4/19
420 Eve on the Rocks featuring 311, Method Man & Redman, Collie Buddz, Long Beach Dub Allstars, PROF and Chali2na; Red Rocks Amphitheatre, Morrison, CO
A 420 Weekend Kickoff Party featuring Grantful Dead with Rapid Grass and Rum Creek; Cervantes' Masterpiece Ballroom, Denver, CO
Cannabis Legalization in New Jersey: Beyond the Bias, All Wars Memorial Building, Atlantic City, NY
Glazed: An Early Four-Twenty Celebration featuring comedian Mike Glazer; El Cid, Los Angeles, CA
Devin the Dude, ZEALE and Phranchyze; Los Globos, Los Angeles, CA
Twiddle, Higher Ground, South Burlington, VT
Cheech & Chong, Community Theatre, Morristown, NJ
Doug Benson, Punch Line Comedy Club, Sacramento, CA
4/19-21
Wanee 2018 featuring Widespread Panic, Phil Lesh & the Terrapin Family Band, the Chris Robinson Brotherhood, Dark Star Orchestra and more; Spirit of the Suwannee Music Park, Live Oak, FL (camping event)
4/19-22
Palm Springs Cannabis Film Festival & Summit, Camelot Theatres, Palm Springs, CA
4/19-23
Baked on the Beach, Little Bay, Jamaica
4/20
420 Hippie Hill Festival, Golden Gate Park, San Francisco, CA
420 Toronto, Nathan Phillips Square, Toronto, CA
420 Vancouver Protest & Farmer's Market, Sunset Beach, Vancouver, BC
4:20 Reggae Fiesta on the River featuring Dub Is a Weapon and Crazy Baldhead Dub Apparatus; Rocks Off Cruise, New York, NY
420 Farmer's Market, Magnolia Wellness, Oakland, CA
420 Celebration with Jane West, National Holistic Healing Center, Washington, DC
420 Loud Fest featuring Chilly Sosa, Cali Stackz, MADMAXX and Dragonite; location TBA, Los Angeles, CA
420 Party, The Austin Dragon, Austin, TX
420 in Weed Country featuring Ngaio Bealum, Mendo Dope Band, Winstron and DJ Smokin Joe; McCarty's Bar & Grill, Redwood Valley, CA
420 Boston, 420 Haus, Jamaica Plain, MA
420Fest, Culture Yard, Seattle, WA
420: A Ganjapalooza, House of Yes, Brooklyn, NY
420 Prohibition Party featuring Mac & Dub and the Smokin' Section Band; private location, Portland, OR
420 Paisa Fest featuring Mr. Shadow, El Cacho, Nazik and Linz; Versatil, Commerce City, CO
420 Show featuring Carnographer, Xenophonic, Orpheus, Crypt Fiend and Eminent Terror; BAR BAR, Denver, CO
420: The Musical, Unruly Collective, Brooklyn, NY
420 Smoketacular featuring Bong Hits for Jesus, Oolala, Alright Junior, Looseleaf and Endless Taile; Connie's Ric Rac, Philadelphia, PA
Bloom: 420 Industry Appreciation Party featuring Liquid Love Drops. LabRat, Oneness and Naughty Princess; Xhale, Stateline, NV
Myxed Up 420 featuring Caspa and more; Myxed Up Creations, Denver, CO
Cheba Hut 4/20 Party, 745 Colorado Blvd., Denver, CO
Cheba Hut 4/20 Party, 2550 S. Rainbow Blvd., Las Vegas, NV
Mile High 420 Festival featuring Lil Wayne, Lil Jon, the Wailers, Inner Circle and Whitewater Ramble; Civic Center Park, Denver, CO
Harborside Presents 4/20, Harborside Health Center, Oakland, CA
Hella 420, Exhale Smoke Shop, Sacramento, CA
Society Sesh 420 Fest, location TBA, Phoenix, AZ
Roach Records 420, Mac's Bar, Lansing, MI
Sailfish 420 Fest, Sailfish Brewing Company, Fort Pierce, FL
Go4Twenty Smoke Fest, Eddie's Lounge, Glendale, AZ
Four Twenty Fundraiser & Voter Registration Drive, location TBA, Chicago, IL
Stoner Jordan Smoke Out, The Rogue Bar, Scottsdale, AZ
Smokin' on the Funk 4/20 featuring Rowdy Shadehouse, Globe Hall, Denver, CA
National Cannabis Festival Policy Summit, Annenberg Theater at the Newseum, Washington, DC
Mendocino Cannabis Resource Conference, Little Lake Grange, Willits, CA
Snoop Dogg's 420 Wellness Retreat: Snoop Dogg, Migos, Lil Pump, Rob Stone and Tiara Thomas; Fiddlers Green Amphitheatre, Englewood, CO (5 pm show)
Snoop Dogg and Rae Sremmurd, Drai's Live, Las Vegas, NV (10:30 pm show)
Method Man & Redman, Collie Buddz with Chali2na and Project 432; Cervantes' Masterpiece Ballroom, Denver, CO
Berner, 2 Chainz, Chief Keef, Styles P and Trippie Redd; Bill Graham Civic Auditorium, San Francisco, CA
Smoke Me Out Tour featuring Legado 7, Omar Ruiz, Guitarra, Arsenal Efectivo and Los Hijos de Garcia; Microsoft Theater, Los Angles, CA
High in the Sky Expo & Festival featuring Al B. Sure and more; Desert Pines Golf Course, Las Vegas, NV
Willie Nelson & Family and Robert Earl Keen, Whitewater on the Horseshoe, New Braunfels, TX
Wiz Khalifa, Toyota Center, Kennewick, WA
Afroman, Gothic Theatre, Englewood, CO (5:30 pm show)
G. Love & Special Sauce, Light City, Baltimore, MD
Flosstradamus, Kazo, Famous Dex, Melvv and Ducky, Red Rocks Amphitheatre, Morrison, CO
Long Beach Dub Allstars, The Black Sheep, Colorado Springs, CO
CCB Reggae All-Stars, the Saturators and DJ Jah Culture, B.B. King's, New York, NY
Twiddle and The Breakfast, College Street Music Hall, New Haven, CT
420 Funk Mob, Colony, Woodstock, NY
Cheech & Chong, The Capitol Theatre, Port Chester, NY (2 shows)
Doug Benson, Paradise Performing Arts Center, Paradise, CA
Joe Rogan, The Wilbur, Boston, MA (2 shows)
Up in Smoke 40th Anniversary Screening, Hanford Fox Theatre, Hanford, CA
Cannabus Culture Film Festival, Social Club & Loungem Burlington, VT
Super Troopers 2 in theaters across the country
4/20-21
Dead on the Hilltop 420 Festival featuring Electric Noodle, Catfish John, the Groove, Hunter & the Dirty Jacks and more; Hilltop Tavern & Inn, Apple Valley, CA (camping event)
Reefer Madness: The Musical, The Bug Theatre, Denver, CO
4/20-22
Sweetwater 420 Fest featuring The String Cheese Incident, Umphrey's McGee, Tedeschi Trucks Band, Sturgill Simpson, Joe Russo'a Almost Dead, SOJA, the Motet and more; Centennial Olympic Park, Atlanta, GA
Colorado Springs 420 Fest & Tattoo Art Expo, Altered Reality Event Center, Colorado Springs, CO
High Times Cannabis Cup SoCal 2018 fearuring Nas, Lil Wayne, 2Chainz, Rick Ross, Lupe Fiasco, Fabolous, Yo Gotti and Rich the Kid; NOS Event Center, San Bernardino, CA
NEWS ALERT: On 4/19, the San Bernardino City Council voted 6-0 to deny High Times approval to have the event. At issue is on-site marijuana sales and consumption.
Coachella Valley Music & Arts Festival featuring The War on Drugs, Jamiroquai, Migos, David Byrne and more; Empire Polo Club, Indio, CA (2nd weekend)
420 on the Block featuring Action Bronson, Matisyahu, Karl Denson's Tiny Universe and more; Fox Street Compound, Denver, CO
420 Weekend ExtravaGANJA, Studio 420, Englewood, CO
Michigan Medical Marijuana Expo, Rocky's Pub, Riverview, MI
4/21
National Cannabis Festival featuring Cypress Hill; RFK Stadium, Washington, DC
Extravaganja 2018, Three County Fairgrounds, Northampton, MA
Red Eye Festival featuring Devin the Dude, Demrick, Odd Squad Family and DJ Hoppa; The Phoenix, Phoenix, AZ
Royalty Treasures Smoke Fest, location TBA, Oakland, CA
Sweetwater 420 Celebration featuring 420 Funk Mob, Gypsy Sally's, Washington, DC
Willie Nelson & Family and Robert Earl Keen, Whitewater on the Horseshoe, New Braunfels, TX
Snoop Dogg's Wellness Retreat featuring Snoop Dogg and Migos; Showare Center, Kent, WA
Snoop Dogg's Wellness Retreat featuring Snoop Dogg and Wiz Khalifa; Matthew Knight Arena, Eugene, OR (late show)
Smoke Me Out Tour featuring Legado 7, Omar Ruiz, Guitarra, Arsenal Efectivo and Los Hijos de Garcia; Stampde, Aurora, CO
Afroman, Kind Dub, Dawn Milo and Redcoat Kid; Aggie Theater, Fort Collins, CO
Twiddle and Gatos Blancos, Sherman Theater, Stroudsburg, PA
Cheech & Chong, The Paramount, Huntington, NY
Doug Benson Loves Movies, Punch Line Comedy Club, Sacramento, CA
Bill Maher, Treasure Island Event Center, Welch, MN
Joe Rogan, The Wilbur, Boston, CA (2 shows)
4/21-22
Colorado 420 Fest, featuring LoveRance and Lethal Injektion; 2508 E. Bijou St., Colorado Springs, CO
Abracadabs Festival, Adelanto Stadium, Adelanto, CA
4/22
Snoop Dogg's Wellness Retreat featuring Snoop Dogg and Wiz Khalifa; Event Center at San Jose State University, San Jose, CA
Devin the Dude, Willie J Peso and M.Dot-80; Beauty Bar, Las Vegas, NV
Afroman and Nappy Roots; Moxi Theater, Greeley, CO
Twiddle and Gatos Blancos, Rex Theater, Pittsburgh, PA
Bill Maher, Orpheum Theater, Madison, WI
CannaVenture Hike, Charles A. Lory State Park (Well Gulch Trail), Bellvue, CO
Thanks to PotGuide.com and ColoradoPotGuide.com for many of these listings.