2021 Sky and Space Calendar

January 2: Earth at perihelion, closest point to the sun, 91.4 million miles

January 4: Latest Sunrise

January 23: Saturn at Superior Conjunction—behind the sun

January 28: Jupiter at Superior Conjunction—behind the sun

February: China’s Tianwen 1 (orbiter & rover) reaches Mars

February 6: 50th Anniversary of the First Golf Shot on the moon—Alan Shepard, Apollo 14

February 12: Chinese New Year—Year of the Ox

February 18: Perseverance rover lands in Jezero Crater on Mars

February 20: NASA’s Parker Solar Probe mission makes fourth Venus flyby

March 14: Spring ahead! Daylight Saving Time begins; Pi Day and Einstein’s Birthday

March 20: Spring begins at 4:37 a.m. CDT

March 26: Venus at superior conjunction—behind the sun as viewed from Earth

April 12: 60th Anniversary of First Person in Space—USSR’s Yuri Gagarin; 40th Anniversary of First Space Shuttle Launch

April 26-27: Super Full Moon

May 5: 60th Anniversary of First American Person in Space—Alan Shepard

May 26: Partial Super Moon Lunar Eclipse; Milwaukee, WI Times: 4:45 a.m. to 5:23 a.m. CDT

May 28: Venus and Mercury close in evening sky

June 10: Partial Solar Eclipse; Milwaukee WI times: 5:12 a.m. to 5:41 a.m. CDT

June 14: Earliest Sunrise

June 20: Summer Solstice starts at 10:32 p.m. CDT

June 27: Latest Sunset

July 5: Earth at aphelion, the farthest point from the sun, 94.5 million miles

July 4-5: Penumbral Lunar Eclipse (not visible in Wisconsin, North America)

June 12: Mars and Venus—very close in evening sky

July 22: Launch of NASA’s Double Asteroid Redirection Test (DART) to asteroids Didymos & Dimorphos

August 1: Saturn at opposition, visible all night

August 11-13: Perseid meteor shower peaks

August 19: Jupiter at opposition, visible all night

September 14: Neptune at opposition

September 22: Fall arrives with the autumnal equinox at 2:21 p.m. CDT

October 16: NASA’s Parker Solar Probe mission makes fifth Venus flyby; Launch of NASA’s Lucy flyby mission to multiple Trojan asteroids

October 31: Launch of NASA’s James Webb Space Telescope

November: Launch of NASA’s Artemis I to moon, test mission, no astronauts

November 4: Uranus at opposition

November 7: Fall back! Daylight Saving Time ends

November 19: Almost (97%) total lunar eclipse; Milwaukee, WI times: 1:18 a.m. to 4:47 a.m. CST

December 4: Total Solar Eclipse—Antarctica

December 7: Earliest Sunset

December 12-14: Geminid meteor shower peaks

December 21: Winter Solstice starts at 9:59 a.m. CST