Link to HM Nautical Almanac Office Her Majesty's Nautical Almanac Office
UK Hydrographic Office
Astronomical data...for everyone!

Crescent Moon Visibility - Select a Location

Search the database for a named location:

 
 

Search the database for a UK postcode:

 
 

Enter your own latitude, longitude and timezone explicitly:


degrees  minutes   West   East
degrees  minutes   North  South

Use the map below to choose a location (click marker to set location)

Link to HM Nautical Almanac Office