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Partial solar eclipse on September 21 2025 (Cook Islands)

partial solar eclipse September 21, 2025 (Cook Islands)
Note: This image is here for illustrative purposes and does not represent the actual eclipse on this date.

The Moon information shown here applies to Avarua, Cook Islands on Sunday, September 21, 2025. (Local time Pacific/Rarotonga)

Moonrise to moonset11h33m
Moonrise06:25
Moonset17:58
Distance to the center of the Sun150,160,656 km
Distance to the center of Earth395,593 km
Moon ilumination (at midnight)0.2%
Lunar phasewaning
Current zodiac sign the MoonVirgo ♍
Moon age (days past new moon)29.1


Choose a country from the list to get relevant information:

According to international time UTC, a solar eclipse will occur on September 21, 2025 which will be visible in some parts of the world. The following shows the cities in Cook Islands from which the eclipse could be visible (note that the following is a short list of some of the main cities, the eclipse may be visible from other cities not listed here). The date and local time of the event shown below.

CityEclipse visible?Phase
AvaruaYes Partial

Information about this eclipse

partial solar eclipse This is an animated image which shows the shadow of the moon and its path on the map during the solar eclipse. Only the regions shaded by the moon may view this partial solar eclipse. The date and time displayed in this image are international date and time, therefore, they might not apply to your country. However, to know the date and exact time of partial solar eclipse in your country, you can see the table below. (Click on image to enlarge it).

Information of the Greatest Eclipse

Information of the Greatest Eclipse

This image shows the moments of external and internal contacts with the Moon's penumbra (and Moon's umbra when applicable) as well as the horizon and geocentric coordinates of the Sun and the Moon as well as the place and moment of the greatest eclipse. Some of the information from the image has been condensed in the following table. Please regard that the information in the following table applies only to the place of maximum eclipse, latitude 60.9S and longitude 153.5E, on 2025-09-21 at 19:43:04 (UT).

Date (UT)2025-09-21
Time (UT)19:43:04
Latitude60.9S
Longitude153.5E
Gamma-1.0651
Magnitude0.855
Saros154
Sun alt.0
Sun azi.89
Path width
Central Dur.

Eclipse schedule in Cook Islands

The following table shows the schedule and phases of the partial solar eclipse of September 21, 2025 in Cook Islands. For each city we have assigned a time zone which is very precise and it takes into account Daylight Saving Time (if applicable).

Sun Alt.: Excellent   Good   Low   Too low  

CityDetails
Event datePartial eclipse startsSun Alt.Total eclipse startsMax. eclipseSun Alt.AzimuthTotal eclipse endsEnds partial eclipseSun Alt.Mag.Obs.
Avarua (UTC -10)2025-09-2107:37:5915-08:35:0928077-09:38:03420.34422.6%

if present, (r) means the eclipse is in progress at sunrise, while (s) means the eclipse is in progress at sunset.

You can read the table above as follows: On September 21, 2025 in Avarua (UTC -10), an eclipse of type partial solar eclipse will start at 07:37:59, the maximum eclipse will occur at 08:35:09 when the Sun reaches an altitud of 28° and azymuth of 077°; this event will come to an end at 09:38:03 and will have a magnitud of 0.344 (the magnitude of an eclipse is the ratio of the apparent size of the Moon to the apparent size of the Sun during an eclipse) and an obscurity of 0.226 (the fraction of the Sun obscured).

Protect your eyes

Observers must be very careful while viewing the solar eclipse. Our advice is to never look at the Sun with the naked eye.For safety, you must always use sunglasses, telescopes and binoculars with special filters. Never use these equipments without protection as the Sun's ultraviolet and infrared light may harm your eyes or cause blindness if you look at the Sun directly.

(cc by 2.0) > National Park Service
(cc by-sa 2.0) > Gerwin Sturm

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Content last updated on 2016-01-23