Solar Eclipse in Helena — 20.0% Partial

Where to watch

Visibility Map — Helena

United States will see a partial solar eclipse. Click anywhere on the map to see the occultation percentage at that location.

Cities in United States →Worldwide · Other Countries →

Timeline

Contact Times

Helena · September 23, 2071

C1 — Partial begins09:40:19 AM MDT

Maximum eclipse09:48:00 AM MDT

C4 — Partial ends09:55:40 AM MDT

Live simulation

Eclipse in motion

Watch the Moon cross the Sun from C1 to C4. Play at speed or scrub through the timeline — during the actual eclipse it tracks live.

During eclipse

Normal sky

⇔

What you'll experience

Sky Simulation

Drag the slider to compare the sky before and during totality. At peak, stars appear at midday and the horizon glows in all directions.

≈ Dusk

Sky darkness

−4°C

Temp. drop

2,900 km/h

Moon speed

🌑 Simulated at totality peak

United States

Cities in United States

Brownsville99%

Mission99%

McAllen99%

Pharr99%

San Juan99%

Alamo99%

Donna99%

Weslaco99%

Alton99%

Mercedes99%

Edinburg99%

San Benito99%

Harlingen99%

Laredo96%

Kingsville94%

Nogales93%

Alice93%

Rio Rico93%

Imperial Beach93%

Eagle Pass92%

Chula Vista92%

Portland91%

Los Angeles86%

Phoenix84%

Austin82%

Miami70%

Dallas70%

Sacramento62%

Atlanta49%

Denver47%

Salt Lake City47%

Boise34%

Dallas28%

Portland26%

Chicago24%

Austin22%

Detroit18%

Minneapolis18%

Philadelphia17%

Seattle17%

New York City14%

Boston7%

Portland4%

Worldwide

Other Countries

VenezuelaTOTAL

MexicoTOTAL

ColombiaTOTAL

United States99%

Brazil99%

Guyana96%

Cayman Islands95%

Aruba95%

Curaçao94%

Belize93%

Jamaica92%

Suriname92%

French Guiana91%

Cuba90%

Honduras89%

Nicaragua88%

Trinidad & Tobago86%

Guatemala85%

Haiti83%

Panama80%

Dominican Rep.78%

El Salvador77%

Costa Rica75%

St. Vincent75%

Barbados71%

St. Lucia71%

Puerto Rico69%

Martinique69%

Turks & Caicos68%

Bahamas67%

Dominica67%

US Virgin Islands66%

Guadeloupe65%

Antigua & Barbuda62%

Ecuador55%

PE48%

BO34%

Canada19%

CL6%

Sierra Leone5%

Guinea3%

Liberia3%

PY2%

Argentina2%

Angola1%