Photo Via Antero Aaltonen/Shutterstock
A partial lunar eclipse will be visible from Calgary tonight, and it’s going to be pretty hard to miss. Most of the Moon will move into the Earth’s shadow, with nearly 93 per cent covered at the peak of the eclipse. The Moon may also appear a reddish-orange colour as the eclipse reaches its maximum. And you don’t need a telescope or any special equipment to see either, so if the skies are clear, all you have to do is look up!
Now let’s take a look at everything you need to know about tonight’s lunar eclipse and how to see it.
According to NASA, the eclipse will be visible tonight, Thursday, Aug. 27, 2026, with the Moon rising in Calgary at around 8:32 p.m. The partial eclipse will begin shortly after at 8:30 p.m., so you can start watching as the Earth’s shadow slowly moves across the Moon.
The main event will happen at 10:12 p.m., when the eclipse reaches its peak and nearly 93 per cent of the Moon will be covered. The eclipse will continue until 11:51 p.m., and will be followed by a less noticeable penumbral phase until 1:01 a.m.
As Earth’s shadow moves across the Moon, you’ll see part of it become noticeably darker. At the peak, almost the entire Moon will be inside the darkest part of the Earth’s shadow.
The covered portion can also take on a reddish-orange colour, while the small part of the Moon outside the shadow remains brighter. This red colour comes from sunlight passing through Earth’s atmosphere before reaching the Moon. Earth’s atmosphere filters out much of the blue light and allows more red and orange light to reach the lunar surface.
Unfortunately, clouds can block your view of the Moon. And while the eclipse itself will happen no matter what, you’ll still need a clear enough patch of sky to see it from Calgary.
According to the Weather Network, Calgary is expected to have mainly sunny skies through the evening, with conditions becoming clear around 9 p.m. and staying clear through 10:12 p.m. peak. There’s only a 10 per cent chance of precipitation around 10 p.m., so the forecast looks pretty favourable for eclipse viewing.
You don’t need to leave Calgary to see the eclipse, but where you watch from can make a big difference. The Moon will rise around 8:30 p.m., and the partial eclipse begins just 10 minutes later. At that point, the Moon will be extremely low on the horizon, so a spot with an open view will be your best bet. By the 10:12 p.m. peak, it will still only be about 15 degrees above the southeastern horizon.
A few Calgary spots worth considering:
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