Everything You Need For 2020

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

Everything you need for 2020

Almanacs

2020 Nautical Almanac -regular format

2020 Nautical Almanac- compact format

2020 Sun only -regular format

2020 Sun only -compact format

Increments & Corrections, Altitude Corrections & Polaris Q Corrections

Increments & Corrections for the Sun (on 2 pages)

Increments & Corrections for Sun, Planets, Aries, Moon (the "yellow pages")

ALTITUDE CORRECTION TABLES 10°--90°—SUN,STARS,PLANETS

TABLE 5- Correction to Tabulated Altitude for Minutes of Declination

Altitude Correction Tables for the Moon

Polaris- Correction for (Q) (2020)

Sight Reduction Tables

PUB. NO. 249 (download individual Latitudes or Volumes) (courtesy of Celestaire)

PUB. NO. 229 (download individual volumes)

Stars

2020 Stars- SHA & Declination
(from The Air Almanac 2020)

Conversion of Arc to Time

Meridian Passage and Declination of the Sun at 12 h UT
(from The Air Almanac 2020)
Equation of Time curve (for the Sun)

Day of week, Week Number and Day of Year for 2020

ECLIPSES- Solar and Lunar- 2020

Visibility of Planets, Moon phases and Select Stars
(from The Air Almanac)

Moon Phases for 2020 in graphic form (GMT/UTC time based)

WORLD MAP OF TIME ZONES

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