This page provides a result prefilled with the place and coordinates. The calculations and phone gyroscope work without an order; the HD poster remains optional. See the Honolulu constellation table
A latitude-based guide with transit altitude, season and circumpolar status
Not every constellation rises from every latitude. This guide compares the representative declination of well-known constellations with the latitude of Honolulu. It shows which patterns can clear a practical horizon, how high they culminate and which northern or southern groups stay circumpolar.
From Honolulu, latitude decides how high each familiar pattern can climb above an ideal horizon. Its verifiable starting point is GeoNames 5856195, 21.3069° N, 157.8583° W, in timezone Pacific/Honolulu.
Each entry below gives an approximate maximum altitude at meridian transit and a practical season; an asterisk means circumpolar in this simplified centroid model: Cepheus: 41.3°, all year *; Ursa Minor: 34.3°, all year *; Gemini: 89.3°, winter; Taurus: 86.7°, winter; Leo: 83.7°, spring; Boötes: 81.3°, spring; Lyra: 75.3°, summer; Orion: 73.7°, winter; Andromeda: 73.3°, autumn; Cygnus: 71.3°, summer; Auriga: 69.3°, winter; Aquila: 68.7°, summer; Perseus: 66.3°, winter; Virgo: 64.7°, spring. This is a planning guide, not a promise that every star will be visible from a bright street. Date, hour, local obstructions and light pollution still matter. The live sky tool performs the date-specific projection that a static latitude table cannot.
Calculation identity: GeoNames 5856195 · city Honolulu · region Hawaii · country United States · national selection rank 55 · reference population 350,964 · source elevation 5 m. Spatial fingerprint: latitude 21.30694 · longitude -157.85833 · north hemisphere · timezone Pacific/Honolulu · celestial-pole altitude 21.3°. Seasonal signature: longest night in December, 13 h 17 · shortest night in June, 10 h 43 · range 2.58 hours. Meridian star markers: Cepheus 41.3° * · Ursa Minor 34.3° * · Gemini 89.3° · Taurus 86.7° · Leo 83.7° · Boötes 81.3°. Nearby catalogue cities: San Francisco 3854 km · Oakland 3867 km · San Jose 3883 km. First regional eclipse shortlist: 2027-02-20 Penumbral lunar eclipse 23:14 UTC · 2027-08-17 Penumbral lunar eclipse 07:14 UTC · 2028-01-12 Partial lunar eclipse 04:14 UTC. Together these values form the local evidence record for the “constellations” page; they change with place and remain separate from real weather.
1. Honolulu → San Francisco: 3853.9 km · Δlat +16.468° · Δlon +35.439° · Δpole +16.5° · timezone Pacific/Honolulu ≠ America/Los_Angeles · longest night December 14 h 36 | 2. Honolulu → Oakland: 3867.4 km · Δlat +16.497° · Δlon +35.588° · Δpole +16.5° · timezone Pacific/Honolulu ≠ America/Los_Angeles · longest night December 14 h 37 | 3. Honolulu → San Jose: 3883.3 km · Δlat +16.032° · Δlon +35.963° · Δpole +16.0° · timezone Pacific/Honolulu ≠ America/Los_Angeles · longest night December 14 h 34. Monthly night comparison with the nearest catalogue reference — January: Honolulu 13 h 10 / San Francisco 14 h 20 / Δ -1.18 h · February: Honolulu 12 h 42 / San Francisco 13 h 25 / Δ -0.71 h · March: Honolulu 12 h 09 / San Francisco 12 h 17 / Δ -0.14 h · April: Honolulu 11 h 31 / San Francisco 11 h 01 / Δ +0.49 h · May: Honolulu 10 h 59 / San Francisco 9 h 58 / Δ +1.02 h · June: Honolulu 10 h 43 / San Francisco 9 h 24 / Δ +1.31 h · July: Honolulu 10 h 49 / San Francisco 9 h 38 / Δ +1.19 h · August: Honolulu 11 h 16 / San Francisco 10 h 32 / Δ +0.73 h · September: Honolulu 11 h 53 / San Francisco 11 h 46 / Δ +0.11 h · October: Honolulu 12 h 30 / San Francisco 13 h 00 / Δ -0.50 h · November: Honolulu 13 h 02 / San Francisco 14 h 05 / Δ -1.04 h · December: Honolulu 13 h 17 / San Francisco 14 h 36 / Δ -1.31 h. For constellation screening, latitude difference becomes a meridian-altitude difference; a small change is reported as small rather than exaggerated for local copy.
Honolulu is represented by 21.3069° N, 157.8583° W, in Hawaii, using the IANA zone Pacific/Honolulu. This is a tropical viewpoint: the relevant celestial pole stands about 21.3° above its horizon. GeoNames record 5856195 supplies the geographic reference; its population field is 350,964 and is used for catalogue selection, not presented as a live census. The source elevation is 5 metres; terrain can hide a low object even when the geometric calculation says it rises.
The following pairs are approximate daylight / night duration around the 15th of each month: January: 10 h 50 / 13 h 10; February: 11 h 18 / 12 h 42; March: 11 h 51 / 12 h 09; April: 12 h 29 / 11 h 31; May: 13 h 01 / 10 h 59; June: 13 h 17 / 10 h 43; July: 13 h 11 / 10 h 49; August: 12 h 44 / 11 h 16; September: 12 h 07 / 11 h 53; October: 11 h 30 / 12 h 30; November: 10 h 58 / 13 h 02; December: 10 h 43 / 13 h 17. The longest estimated night in this model is December at 13 h 17; the shortest is June at 10 h 43. “Night” here is the complement of daylight on a flat horizon. Civil, nautical and astronomical twilight are not interchangeable, and weather is not predicted by this table.
Coordinates, date and local time feed the same astronomical workflow used by the poster. The HYG catalogue provides star entries, while Astronomy Engine calculates moving bodies. The page does not claim that city-centre coordinates equal a hospital, venue or home: selecting an autocomplete suggestion replaces the shortcut with that location. It also separates astronomical geometry from weather and light pollution, so a correct map never becomes a claim that the ground-level sky was cloudless.
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It removes patterns that only graze an ideal horizon. 22 catalogue groups pass that screen here, but local hills and buildings can require a higher threshold.
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See the Honolulu constellation table
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