 | Inauguración Viaje Al Universo y Charla "Expansión del Universo" | Monday, 08 November 2021 — 1:45 p.m. MST | Monday, 08 November 2021 — 3 p.m. MST | Online event |
 | Taller "El color de las Estrellas" | Monday, 08 November 2021 — 8 a.m. MST | Monday, 08 November 2021 — 10 a.m. MST | Online event |
 | Charla "El descubrimiento de un impostor" | Monday, 08 November 2021 — 7 a.m. MST | Monday, 08 November 2021 — 8 a.m. MST | Online event |
 | Taller de Espectroscopia | Monday, 08 November 2021 — 5:30 a.m. MST | Monday, 08 November 2021 — 6:30 a.m. MST | Online event |
| “Big Astronomy: People, Places, Discoveries.” Chilean Embassy at Singapore and Science Center of Singapore | Monday, 08 November 2021 — 3 a.m. MST | Monday, 08 November 2021 — 4:30 a.m. MST | Online event |
| FLASH Talks: Hot Jupiters, Magnetic Drag, and the Need for 3D Atmospheric Models (Hayley Beltz) & Gourav Khullar (University of Chicago) | Friday, 05 November 2021 — noon MST | Friday, 05 November 2021 — 1 p.m. MST | None |
 | How Do Massive Stars Live and Die? | Wednesday, 03 November 2021 — 5 p.m. MST | Wednesday, 03 November 2021 — 6 p.m. MST | Online event |
 | Programa Astronomia Escolar "Uso de Software Stellarium" | Wednesday, 03 November 2021 — 11:30 a.m. MST | Wednesday, 03 November 2021 — 1:30 p.m. MST | Online event |
| FLASH Talks: Massive X-ray flares from the coldest stars: What powers these outbursts? (Adam Burgasser) & Bumpy Declining Light Curves are Common in Hydrogen-poor Superluminous Supernovae (Griffin Hosseinzadeh) | Friday, 29 October 2021 — noon MST | Friday, 29 October 2021 — 1 p.m. MST | None |
| Programa Astronomia Escolar | Wednesday, 27 October 2021 — 7:30 p.m. MST | Wednesday, 27 October 2021 — 9:30 p.m. MST | Online event |
 | Globe at Night November 2021 Campaign | Wednesday, 27 October 2021 — midnight MST | Saturday, 06 November 2021 — midnight MST | Online event |
| FLASH Talks: Mapping the circumgalactic medium with Lyα emission (Dawn Erb) & A Wide-Area View on Reionization: Exploring Massive z~7 Galaxies and their Host Ionized Bubbles (Ryan Endsley) | Friday, 22 October 2021 — noon MST | Friday, 22 October 2021 — 1 p.m. MST | None |
| East Asian Observatory Teacher Workshop | Thursday, 21 October 2021 — 3 p.m. MST | Thursday, 21 October 2021 — 3:30 p.m. MST | Online event |
| Programa Astronomia Escolar: " El Sistema Solar" | Wednesday, 20 October 2021 — 7:30 p.m. MST | Wednesday, 20 October 2021 — 9:30 p.m. MST | Online event |
| ʻOhana Kilo Hōkū Teacher Workshop | Friday, 15 October 2021 — 6 p.m. MST | Friday, 15 October 2021 — 10 p.m. MST | Online event |
| FLASH Talks: Improving Cosmological Utility of Type Ia Supernovae through Physics and Big Data (Jeffrey Andrews) & It Takes Two to Tango: Modeling Binary Stellar Populations in the Gravitational Wave Era (Matt Siebert) | Friday, 15 October 2021 — noon MST | Friday, 15 October 2021 — 1 p.m. MST | None |
 | Astrofotografia- Dime lo que ves y te dire qué aprendes | Thursday, 14 October 2021 — 12:30 p.m. MST | Thursday, 14 October 2021 — 1:30 p.m. MST | Online event |
| Mujeres Estelares | Thursday, 07 October 2021 — 2 p.m. MST | Thursday, 07 October 2021 — 3 p.m. MST | Online event |
 | Panel de Carreras en Astronomía | Wednesday, 06 October 2021 — 2 p.m. MST | Wednesday, 06 October 2021 — 3 p.m. MST | Online event |
| Nuevos descubrimientos en el Sistema Solar. | Wednesday, 06 October 2021 — 2 p.m. MST | Wednesday, 06 October 2021 — 3 p.m. MST | Online event |
 | Ciencia Ciudadana, astronomía para todos. | Wednesday, 06 October 2021 — 2 p.m. MST | Wednesday, 06 October 2021 — 3:30 p.m. MST | Online event |
 | Últimos descubrimientos extragalácticos de NOIRLab | Tuesday, 05 October 2021 — 2 p.m. MST | Tuesday, 05 October 2021 — 3 p.m. MST | Online event |
 | Nuevos descubrimientos del Sistema Solar, X encuentro de la Ciencias UCN | Tuesday, 05 October 2021 — 6 a.m. MST | Tuesday, 05 October 2021 — 7 a.m. MST | Online event |
| Dark and Quiet Skies for Science and Society II | Sunday, 03 October 2021 — 1 a.m. MST | Thursday, 07 October 2021 — 9 a.m. MST | Online event |
| Are Supernovae the Dust Producers in the Early Universe?: Near-IR Campaign of CO and Dust Formation in Supernovae // The DESI Focal Plane: Joys and Complication | Friday, 01 October 2021 — noon MST | Friday, 01 October 2021 — 1 p.m. MST | None |
 | Día 3: XII Seminario Habla Educador "Nuevos Desafíos para la implementación de estrategias educativas en tiempos de Pandemia | Thursday, 30 September 2021 — 11 a.m. MST | Thursday, 30 September 2021 — 2 p.m. MST | Online event |
| Día 2: XII Seminario Habla Educador "Nuevos Desafíos para la implementación de estrategias educativas en tiempos de Pandemia | Wednesday, 29 September 2021 — 11 a.m. MST | Wednesday, 29 September 2021 — 2 p.m. MST | Online event |
| Día 1: XII Seminario Habla Educador "Nuevos Desafíos para la implementación de estrategias educativas en tiempos de Pandemia | Tuesday, 28 September 2021 — 11 a.m. MST | Tuesday, 28 September 2021 — 2 p.m. MST | Online event |
 | Globe at Night October 2021 Campaign | Monday, 27 September 2021 — midnight MST | Thursday, 07 October 2021 — midnight MST | Online event |
| Neptune Trojans and the DEEP L5 NT survey & Velocity-imaging of planetary discs around white dwarfs | Friday, 24 September 2021 — noon MST | Friday, 24 September 2021 — 1 p.m. MST | None |
| Taller fases de la luna y lunas del sistema solar | Thursday, 23 September 2021 — 7 a.m. MST | Thursday, 23 September 2021 — 8 a.m. MST | Online event |
| Solar System Workshop | Friday, 03 September 2021 — 7 a.m. MST | Friday, 03 September 2021 — 9 a.m. MST | Online event |
| Contaminación Luminica y la protección de los Cielos | Thursday, 02 September 2021 — noon MST | Thursday, 02 September 2021 — 1 p.m. MST | Online event |
 | How Fast Is the Universe Expanding and Why Does It Matter? | Wednesday, 01 September 2021 — 5 p.m. MST | Wednesday, 01 September 2021 — 6 p.m. MST | Online event |
| Globe at Night September 2021 Campaign | Saturday, 28 August 2021 — midnight MST | Wednesday, 08 September 2021 — midnight MST | Online event |
| WIYN & Mayall Summer Shutdowns | Friday, 27 August 2021 — noon MST | Friday, 27 August 2021 — 1 p.m. MST | Online event |
| Solar System Workshop | Wednesday, 25 August 2021 — 7 a.m. MST | Wednesday, 25 August 2021 — 8 a.m. MST | Online event |
| Solar System Workshop | Tuesday, 24 August 2021 — 7 a.m. MST | Tuesday, 24 August 2021 — 8 a.m. MST | Online event |
 | Gemini Observatory Science Meeting 2021 | Monday, 23 August 2021 — 2 p.m. MST | Thursday, 26 August 2021 — 6 p.m. MST | Online event |
 | 2021 Rubin Project and Community Workshop | Monday, 09 August 2021 — 8 a.m. MST | Friday, 13 August 2021 — 5 p.m. MST | Online event |
| La Contaminación Luminica y la protección del Cielo | Saturday, 07 August 2021 — 5:50 p.m. MST | Saturday, 07 August 2021 — 6:50 p.m. MST | Online event |
 | Opening Your Windows On The Universe | Wednesday, 04 August 2021 — 5 p.m. MST | Wednesday, 04 August 2021 — 6 p.m. MST | Online event |
| Globe at Night August 2021 Campaign | Thursday, 29 July 2021 — midnight MST | Monday, 09 August 2021 — midnight MST | Online event |
 | Supernovas: de un final estelar y el origen de los elementos | Wednesday, 28 July 2021 — 3 p.m. MST | Wednesday, 28 July 2021 — 4 p.m. MST | Online event |
 | Kamaʻāina Connections Program & Community Building | Wednesday, 21 July 2021 — 5 p.m. MST | Wednesday, 21 July 2021 — 6 p.m. MST | Online event |
| Colors StudioLab | Monday, 19 July 2021 — 9 a.m. MST | Monday, 19 July 2021 — 3 p.m. MST | Arizona Sonoran Desert Museum |
 | SATCON2 press conference | Friday, 16 July 2021 — 1 p.m. MST | Friday, 16 July 2021 — 2 p.m. MST | Online event |
 | Information On The Tohono O'odham History And Culture | Wednesday, 14 July 2021 — 2 p.m. MST | Wednesday, 14 July 2021 — 3 p.m. MST | Online event |
| SATCON2 | Monday, 12 July 2021 — 9 a.m. MST | Friday, 16 July 2021 — 9 a.m. MST | Online event |
 | Summer Fun | Thursday, 08 July 2021 — 1 p.m. MST | Thursday, 08 July 2021 — 2 p.m. MST | Hisaoka Gym | Kamehameha Park |
 | Globe at Night: Campaña Mundial para la preservación los cielos oscuros | Wednesday, 07 July 2021 — 3 p.m. MST | Wednesday, 07 July 2021 — 4 p.m. MST | Online event |
| Summer Fun | Wednesday, 07 July 2021 — 1 p.m. MST | Wednesday, 07 July 2021 — 2 p.m. MST | Keeau Armory: Keaau-Pahoa Rd, Keaau, HI 96749 |
 | Hilo Solar System Walk 2021 | Wednesday, 07 July 2021 — 6 a.m. MST | Saturday, 07 August 2021 — 6 p.m. MST | Liliʻuokalani Park and Gardens |
 | Summer Fun | Thursday, 01 July 2021 — 12:30 p.m. MST | Thursday, 01 July 2021 — 1:30 p.m. MST | Andrews Gym: 33 W | Kawailani Street, Hilo, HI 96720 |
 | Asteroids, Meteorites and Chondrites: Deciphering the History of the Solar System | Wednesday, 30 June 2021 — 5 p.m. MST | Wednesday, 30 June 2021 — 6 p.m. MST | Online event |
 | TMT chat with Boulder REU students | Wednesday, 30 June 2021 — 1:30 p.m. MST | Wednesday, 30 June 2021 — 2:30 p.m. MST | Online event |
| Globe at Night July 2021 Campaign | Wednesday, 30 June 2021 — midnight MST | Sunday, 11 July 2021 — midnight MST | Online event |
| Summer Fun | Tuesday, 29 June 2021 — 1 p.m. MST | Tuesday, 29 June 2021 — 2 p.m. MST | Waikoloa | Puunui Park |
 | Colors of Nature/Colors StudioLab: An Innovative STEAM Program at NOIRLab | Wednesday, 23 June 2021 — 5 p.m. MST | Wednesday, 23 June 2021 — 6 p.m. MST | Online event |
| PISCES Stars Summer Program | Monday, 21 June 2021 — 3 p.m. MST | Monday, 21 June 2021 — 4:30 p.m. MST | Online event |
 | PISCES Stars Summer Program | Monday, 21 June 2021 — 2 p.m. MST | Monday, 21 June 2021 — 3 p.m. MST | Online event |
| PISCES Stars Program: Virtual Career Panel | Monday, 21 June 2021 — 1 p.m. MST | Monday, 21 June 2021 — 2 p.m. MST | Online event |
| Girl Scouts Virtual Astronomy Camp | Saturday, 19 June 2021 — 8 p.m. MST | Saturday, 19 June 2021 — 11:30 p.m. MST | Online event |
 | Akamai Internship Program | Wednesday, 16 June 2021 — 1:30 p.m. MST | Thursday, 17 June 2021 — 4:30 p.m. MST | UH Hilo |
 | Astrofotografía: Dime lo que miras y te diré qué aprendes | Wednesday, 16 June 2021 — midnight MST | Wednesday, 16 June 2021 — 2 a.m. MST | Online event |
| Capacitacion Operadores Turisticos Salamanca | Friday, 11 June 2021 — 4 p.m. MST | Friday, 11 June 2021 — 6 p.m. MST | Online event |
| San Antonio Teacher Training Astronomy Academy 2021 | Friday, 11 June 2021 — 11 a.m. MST | Friday, 11 June 2021 — noon MST | Online event |
 | A Conversation with Gemini’s Chief Scientist | Wednesday, 09 June 2021 — 5 p.m. MST | Wednesday, 09 June 2021 — 6 p.m. MST | Online event |
| Capacitacion Operadores Turisticos Salamanca | Friday, 04 June 2021 — 4 p.m. MST | Friday, 04 June 2021 — 6 p.m. MST | Online event |
 | Strong Gravitational Lenses Discovered in the DESI Legacy Imaging Surveys | Wednesday, 02 June 2021 — 5 p.m. MST | Wednesday, 02 June 2021 — 6 p.m. MST | Online event |
| Mateada Astronómica | Tuesday, 01 June 2021 — 8 a.m. MST | Tuesday, 01 June 2021 — 9 a.m. MST | Online event |
| Globe at Night June 2021 Campaign | Monday, 31 May 2021 — midnight MST | Friday, 11 June 2021 — midnight MST | Online event |
| Capacitacion Operadores Turisticos Salamanca | Friday, 28 May 2021 — 4 p.m. MST | Friday, 28 May 2021 — 6 p.m. MST | Online event |
| LfN Hawaii IFA REU | Friday, 28 May 2021 — noon MST | Friday, 28 May 2021 — 1 p.m. MST | Online event |
 | Actualización de la norma Lumínica - Protección del Cielo Nocturno para Todo Chile | Wednesday, 26 May 2021 — 3 p.m. MST | Wednesday, 26 May 2021 — 4 p.m. MST | Online event |
| Virtual Visit to U of A for Ha:san Prep Students in MESCIT | Thursday, 20 May 2021 — 2 p.m. MST | Thursday, 20 May 2021 — 3:30 p.m. MST | Online event |
 | A Chemically-peculiar Star Found from its Colors | Wednesday, 19 May 2021 — 5 p.m. MST | Wednesday, 19 May 2021 — 6 p.m. MST | Online event |
| Capacitacion Operadores Turisticos Salamanca | Friday, 14 May 2021 — 4 p.m. MST | Friday, 14 May 2021 — 6 p.m. MST | Online event |
 | Satellite Constellations And The Industrialization Of Space | Wednesday, 12 May 2021 — 5 p.m. MST | Wednesday, 12 May 2021 — 6 p.m. MST | Online event |
| Capacitacion Operadores Turisticos Salamanca | Friday, 07 May 2021 — 4 p.m. MST | Friday, 07 May 2021 — 6 p.m. MST | Online event |
 | Big Astronomy Live! | Thursday, 06 May 2021 — 2 p.m. MST | Thursday, 06 May 2021 — 3 p.m. MST | Online event |
 | Potenciando el desarrollo de la Astronomía internacional desde la Región | Wednesday, 05 May 2021 — 1 p.m. MST | Wednesday, 05 May 2021 — 2 p.m. MST | Online event |
| Globe at Night May 2021 Campaign | Sunday, 02 May 2021 — midnight MST | Thursday, 13 May 2021 — midnight MST | Online event |
 | The Gemini Card Game | Saturday, 01 May 2021 — 12:30 p.m. MST | Saturday, 01 May 2021 — 2 p.m. MST | Online event |
| Lei Day Festival | Saturday, 01 May 2021 — midnight MST | Saturday, 01 May 2021 — 1 a.m. MST | Kalakaua Park |
 | AstroDay | Friday, 30 April 2021 — 6 a.m. MST | Sunday, 02 May 2021 — 6 p.m. MST | Prince Kuhio Plaza |
 | Big Astronomy Live! | Thursday, 29 April 2021 — 5 p.m. MST | Thursday, 29 April 2021 — 6 p.m. MST | Online event |
| Capacitacion Operadores Turisticos Salamanca | Thursday, 29 April 2021 — 4 p.m. MST | Thursday, 29 April 2021 — 6 p.m. MST | Online event |
 | On the Hunt for Terrestrial Exoplanets with MAROON-X | Wednesday, 28 April 2021 — 5 p.m. MST | Wednesday, 28 April 2021 — 6 p.m. MST | Online event |
| Capacitacion Operadores Turisticos Salamanca | Friday, 23 April 2021 — 4 p.m. MST | Friday, 23 April 2021 — 6 p.m. MST | Online event |
 | Citizen Science At NOIRLab | Wednesday, 21 April 2021 — 5 p.m. MST | Wednesday, 21 April 2021 — 6 p.m. MST | Online event |
| Capacitacion Operadores Turisticos Salamanca | Friday, 16 April 2021 — 4 p.m. MST | Friday, 16 April 2021 — 6 p.m. MST | Online event |
 | Big Astronomy Live! | Thursday, 15 April 2021 — 11 a.m. MST | Thursday, 15 April 2021 — noon MST | Online event |
 | Agujeros Negros ¿realidad o ficción? | Wednesday, 14 April 2021 — 1 p.m. MST | Wednesday, 14 April 2021 — 2 p.m. MST | Online event |
 | Creating the 2021 Waimea Solar System Walk | Wednesday, 07 April 2021 — 5 p.m. MST | Wednesday, 07 April 2021 — 6 p.m. MST | Online event |
 | Hazardous Asteroids | Saturday, 03 April 2021 — 9:30 a.m. MST | Saturday, 03 April 2021 — 10:30 a.m. MST | Online event |
| Globe at Night April 2021 Campaign | Saturday, 03 April 2021 — midnight MST | Tuesday, 13 April 2021 — midnight MST | Online event |
| NOIRLab Career Panel | Thursday, 01 April 2021 — 2 p.m. MST | Thursday, 01 April 2021 — 3:15 p.m. MST | Online event |
 | Giant Black Holes And Their Eating Habits | Wednesday, 31 March 2021 — 5 p.m. MST | Wednesday, 31 March 2021 — 6 p.m. MST | Online event |
| Ha:san Prep Classroom Virtual Classroom Visit | Wednesday, 24 March 2021 — 1:25 p.m. MST | Wednesday, 24 March 2021 — 2:20 p.m. MST | Online event |
