This astronomy calendar of celestial events contains dates for notable celestial events including moon phases, meteor showers, eclipses, oppositions, conjunctions, and other interesting events.
Check out the archives to view previous years celesital events.
Celestial Events
January 2026
| Day | Time | Event |
|---|---|---|
| 1 | 11:43 am | Moon at perigee (closest to earth) |
| 2 | 3:32 am | Perigean Spring (King) Tides (2.60 ft) — Honolulu Harbor |
| 3 | 2:00 am – 6:30 am | Quadrantid Meteor Shower peak |
| 3 | 7:15 pm – 6:45 am | Conjunction of Moon-Jupiter (6.0º apart) |
| 3 | 12:02 am | Full Moon |
| 3 | 4:16 am | Perigean Spring (King) Tides (2.60 ft) — Honolulu Harbor |
| 3 | 7:16 am | Perihelion (earth closest to sun) |
| 10 | 5:48 am | Last Quarter (Waning Half) Moon |
| 13 | 10:48 am | Moon at apogee (farthest from earth) |
| 16 | 7:10:16 am | Latest sunrise ever occurs in Honolulu |
| 18 | 9:51 am | New Moon |
| 22 | 7:00 pm – 10:00 pm | Conjunction of Moon-Saturn (4.6º apart) |
| 25 | 6:47 pm | First Quarter (Waxing Half) Moon |
| 27 | 7:00 pm – 1:15 am | Conjunction of Moon-Pleiades (4.9º apart) |
| 29 | 11:53 am | Moon at perigee (closest to earth) |
| 30 | 6:45 pm – 4:45 am | Conjunction of Moon-Jupiter (4.3º apart) |
February 2026
| Day | Time | Event |
|---|---|---|
| 1 | 12:09 pm | Full Moon |
| 9 | 2:43 am | Last Quarter (Waning Half) Moon |
| 10 | 6:52 am | Moon at apogee (farthest from earth) |
| 10 | 12:45:37 pm | Latest "noon"— latest time sun crosses the meridian in Honolulu (latest apparent noon) |
| 17 | 2:01 am | New Moon |
| 19 | 6:45 pm – 7:30 pm | Mercury at highest altitude in evening sky (16º) [mag -0.6] |
| 23 | 7:15 pm – 12:30 am | Conjunction of Moon-Pleiades (1.8º apart) |
| 24 | 2:27 am | First Quarter (Waxing Half) Moon |
| 24 | 1:18 pm | Moon at perigee (closest to earth) |
| 26 | 7:00 pm – 3:00 am | Conjunction of Moon-Jupiter (4.1º apart) |
March 2026
| Day | Time | Event |
|---|---|---|
| 2 | 3:36 am – 4:14 am | Lunar Occulation of Regulus |
| 2 | 11:50 pm – 3:17 am | Total LUNAR ECLIPSE partial begins: 11:50 pm (Mar 2) total begins: 1:04 am (Mar 3) max: 1:33 am total ends: 2:02 am partial ends: 3:17 am |
| 3 | 1:37 am | Full Moon |
| 8 | 2:00 am | Daylight Saving Time begins on mainland [Note: Hawaii does not observe DST] |
| 10 | 3:43 am | Moon at apogee (farthest from earth) |
| 10 | 11:38 pm | Last Quarter (Waning Half) Moon |
| 12 | sunrise: 6:41:01 am sunset: 6:41:02 pm |
Spring Equilux (equilux: equal day & night—12 hrs of daylight & 12 hrs of nightime) [actual difference between daylight and nightime = 2 sec] |
| 18 | 3:23 pm | New Moon |
| 20 | 4:46 am | Vernal Equinox (first day of spring) |
| 22 | 1:40 am | Moon at perigee (closest to earth) |
| 25 | 9:18 am | First Quarter (Waxing Half) Moon |
| 25 | 7:00 pm – 3:00 am | Conjunction of Moon-Jupiter (4.0º apart) |
April 2026
| Day | Time | Event |
|---|---|---|
| 1 | 4:12 pm | Full Moon |
| 1 | 5:15 am – 6:00 am | Mercury at highest altitude in morning sky (17º) [mag 0.2] |
| 6 | 10:32 pm | Moon at apogee (farthest from earth) |
| 9 | 6:51 pm | Last Quarter (Waning Half) Moon |
| 17 | 1:52 am | New Moon Super New Moon: largest new moon (occurs nearest perigee) |
| 18 | 8:57 pm | Moon at perigee (closest to earth) |
| 19 | 5:30 am – 6:00 am | Alignment of Mercury-Mars-Saturn (1.0º apart) |
| 22 | 7:15 pm – 12:15 am | Conjunction of Moon-Jupiter (4.7º apart) |
| 22 | midnight – 5:30 am | Lyrid Meteor Shower peak |
| 23 | 4:31 pm | First Quarter (Waxing Half) Moon |
May 2026
| Day | Time | Event |
|---|---|---|
| 1 | 7:15 pm – 8:30 pm | Conjunction of Venus-Aldebaran (6.4º apart) |
| 1 | 7:23 am | Full Moon |
| 4 | 12:30 pm | Moon at apogee (farthest from earth) |
| 6 | midnight – 5:15 am | Eta Aquarid Meteor Shower peak |
| 9 | 11:10 am | Last Quarter (Waning Half) Moon |
| 13 | 4:00 am – 5:00 am | Conjunction of Moon-Saturn (4.5º apart) |
| 16 | 10:01 am | New Moon Super New Moon: largest new moon (occurs nearest perigee) |
| 17 | 3:48 am | Moon at perigee (closest to earth) |
| 18 | 12:17 pm | Hilo (kau ka lā i ka lolo = "Lāhaina Noon") |
| 18 | 12:21 pm | Kailua-Kona (kau ka lā i ka lolo = "Lāhaina Noon") |
| 18 | 7:30 pm – 9:15 pm | Conjunction of Moon-Venus (2.9º apart) |
| 19 | 7:30 pm – 10:30 pm | Alignment of Moon-Jupiter-Pollux (5.5º apart) |
| 23 | 1:11 am | First Quarter (Waxing Half) Moon |
| 23 | 12:21 pm | Hāna (kau ka lā i ka lolo = "Lāhaina Noon") |
| 23 | 12:25 pm | Lāna‘i City (kau ka lā i ka lolo = "Lāhaina Noon") |
| 24 | 12:23 pm | Kahului (kau ka lā i ka lolo = "Lāhaina Noon") |
| 24 | 12:24 pm | Lāhaina (kau ka lā i ka lolo = "Lāhaina Noon") |
| 25 | 12:25 pm | Kaunakakai (kau ka lā i ka lolo = "Lāhaina Noon") |
| 26 | 12:29 pm | Honolulu (kau ka lā i ka lolo = "Lāhaina Noon") |
| 27 | 12:28 pm | Kāne‘ohe (kau ka lā i ka lolo = "Lāhaina Noon") |
| 30 | 10:45 pm | Full Moon Blue Moon: second full moon in single calendar month Micro Full Moon: smallest full moon (occurs nearest apogee) |
| 31 | 12:35 pm | Līhue (kau ka lā i ka lolo = "Lāhaina Noon") |
| 31 | 6:32 pm | Moon at apogee (closest to earth) |
June 2026
| Day | Time | Event |
|---|---|---|
| 6 | 5:47:26 am | Earliest sunrise ever occurs in Honolulu |
| 8 | 12:00 am | Last Quarter (Waning Half) Moon |
| 9 | 7:45 pm – 9:30 pm | Conjunction of Venus-Jupiter (1.6º apart) |
| 10 | 2:15 am – 5:30 am | Conjunction of Moon-Saturn (6.3º apart) |
| 13 | 7:30 pm – 8:45 pm | Mercury at highest altitude in evening sky (21º) [mag 0.3] |
| 14 | 1:18 pm | Moon at perigee (closest to earth) |
| 14 | 4:08 pm | Perigean Spring (King) Tides (2.66 ft) — Honolulu Harbor |
| 14 | 4:54 pm | New Moon Super New Moon: largest new moon (occurs nearest perigee) |
| 15 | 4:55 pm | Perigean Spring (King) Tides (2.66 ft) — Honolulu Harbor |
| 16 | 7:45 pm – 8:45 pm | Alignment of Mercury-Moon-Jupiter-Venus (4º apart) |
| 20 | 10:24 pm | Summer Solstice (first day of summer) Honolulu sunrise: 5:48:59 am; sunset: 7:17:16 pm Longest Day: 13h 28m 17s |
| 21 | 11:55 am | First Quarter (Waxing Half) Moon |
| 27 | 9:11 pm | Moon at apogee (farthest from earth) |
| 29 | 1:56 pm | Full Moon Micro Full Moon: smallest full moon (occurs nearest apogee) |
July 2026
| Day | Time | Event |
|---|---|---|
| 2 | 7:30 pm – 9:30 pm | Venus at highest altitude in evening sky (35º) [mag -4.1] |
| 4 | 7:18:54 pm | Latest sunset ever occurs in Honolulu |
| 6 | 7:31 am | Aphelion (earth farthest from sun) |
| 7 | 12:30 am – 5:00 am | Conjunction of Moon-Saturn (5.5º apart) |
| 7 | 9:29 am | Last Quarter (Waning Half) Moon |
| 7 | 12:30 am – 5:00 am | Conjunction of Moon-Saturn (5.5º apart) |
| 9 | 7:30 pm – 9:30 pm | Conjunction of Venus-Regulus (1.0º apart) |
| 10 | 2:30 am – 5:00 am | Conjunction of Moon-Pleiades (4.1º apart) |
| 11 | 3:15 am – 5:00 am | Conjunction of Moon-Mars (4.8º apart) |
| 11 | 12:43 pm | Līhue (kau ka lā i ka lolo = "Lāhaina Noon") |
| 12 | 3:09 pm | Perigean Spring (King) Tides (2.66 ft) — Honolulu Harbor |
| 12 | 9:50 pm | Moon at perigee (closest to earth) |
| 13 | 3:54 pm | Perigean Spring (King) Tides (2.70 ft) — Honolulu Harbor |
| 13 | 11:43 pm | New Moon |
| 14 | 4:38 pm | Perigean Spring (King) Tides (2.66 ft) — Honolulu Harbor |
| 15 | 12:37 pm | Kāne‘ohe (kau ka lā i ka lolo = "Lāhaina Noon") |
| 16 | 12:38 pm | Honolulu (kau ka lā i ka lolo = "Lāhaina Noon") |
| 16 | 7:45 pm – 9:15 pm | Conjunction of Moon-Venus (5.9º apart) |
| 17 | 12:35 pm | Kaunakakai (kau ka lā i ka lolo = "Lāhaina Noon") |
| 18 | 12:32 pm | Kahului (kau ka lā i ka lolo = "Lāhaina Noon") |
| 18 | 12:33 pm | Lāhaina (kau ka lā i ka lolo = "Lāhaina Noon") |
| 19 | 12:30 pm | Hāna (kau ka lā i ka lolo = "Lāhaina Noon") |
| 19 | 12:34 pm | Lāna‘i City (kau kā la i ka lolo = "Lāhaina Noon") |
| 21 | 1:06 am | First Quarter (Waxing Half) Moon |
| 24 | 12:27 pm | Hilo (kau ka lā i ka lolo = "Lāhaina Noon") |
| 24 | 12:31 pm | Kailua-Kona (kau ka lā i ka lolo = "Lāhaina Noon") |
| 25 | 6:45 am | Moon at apogee (farthest from earth) |
| 29 | 4:35 am | Full Moon |
| 30 | midnight – - 5:00 am | Southern Delta Aquariid Meteor Shower peak |
August 2026
| Day | Time | Event |
|---|---|---|
| 3 | 5:00 am – 5:45 am | Mercury at highest altitude in morning sky (18º) [mag 0.0] |
| 3 | 11:30 pm – 5:15 am | Conjunction of Moon-Saturn (7.3º apart) |
| 5 | 4:21 pm | Last Quarter (Waning Half) Moon |
| 7 | 1:15 am – 5:15 am | Conjunction of Moon-Pleiades (3.6º apart) |
| 9 | 2:45 am – 5:15am | Conjunction of Moon-Mars (6.9º apart) |
| 10 | 1:18 am | Moon at perigee (closest to earth) |
| 10 | 2:52 pm | Perigean Spring (King) Tides (2.59 ft) — Honolulu Harbor |
| 12 | 10:30 pm – 5:30 am | Perseid Meteor Shower peak |
| 12 | 7:37 am | New Moon |
| 15 | 7:30 pm – 9:00 pm | Conjunction of Moon-Venus (2.6º apart) |
| 19 | 4:46 pm | First Quarter (Waxing Half) Moon |
| 21 | 10:20 pm | Moon at apogee (farthest from earth) |
| 27 | 6:18 pm | Full Moon |
| 27 | 6:47 pm – 7:51 pm | Partial LUNAR ECLIPSE begins at partial phase: 6:47 pm (moonrise) local max: 6:50 pm partial ends: 7:51 pm |
| 30 | 9:45 pm – 5:30 am | Conjunction of Moon-Saturn (6.7º apart) |
| 31 | 7:15 pm – 8:30 pm | Conjunction of Venus-Spica (1.6º apart) |
September 2026
| Day | Time | Event |
|---|---|---|
| 1 | 1:00 am – 5:15 am | Aurigid Meteor Shower peak |
| 2 | 11:45 pm – 5:30 am | Conjunction of Moon-Pleiades (0.9º apart) |
| 3 | 9:51 pm | Last Quarter (Waning Half) Moon |
| 6 | 2:15 am – 5:30 am | Conjunction of Moon-Mars (3.5º apart) |
| 6 | 10:26 am | Moon at perigee (closest to earth) |
| 8 | 4:15 am – 5:45 am | Conjunction of Moon-Jupiter (1.6º apart) |
| 10 | 5:26 pm | New Moon |
| 13 | 7:00 pm – 8:15 pm | Alignment of Venus-Moon-Spica (4º apart) |
| 18 | 10:44 am | First Quarter (Waxing Half) Moon |
| 18 | 5:00 pm | Moon at apogee (farthest from earth) |
| 22 | 2:05 pm | Autumnal Equinox (first day of Fall) |
| 22 | 6:45 pm – 7:45 pm | Venus at greatest brightness in evening sky [mag – 4.6] |
| 26 | 6:49 am | Full Moon |
| 26 | 7:45 pm – 5:45 am | Conjunction of Moon-Saturn (5.5º apart) |
| 29 | 10:15 pm – 5:30 am | Conjunction of Moon-Pleiades (4.7º apart) |
| 30 | sunrise: 6:21:21 am sunset: 6:21:10 pm |
Fall Equilux (equilux: equal day & night—12 hrs of daylight & 12 hrs of nightime) [actual difference between daylight and nightime = 22 sec] |
October 2026
| Day | Time | Event |
|---|---|---|
| 1 | 10:41 am | Moon at perigee (closest to earth) |
| 3 | 3:25 am | Last Quarter (Waning Half) Moon |
| 5 | 2:15 am – 5:30 am | Conjunction of Moon-Mars (4.5º apart) |
| 6 | 3:00 am – 6:00 am | Conjunction of Moon-Jupiter (2.5º apart) |
| 8 | 6:45 pm – 12:30 am | Draconid Meteor Shower peak |
| 10 | 5:50 am | New Moon |
| 10 | 7:30 pm - 6:00 am | South Taurid Shower peak |
| 11 | 6:30 pm – 7:00 pm | Mercury at highest altitude in evening sky (14º) [mag -0.1] |
| 12 | 6:15 pm – 6:45 pm | Conjunction of Moon-Mercury (4.7º apart) |
| 16 | 12:56 pm | Moon at apogee (farthest from earth) |
| 18 | 6:12 am | First Quarter (Waxing Half) Moon |
| 21 | midnight – 6:00 am | Orionid Meteor Shower peak |
| 23 | 6:45 pm – 4:00 am | Conjunction of Moon-Saturn (6.1º apart) |
| 25 | 6:12 pm | Full Moon |
| 27 | 8:30 pm – 5:45 am | Conjunction of Moon-Pleiades (3.3º apart) |
| 28 | Moon at perigee (closest to earth) | Moon at perigee (closest to earth) |
27November 2026
| Day | Time | Event |
|---|---|---|
| 1 | 10:28 am | Last Quarter (Waning Half) Moon |
| 1 | 2:00 am | Daylight Saving Time ends on mainland [Hawaii does not observe DST] |
| 2 | 1:00 am – 5:45 am | Alignment of Moon-Mars-Jupiter (3.0º apart) |
| 2 | 12:14:59 pm | Earliest "noon"—earliest time sun crosses the meridian in Honolulu (earliest apparent noon) |
| 8 | 9:02 pm | New Moon |
| 9 | 5:30 am – 615 am | Conjunction of Venus-Spica (1.1º apart) |
| 11 | 6:30 pm - 6:00 am | North Taurid Meteor Shower peak |
| 13 | 7:50 am | Moon at apogee (farthest from earth) |
| 15 | 12:30 am – 6:00 am | Conjunction of of Mars-Jupiter (1.2º apart) |
| 17 | midnight - 6:00 am | Leonid Meteor Shower peak |
| 17 | 1:48 am | First Quarter (Waxing Half) Moon |
| 17 | 5:49 pm | Pleiades rise at sunset (first condition needed for declaring start of Makahiki; must wait until the sighting of first visible crescent moon after this date) |
| 20 | 6:30 pm – 2:00 am | Conjunction of Moon-Saturn (7.5º apart) |
| 21 | 5:30 am – 6:30 am | Mercury at highest altitude in morning sky (19º) [mag -0.6] |
| 23 | 6:30 pm – 5:30 am | Conjunction of Moon-Pleiades (1.6º apart) |
| 24 | 4:53 am | Full Moon Super Full Moon: largest full moon (occurs nearest perigee) |
| 25 | 4:42 am | Perigean Spring (King) Tides (2.64 ft) — Honolulu Harbor |
| 25 | 10:58 am | Moon at perigee (closest to earth) |
| 26 | 5:30 am | Perigean Spring (King) Tides (2.61 ft) — Honolulu Harbor |
| 26 | 5:49:25 pm | Earliest sunset ever occurs in Honolulu |
| 27 | 4:15 am – 6:30 am | Venus at greatest brightness in morning sky [mag – 4.6] |
| 29 | 12:15 am – 6:15 am | Conjunction of Moon-Jupiter (1.0º apart) |
| 30 | 12:30 am – 6:15 am | Alignment of Jupiter-Moon-Mars-Regulus (2.5º apart) |
| 30 | 8:09 pm | Last Quarter (Waning Half) Moon |
December 2026
| Day | Time | Event |
|---|---|---|
| 4 | 4:00 am – 6:30 am | Alignment of Moon-Venus-Spica (6.7º apart) |
| 8 | 2:51 pm | New Moon |
| 9 | Sunset | Beginning of Makahiki with sighting of first visible crescent moon (Hilo moon) after rise of Pleiades (this unofficially could be consider beginning of Makahiki; technically someone must visually sight the first crescent moon that occurs after the Mahakihi rise at sunset) |
| 10 | 8:46 pm | Moon at apogee (farthest from earth) |
| 14 | midnight – 6:30 am | Geminid Meteor Shower peak |
| 16 | 7:42 pm | First Quarter (Waxing Half) Moon |
| 17 | 6:30 pm – 12:15 am | Conjunction of Moon-Saturn (5.8º apart) |
| 21 | 3:45 am – 6:45 am | Venus at highest altitude in morning sky (43º) [mag – 4.5] |
| 21 | 10:50 am | Winter Solstice (first day of winter) Honolulu sunrise 7:03:24 am; sunset 5:56:01 pm Shortest Day: 10h 52m 37s |
| 21 | 6:45 pm – 3:45 am | Conjunction of Moon-Pleiades (4.0º apart) |
| 22 | midnight 6:30 am | Ursid Meteor Shower peak |
| 23 | 3:28 pm | Full Moon Super Full Moon: largest full moon (occurs nearest perigee) |
| 23 | 10:30 pm | Moon at perigee (closest to earth) |
| 24 | 4:31 am | Perigean Spring (King) Tides (2.66 ft) — Honolulu Harbor |
| 26 | 11:45 pm – 6:30 am | Alignment of Mars-Moon-Regulus-Jupiter (4.0º apart) |
| 28 | 11:00 pm – 6:30 am | Conjunction of Moon-Mars (4.7º apart) |
| 30 | 8:59 am | Last Quarter (Waning Half) Moon |