Starry Memory

Eclipse calendar for Honolulu

Use the free local tool

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. View eclipses relevant to Honolulu

Upcoming solar and lunar eclipses, screened by region and linked to NASA predictions

An eclipse can be global news yet invisible from one particular city. This local calendar first filters NASA-sourced events by the broad region containing Honolulu. It never treats a regional match as a guarantee: weather, horizon and the exact eclipse path still need checking on the linked NASA map.

Why choose Starry Memory

NASA-linked dates — 6 events in the maintained table match the broad region; every entry keeps its NASA source and UTC time.
GPS · IANA reference — Exact reference: Hawaii, 21.3069° N, 157.8583° W, Pacific/Honolulu.
Free tool — The city-specific tool works free in the browser and does not create an order.
Transparent limits — Weather, light pollution and local obstructions are stated as limits instead of being hidden.

For Honolulu, an eclipse date becomes useful only when its source, UTC time and local limitations remain attached. Its verifiable starting point is GeoNames 5856195, 21.3069° N, 157.8583° W, in timezone Pacific/Honolulu.

Eclipse dates connected to the wider United States region

20 February 2027: Penumbral lunar eclipse, 23:14 UTC; 17 August 2027: Penumbral lunar eclipse, 07:14 UTC; 12 January 2028: Partial lunar eclipse, 04:14 UTC; 26 January 2028: Annular solar eclipse, 15:08 UTC; 14 January 2029: Partial solar eclipse, 17:13 UTC; 12 June 2029: Partial solar eclipse, 04:06 UTC. This is deliberately a regional shortlist. Solar-eclipse paths are narrow, lunar eclipses require the Moon to be above the local horizon, and both can be lost to cloud. Open the NASA source attached to each event before planning travel or observation; never look at the Sun without certified eclipse viewers.

Honolulu's verifiable local record

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 “eclipses” page; they change with place and remain separate from real weather.

Honolulu compared with nearby catalogue cities

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 eclipses, these distances prove no visibility. They only help select the right point before opening the NASA path and checking the local horizon.

The astronomical fingerprint of Honolulu

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.

Twelve monthly light estimates for Honolulu

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.

What the calculation does — and does not claim

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.

Free gyroscope first, optional poster second

On a compatible phone, the gyroscope turns the calculated sky into a movable window: tilt and rotate to explore, with star names shown beside key points. That experience is free. If a date deserves a keepsake, the same place can continue into the editor. The protected preview remains watermarked before payment; the €3.99 purchase unlocks the 4960 × 7016 px, 300 DPI file. Physical formats appear only when availability, delivery supplement and timing can be checked for the destination. Checkout is in euros; the card issuer shows the current conversion to US dollars (USD).

Frequently asked questions

Does a regional match mean the eclipse is visible from the city?

No. It is a first filter only. Check the NASA path map and local Moon/Sun altitude for the exact coordinates and time.

Can I replace the centre of Honolulu with an exact address?

Yes. Choose the intended autocomplete suggestion; its coordinates replace the city shortcut. Unselected free text is never silently sent to a default city.

Is the Honolulu tool free?

Yes. The local calculation, tables and gyroscope exploration can be used without payment. Only the unlocked HD poster is paid.

Does this guarantee clear-sky visibility?

No. The calculations describe geometry. Cloud, terrain, buildings and light pollution can change what a person sees from the ground.

Do I have to buy a poster?

No. The tool stands on its own. If wanted, the watermark-free 4960 × 7016 px, 300 DPI file costs €3.99. Checkout is in euros; the card issuer shows the current conversion to US dollars (USD).

View eclipses relevant to Honolulu