Total solar eclipse of July 22, 2009

Total eclipse

Key facts

Date
July 22, 2009
Type
Total eclipse
Duration of totality at eclipse maximum
6 min 39 s
Global eclipse maximum
at 02:36 UTC UTC (Coordinated Universal Time): the worldwide time standard, independent of local time zones and daylight saving time.
Coordinates of greatest eclipse
24.2° N – 144.1° E
Path width at maximum
about 258 km
Saros series Number of the Saros series to which the eclipse belongs: similar eclipses recur about every 18 years and 11 days, with a comparable type and path, though not over the same locations each time.
136
Visibility map — Total eclipse on July 22, 2009

Choose a location anywhere on Earth to see if the eclipse will be visible, check local times, and watch it unfold in an animation.

Explore the eclipse

The path of totality crosses India, Bhutan, and China. Along it, the Moon completely covers the Sun for about 6 minutes 39 seconds at maximum. A partial solar eclipse extends across neighboring parts of South and East Asia, including the Korean Peninsula and Taiwan.

Path of totality

Regions
China, India, Bhutan
Example destinations
ChinaIndiaBhutan
Example locations
ShanghaiDarjeelingThimphu

To look at the Sun: eclipse glasses, except during totality at your location.

ShanghaiChina

View the eclipse
Key moment Local time Obscuration Comment
Partial — start
Wed, Jul 22
The Moon starts covering the Sun
Start of totality
Wed, Jul 22
The solar disc is completely covered by the Moon
Maximum
Wed, Jul 22
Maximum obscuration
End of totality
Wed, Jul 22
The Sun reappears — eclipse glasses required
Partial — end
Wed, Jul 22
The Moon no longer covers the Sun

DarjeelingIndia

View the eclipse
Key moment Local time Obscuration Comment
Partial — start
Wed, Jul 22
The Moon starts covering the Sun
Start of totality
Wed, Jul 22
The solar disc is completely covered by the Moon
Maximum
Wed, Jul 22
Maximum obscuration
End of totality
Wed, Jul 22
The Sun reappears — eclipse glasses required
Partial — end
Wed, Jul 22
The Moon no longer covers the Sun

ThimphuBhutan

View the eclipse
Key moment Local time Obscuration Comment
Partial — start
Wed, Jul 22
The Moon starts covering the Sun
Start of totality
Wed, Jul 22
The solar disc is completely covered by the Moon
Maximum
Wed, Jul 22
Maximum obscuration
End of totality
Wed, Jul 22
The Sun reappears — eclipse glasses required
Partial — end
Wed, Jul 22
The Moon no longer covers the Sun

Areas with a partial eclipse

Regions
Nepal, Bangladesh, Taiwan, South Korea, North Korea
Example destinations
NepalBangladeshTaiwanSouth KoreaNorth Korea
Example locations
KathmanduDhakaTaipeiBusanPyongyang

To look at the Sun: eclipse glasses for the whole eclipse.

KathmanduNepal

View the eclipse
Key moment Local time Obscuration Comment
Sunrise
Wed, Jul 22
Sun’s centre on the horizon
Partial — start
Wed, Jul 22
The Moon starts covering the Sun
Maximum
Wed, Jul 22
Maximum obscuration
Partial — end
Wed, Jul 22
The Moon no longer covers the Sun

DhakaBangladesh

View the eclipse
Key moment Local time Obscuration Comment
Partial — start
Wed, Jul 22
The Moon starts covering the Sun
Maximum
Wed, Jul 22
Maximum obscuration
Partial — end
Wed, Jul 22
The Moon no longer covers the Sun

TaipeiTaiwan

View the eclipse
Key moment Local time Obscuration Comment
Partial — start
Wed, Jul 22
The Moon starts covering the Sun
Maximum
Wed, Jul 22
Maximum obscuration
Partial — end
Wed, Jul 22
The Moon no longer covers the Sun

BusanSouth Korea

View the eclipse
Key moment Local time Obscuration Comment
Partial — start
Wed, Jul 22
The Moon starts covering the Sun
Maximum
Wed, Jul 22
Maximum obscuration
Partial — end
Wed, Jul 22
The Moon no longer covers the Sun

PyongyangNorth Korea

View the eclipse
Key moment Local time Obscuration Comment
Partial — start
Wed, Jul 22
The Moon starts covering the Sun
Maximum
Wed, Jul 22
Maximum obscuration
Partial — end
Wed, Jul 22
The Moon no longer covers the Sun

Watch a solar eclipse safely

To look directly at the Sun, use eclipse glasses that conform to ISO 12312-2 and are in good condition. Ordinary sunglasses do not provide enough protection.

You may look at the Sun without glasses only during totality at your observing location, when its disc is completely covered by the Moon. Put them back on as soon as the Sun begins to reappear. During a partial or annular eclipse, eclipse glasses remain necessary for any direct viewing.

Do not use binoculars, a telescope, a camera, or any other optical instrument unless it is fitted with a suitable solar filter placed in front of the optics. Eclipse glasses are not sufficient in this case.

The information and times shown are provided for guidance only. Each observer must check local conditions and follow the applicable safety guidelines.

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Calculations and simulation based on the Besselian elements of Fred Espenak (NASA/GSFC)

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