An attendee smokes marijuana during the Devin the Dude performance on Saturday, April 18, 2015 at Civic Center Park in Denver, Colorado. The annual 420 Rally once again brought over a thousand smokers and music lovers to the park to celebrate the holiday. (Brent Lewis, Denver Post file)

Colorado countdown to 4/20: Your guide to what’s happening when

The Front Range is gearing up for April 20: Here's a calendar of events scheduled so far

We’re just a few short weeks away from 4/20, a.k.a. the stoner’s rite of spring.

Here in Colorado, 4/20 has been a big deal since well before the state legalized adult-use cannabis three years ago. And given that this year’s 4/20 happens on a Thursday — two days after the federal income tax deadline and two days ahead of Earth Day — there should be all sorts of reasons to celebrate.

Trivia time: “420” reportedly became slang for cannabis-related activities decades ago, when a group of high school students in California used the term to describe their regular meet-up time after classes: 4:20 p.m., when they relaxed following what was presumably a hard day of academia.

Here’s a calendar of events currently scheduled to take place in and around the 4/20 festivities. We’ll be updating this list all the way up to the big day.

Got an event you’d like us to add? Send the details, including the name of the event, date, time, address, cost and a website or public phone contact to:

April 9: GoPuff Presents The Fourth Annual Denver Stoner Awards
A Cannabis and Comedy Extravaganza
7:00 p.m.
$20 online/$25 at the door. You must be 21 years of age to attend.
The Bug Theatre, 3654 Navajo St., Denver
Click here for more info.

April 14: High Holiday (420) Kickoff #SensiNight
Hosted by Sensi Mag, entertainment and cannabis networking
8:00 p.m. – 2:00 a.m.
RSVP for Free tickets
City Hall, 1144 Broadway, Denver
Click here for more info.

April 19: 420 Eve on the Rocks
Scheduled to perform: Method Man & Redman, Flatbush ZOMBiES
with Curren$y, $uicideBoy$, Futuristic, RDGLDGRN, Afroman, ProbCause
Doors open at 4:00 p.m., General admission tickets $45.00 online, $50.00 at the door
Red Rocks Amphitheatre, 18300 West Alameda Parkway Morrison
Click here for more info or call 888.929.7849.

April 20: Denver 420 Rally – Civic Center Park
Grammy award-winning rapper 2 Chainz scheduled to headline.
A free event that bills itself as the world’s first and largest 420 marijuana rally and cultural festival returns to Civic Center Park, from 10:00 a.m. to 8:00 p.m.
Click here for more info.

April 20: 420 HEAD RUSH
Music, Arts and Culture Festival
2:00 p.m – 2:00 a.m. $10-$20
Lincoln Station Bar, 776 Lincoln St., Denver
Click here for more info.

April 20: LITTY LIT 420 Celebration
4:20 p.m. – 11:59 p.m., Tickets: $10
An entire day of fun and festivities.
Speakeasy Vape Lounge and Cannabis Club
2508 E Bijou St, Colorado Springs
Click here for more info.

April 20: 420 On The Block
A multi-venue event featuring music, art, comedy, speakers and other festivities.
4:20 p.m. – 2:00 a.m., Tickets: March Price: $33 (limited number available)
April Price: $42, Day of Show: $50
Multiple Locations, Denver
Click here for more info.

April 20: Denver 420 After Party
Sponsored by Club 64, 1 Blunt Radio and 710 Radio
6:00 p.m. – 11:30 p.m., Tickets: $10 – $100
Spectra Art Space, 1836 South Broadway, Denver
Click here for more info.

April 20: The Expendables – 4/20 Celebration
Also scheduled to perform: RDGLDGRN, Tribal Theory
Doors 7:00 PM / Show 8:00 PM, Tickets: $20 – $65
Boulder Theater, 2032 14th Street, Boulder
Click here for more info.

April 20: DeadPhish Orchestra with Dead Floyd
Doors: 8:00 p.m./Show: 9:00 p.m. 21 and over.
Tickets: $10 – $30
Ophelia’s Electric Soapbox, 1215 20th Street , Denver
Click here for more info.

April 20: Gucci Mane
Doors open: 7:00/Show: 8:00 p.m.Ages 16 and over
Tickets: $65 online, $75 door
Ogden Theatre, 935 East Colfax, Denver
Click here for more info or call (303) 832-1874

April 20: Freaky’s 4/20 Celebration
7pm: Uncalled Four comedy game show
9pm: Ying Yang Twins
Tickets: $15-25
The Oriental Theater (4335 W. 44th Ave. Denver)
Click here for more info

April 20 to April 23: 420 Weekend At Studio420
Stoner activities, raffles and giveaways. Ages 21+ only.
Noon to Midnight, $20 per day per person, all day access.
Daily VIP $100 per person.
Studio420, 3995 S. Broadway, Englewood
Click here for more info.

April 23: Snoop Dogg / Wiz Khalifa with special guest Cypress Hill and Berner
Doors open: 6:30 p.m./Show: 7:30 p.m.
Tickets: $64.95 online, $70 Door
Red Rocks Amphitheatre, 18300 West Alameda Parkway, Morrison
Click here for more info.