| Global Event: | Total Lunar Eclipse |
|---|---|
| Local Type: | Total Lunar Eclipse in Adak, Alaska |
| Began: | Tue, May 25, 2021 at 11:47 pm |
| Maximum: | Wed, May 26, 2021 at 2:18 am 1.009 Magnitude |
| Ended: | Wed, May 26, 2021 at 4:49 am |
| Duration: | 5 hours, 2 minutes | All times shown on this page are local time. |
May 25–26, 2021 — Total Lunar Eclipse — Adak
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The animation shows what the eclipse approximately looked like in Adak. Stages and times of the eclipse are outlined below. All times were local time (HDT) for Adak.
| Time | Phase | Event | Direction | Altitude |
|---|---|---|---|---|
| 11:47 pm Tue, May 25 | Penumbral Eclipse begins The Earth's penumbra start touching the Moon's face. Moon close to horizon, so make sure you have free sight to Southeast. |  140° | 7.9° | |
| 12:45 am Wed, May 26 | Partial Eclipse begins Partial moon eclipse starts - moon is getting red. | 152° | 12.5° | |
| 2:11 am Wed, May 26 | Total Eclipse begins Total moon eclipse starts - completely red moon. | 172° | 16.1° | |
| 2:18 am Wed, May 26 | Maximum Eclipse Moon is closest to the center of the shadow. | 173° | 16.3° | |
| 2:25 am Wed, May 26 | Total Eclipse ends Total moon eclipse ends. | 175° | 16.3° | |
| 3:52 am Wed, May 26 | Partial Eclipse ends Partial moon eclipse ends. | 195° | 14.9° | |
| 4:49 am Wed, May 26 | Penumbral Eclipse ends The Earth's penumbra ends. | 208° | 11.5° |
How to use altitude & direction to find in the sky
The curvature of the shadow's path and the apparent rotation of the Moon's disk is due to the Earth's rotation.
This total lunar eclipse was fully visible in Adak. The total lunar eclipse is sometimes called a blood moon, as the Moon turns red.
Cloud Coverage (May 25–26)
In the past, this day was cloudy 95% of the time (since 2000).
Lunar Eclipses
- When Is the Next Lunar Eclipse?
- Total Lunar Eclipse
- Why Does the Moon Turn Red?
- Partial Lunar Eclipse
- Penumbral Lunar Eclipse
- Can I See a Lunar Eclipse?
- Blood Moon - Total Lunar Eclipse
- Eclipse Seasons
- What Is a Tetrad?
- Magnitude of Eclipses
- Accuracy of Our Eclipse Calculations
- Why Two Dates for a Lunar Eclipse?
Eclipses and Transits Visible in Adak
| Eclipse Visibility From Adak | Visibility Worldwide | ||
|---|---|---|---|
| Mar 13–14, 2025 Total Lunar Eclipse | Total Lunar Eclipse |  | |
| Sep 7, 2025 Partial Lunar Eclipse | Total Lunar Eclipse |  | |
| Mar 2–3, 2026 Total Lunar Eclipse | Total Lunar Eclipse |  | |
| Aug 12, 2026 Partial Solar Eclipse | Total Solar Eclipse |  | |
| Aug 27, 2026 Penumbral Lunar Eclipse | Partial Lunar Eclipse |  | Note: Click on the date link for details in Adak, or the path map image for global details. |
Next total solar eclipse visible in Adak