April 20

Open Space Yoga Diamond Head Monsarrat Studio, April 20-21, 9-11 a.m., $40/two days or $25/session. Learn Ayurvedic methods for gentle detoxing and cleansing the physical system. (232-8851)

Hawaii Fashion Incubator COOP, Ward Warehouse, Saturdays in April, 1-3:45 p.m., $195/HIFI members, $215/non-members. ME+U holds its monthly DIY Sewing 101 class for beginners. Sewing materials provided. Register online. (hawaiifashion.org/calendar)

The Green House, 11 a.m.-1:30 p.m., $45. Chef Gigi Miranda leads this vegan- and gluten-free workshop focusing on “food relationships.” Make easy drink refreshers, crisp salads and comforting soups. Advanced registration required. (thegreenhousehawaii.com, 524-8427)

Hoomaluhia Botanical Garden, 1-4 p.m., $25 ($20 for Windward Artists Guild members). Elizabeth York holds “Making a Living as an Artist: Marketing for Artists Workshop.” Learn about the ways artists can develop a profitable commercial presence. Explore the efficient use of self-promotion through websites and more. (375-9643, shereemckellar@hawaii.rr.com)

Hoomaluhia Botanical Garden, 9-11 a.m., $20/Windward Artists Guild members, $25/non-members. The Windward Artists Guild sponsors a fun and educational watercolor workshop with artist Elizabeth York. (375-9643, shereemckellar@hawaii.rr.com)

Ala Moana Beach Park, Magic Island, registration at 8 a.m., official walk ceremonies begin at 10 a.m., free. Walk Now For Autism Speaks is a fun-filled, family-friendly event and is the single most powerful force to fund vital research. You will not only raise funds, but become part of a fun family and supportive family-focused community. (walknowforautismspeaks.org)

Aiea Public Library, 2 p.m., free. As part of National Library week, the Friends of Aiea Library host John Keawe, a self-taught slack-key guitarist. (483-7333)

Kapolei Public Library, 10:30 a.m., free. Tyler Miranda, author of “Ewa Which Way,” speaks of his new novel. Contact the library if a sign-language interpreter or other special accommodation is needed, ASAP. (693-7050)

Kahala Mall (Macy’s parking lot), Kapolei Shopping Center (Safeway parking lot), DOE – Auxiliary Service Branch parking lot entrance on Young St., 8 a.m.-3 p.m., free. Celebrate Earth Day with free e-waste recycling. No TVs, microwave ovens and alkaline batteries. (488-8872)

Manana Elementary School, 9 a.m.-2 p.m. Enjoy a day of food, shopping, and fun, and find the perfect from over 80 vendors. Also featuring games for the keiki and a food sale. Proceeds benefit the Manana Elementary School PTO. (manana.k12.hi.us)

Kailua High School, 9 a.m.-1 p.m., first box is free, $10 thereafter (three boxes maximum). Shred-It Hawaii offers shredding of documents. Items for recycling also accepted. Tires, paint, microwave ovens, motor oil and hazardous fluids not accepted. Curbside pick-up also available upon request. Bring canned foods for the Hawaii Food Bank. Proceeds go to Kailua High School. (266-2900)

Manoa Public Library, 10 a.m.-noon, free. Malama O Manoa demonstrates tumbler and worm composters, and display popular chicken types for urban living. Free baby kalo, ti and ko provided or participants can plant their own. Participants receive a lucky drawing ticket by bringing a HI-5 can or bottle. (988-0459)

Windward Community College, 8:30 a.m.-2:30 p.m., free. Students in grades 4 to 12 choose a topic that relates to an annual theme, research the topic and develop their research into one of five categories: essay, exhibit, documentary, performance or website. History Day is a culmination in the presentation and evaluation of these projects. (732-5402 ext. 2)

Kailua High School, 9 a.m.-1 p.m., free for the first box, $10 for second and third box (limit of three). Featuring document shredding by Shred-It. Also accepting canned good to support the Hawaii Food Bank. Accepting other recyclable waste, but not able to accept tires, paint, microwave ovens, motor oil and hazardous fluids. Proceeds go to Kailua High School. (renemansho@hawaii.rr.com)

Wahiawa Public Library, 9 a.m.-2 p.m., contact for cost. The Friends of Wahiawa Public Library sponsor an open house. Sign up for a Friends-related activities such as book groups or play-reading groups, as well has have a guided tour of the Library and its resources. (621-0043)

Oahu Club, 5-8:30 p.m., $60-$70, $1000/corporate tables seating eight. A benefit for Keawawa Wetlands and Hawea Heiau Complex. (864-8081)

Wahiawa United Methodist Church, 8 a.m.-1 p.m. Gently used cloths, kitchenware, toys and books available. The Country Store features homemade cookies, jams and jellies, and more. (623-5870)

Kailua Shambhala Meditation Center, 4-5 p.m., suggested $21 donation. Group healing session. Are you feeling loaded down with stale energy, mental clutter or emotional garbage? Time for a spring cleaning. (291-6865)

Honolulu Country Club, registration deadline is April 14, event takes place April 20, 10 a.m.-1 p.m., $30/adult women, $22 for female students/teens. Oahu Church of Christ holds a Women’s Day Event with inspiring messages, breakfast, entertainment and door prizes. There is a $1 online registration fee. (oahuchurch.org)

Sea Life Park, noon-4:30 p.m., $5/volunteers, get 50 percent off admission with an empty Coca-Cola product or movie stub from Victoria Ward Consolidated Theaters. In celebration of Earth Day, Sea Life Park presents live music, educational displays and more. (sealifeparkhawaii.com)

Hawaii State Library, Hawaii & Pacific Reading Room, noon, free. Eric Teshima and Carson Wong, two founders of Kalani Robotics Team 3008, along with Kimo Wong, an executive officer of a major Hawaii bank are featured in a panel discussion program. Discussion topics include starting your own business and more. This program is suitable for children ages 12 and older. Also includes a question-and-answer session. Contact the library ASAP if special accommodations are needed. (586-3481)

1 Coral Sea Rd., Kapolei, 9 p.m.-1 a.m., free (military ID required), ages 21 and older. 11th Hour performs modern and alternative original rock music. (347-1323)

JJ’s Bistro and French Pastry, 5:30-8:30 p.m. (739-0993)

Kaimuki High School, 7 p.m., free. The Honolulu Wind Ensemble is a 70-piece concert bad under the direction of Keith Higaki. Music includes Armenian Dances Part II by Alfred Reed, Symphony No. 4 Finale by Tchaikovsky and Les Miserables and Shoenberg. (456-4607)

Still and Moving Center, 7 p.m., $15/advance, $18/door. San Francisco Bay Area musician Haff sings sanskrit mantras set to danceable reggae rhythms from his newly released album “Dub Mantra.” (397-7678)

Hawaii Theatre, 7:30 p.m., $10-$25. Hawaii Pacific University hosts a spring concert with the HPU orchestra and Makana. (528-0506)

Hawaii State Library lobby, 1 p.m., free. Dr. Byong Won Lee, Minsang Cho, Seola Kim and Hae In Lee perform traditional Korean music with vocals and instruments. Contact the library ASAP if special accommodations are needed. (586-3481)

University of Hawaii at Manoa Music Department, Barabara Smith Amphitheater, 7:30 p.m., $8-$12. Hear gamelan music from two neighboring Indonesian cultures – Java and Bali – as the UH Gamelon Ensembles presents an evening of traditional and contemporary repertoire. (hawaii.edu/uhmmusic)

Pacific Beach Hotel, 6-10 p.m., $120, sponsorship tables available for $1,000 to $5,000. The 4th annual Hana Like Kakou Fundraiser U.S. VETS Waianae Civic Center, a formal dinner featuring a silent auction. (664-1400, usvetsinc.org)

Hungry Ear Records, contact for times, various costs. Featuring hundreds of exclusive vinyl and CD titles including artists such as Bob Dylan, Mumford & Sons and more. Used vinyl, CDs, DVDs and Blue-Rays also on sale. (262-2175)

Pacific Aviation Museum, 6:30-10:30 p.m., $125/per person, corporate sponsor tables available starting at $1,750. A fundraiser for community service projects in Oahu, coordinated by the Rotary Club of Metropolitan Honolulu. Featuring dinner, dancing, belly dancers and more. (nicole@metrorotary.org, 847-0147)

Laniakea YWCA, 9:30 a.m.-1:30 p.m., free. The Hawaii Stamp and Coin Dealers Association hosts its free coin show. Local dealers available to buy, sell or trade. A limited supply of numismatic newspapers and magazines available, as well as door prizes given throughout the day. (531-6252)

Bishop Museum, 9 a.m.-3 p.m., free admission for kamaaina and military. Celebrate Hawaiian culture, native plants and sustainable lifestyles. Enjoy traditional crafts, native plants, games, local food and music by Napua Makua and Hoku Zuttermeister. (growhawaiian.heco.com, 543-7511)

Rumors Nightclub, 3-8 p.m., $15/presale. A fundraiser hosted by Miss Diamond Head, Miss Oahu and Miss Waikiki, on their journey to Miss Hawaii. A portion of the proceeds also will be donated to the Children’s Miracle Network. (457-6394, missdiamondhead@gmail.com)

Windward Community College Imaginarium and Observatory, 6 p.m., $25. “Maunakea Between Earth and Sky” is a stunning presentation of work at the summit of Maunakea and the site’s dual role servicing 21st century science and ancient Hawaiian cosmology. Featuring special guest Mary Beth Laychek and hostess Jacquie Maly. Wine and cheese n’ crackers served before, with desserts and coffee following the presentation. (254-4885)

Aloha Tower Pier 10, 5-10 p.m., contact for cost. Mental Health Kokua presents “Mental Health Mele Benefit Concert” to support Mental Health Kokua’s Homeless Project at Safe Haven, featuring pupus, a silent auction and live music. (737-2523)

Brasserie Du Vin, various events throughout the day, visit website for more information. Brasserie Du Vin’s monthly Saturday Soiree features a fashion show at 6:30 p.m. featuring vintage clothing from Catherine’s Closet Vintage Boutique ($15). Chef Marco Edler also cooks up a special menu. (brasserieduvin.brownpapertickets.com)

Kroc Center Hawaii, 11 a.m.-1 p.m., free. Join Kroc Center Hawaii as it celebrates its Spring Art Classes – Drawing and Painting, and Oil Painting. (kroccenterhawaii.org, 682-5505)

Waioli Tea Room, April 20, 9:30 a.m.-3:30 p.m., early bird registration ends March 31 ($145), $175/late registration thereafter. Patrice A. Federspeil hosts a watercolor workshop. No experience necessary. (392-9104, patrice@artofaloha.com)

The Station (1726 Kapiolani Blvd.), 8 p.m., free, ages 21 and older. Oil in the Alley brings its original rock’n’roll music with improvised lyrics for the first time, joined with acoustic duos Sweet Corn & Peanut and Beauty & The Beard. (facebook.com/oilinthealley)

The Gallery at Ward Center, runs through April 25, contact for times and cost. Featuring two of Hawaii’s photorealist painters, Charles Valoroso and Doug Young. An opening reception takes place on March 30 from 3 to 6 p.m. (597-8034)

Sandy Beach Park, 9:30-11:45 a.m. Prudential Advantage Realty and Sustainable Coastlines host a beach cleanup, part of Sustainable Coastlines’ Earth Day Cleanup and Music Festival. Look for the Prudential Advantage Realty tent; bring a hat, reusable water bottle, sunscreen and, if possible, a sifter and reusable gloves. Participants receive $5 admission to Sea Life Park immediately following cleanup. (738-3600)

Makapu‘u or East Side Beach access, meet at 9:30 a.m. Volunteers able to go to Sea Life Park from noon to 4:30 with a $5 admission. (lindsey@sustainablecoastlineshawaii.org)

Kawainui Marsh, Kailua, contact for time. The Church of the Crossroads with Hawaiian community organizations and business plants 200 native trees and shrubs, part of it’s Mission 4/1 Earth Campaign. (949-2220)

Kailua Beach Park, Kalama Beach Park or Kai‘olena Drive Beach access in Lanikai, 9:30-11:30 a.m. Plastic Free Hawaii hosts a beach cleanup in partnership with Sustainable Coastlines Hawaii’s Earth Day Cleanup and Music Festival. Bring a sifter, reusable gloves, hat, reusable water bottle and sunscreen. Activities follow at Sea Life Park with a $5 entrance fee for cleanup participants. (plasticfree@kokuahawaiifoundation.org)