Mount Diablo Astronomical Society

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In partnership with the
Astronomical Society of the Pacific

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Date: Saturday, June 20, 2026

Time: 8 p.m. - 11 p.m. Pacific

Location: Mount Diablo - Lower Summit Parking Lot
Summit Rd
Clayton, CA 94517

Legend:

Moon

Mercury

Venus

Earth

Mars

Jupiter

Saturn

Uranus

Neptune

Pluto

Legend:

Moon

Mercury

Venus

Earth

Mars

Jupiter

Saturn

Uranus

Neptune

Pluto

This chart represents the sky one hour after sunset on June 20, 2026 at the event location.

Chart generated from Your Sky.

Mon 6/8/2026

7 p.m. - 8 p.m. Pacific

Thu 6/11/2026

11 a.m. - 1 p.m. Pacific

Concord Library Exploration Stations Concord Library
2900 Salvio Concord, CA

Tue 6/16/2026

11 a.m. - 1 p.m. Pacific

Pleasant Hill Library Exploration Stations Pleasant Hill Library
2 Monticello Ave Pleasant Hill, CA

Sat 6/20/2026

8 p.m. - 11 p.m. Pacific

Public Astronomy Program: The Moon - Earth's Lost Rock! Mount Diablo - Lower Summit Parking Lot
Summit Rd Clayton, CA