HM Nautical Almanac Office

Latest from the HM Nautical Almanac Office

  1. Total Eclipse of the Moon on 27 July 2018
  2. Crescent Moon Visibility for Ramadan and Eid al-Fitr 2018
  3. NavPac 4: Free Software Upgrade for Users of NavPac 3.4

See all latest documents

What the HM Nautical Almanac Office does

HM Nautical Almanac Office is a small multi-disciplinary group of specialists whose purpose is to provide solutions to astronomical and celestial navigation problems.

HMNAO is part of the UK Hydrographic Office.

Read more about what we do

Documents

Contact HMNAO

HM Nautical Almanac Office

HM Nautical Almanac Office
UK Hydrographic Office
Admiralty Way
Taunton
TA1 2DN
United Kingdom

Taunton office

+44 (0) 1823 484444

Didcot office

+44 (0) 1235 445000

Make an FOI request

  1. Read about the Freedom of Information (FOI) Act and how to make a request.
  2. Check our previous releases to see if we’ve already answered your question.

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Jobs and contracts

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