and astronomical dark), then read the hourly cloud timing chart and moonless dark window on this page.
Use the best clear window clock times after astronomical darkness, and prefer moonless hours when deep-sky contrast matters.
This hub shows moonrise, moonset, illumination, and the longest moonless astronomical-dark interval for Georgetown. Open Dark Sky Window for the full ephemeris card.
ISS passes are spottable near dusk or dawn when the sky is dark and the station is still sunlit. This page lists the next spottable pass when available.
Learn: Is tonight good for stargazing? · How to see the Milky Way