The Nautical Almanac
The free online Nautical Almanac
The world's most complete source of free celestial navigation information

The Terrestrial Almanac 2018

World and United States calendars

World Calendar

Only has time and season changes
United States Calendar

Has typical US holidays, time and season changes

  • Each month is on 2 pages in US letter size

  • Each week on 1 page

  • Entire year on 1 page

  • Monthly note sheets

  • Monthly cover sheets

The number of each day for the entire year.