September 20

4155 Diamond Head Rd., 8:30 a.m.-2 p.m., $70. Learn to recognize and care for victims of life-threatening respiratory or cardiac emergencies and to use an AED on adults. Advanced registration is required. (1-800-733-2767, redcross.org/take-a-class)

4155 Diamond Head Rd., Sept. 20, 26 and 29, 8:30 a.m.-2 p.m., $90. Get trained to recognize and care for victims of illness and sudden injuries and learn how to administer CPR and use an AED for life-threatening respiratory or cardiac emergencies on adults. Advanced registration is required. (1-800-733-2767, redcross.org/take-a-class)

Verizon Wireless, Kapolei Commons, 8:45-10 a.m., free. Learn the basics of your new iPhone, reviewing hardware functions, device features and more. Advanced registration required. (https://vzwworkshops.verizonwireless.com/vzwworkshops/)

Honolulu Country Club, 9-11 a.m., free. More people in Hawaii are turning to large additions or plan to demolish and build new instead of purchasing a new home. Learn where to start, how to select a builder, what to watch out for and more. Advanced registration is required. (593-2808, grahambuilders.com)

University of Hawaii at Manoa, Saturdays through Nov. 15, 10 a.m.-noon, $135-$150. Prerequisite: Mandarin Chinese levels 1, 2 and 3 (or equivalent). Advanced registration is required. (outreach.hawaii.edu/mandarin)

University of Hawaii at Manoa, Shilder College of Business, Saturdays through Nov. 15, 9-11:45 a.m., $130. Advanced registration is required. (outreach.hawaii.edu/noncredit/courses)

University of Hawaii at Manoa, Shidler College of Business, Saturdays through Nov. 15, 12:30-3:15 p.m., $145. (outreaach.hawaii.edu/noncredit/courses)

University of Hawaii at Manoa, Shidler College of Business, Saturdays through Nov. 15, 9-11:45 a.m., $145. (outreach.hawaii.edu/noncredit/courses)

SECOH Ocean Pointe Location, Sept. 20 through Dec. 20, 2-3 p.m. or 3-4 p.m., $40 private pay, may be billable to insurance. Teens age 15-23 learn skills necessary for independent living and socializing. (348-5056)

University of Hawaii at Manoa, Saturdays through Nov. 15, 10-11:30 a.m., contact for cost, children ages 5-15. Discover Mandarin Chinese through songs, games and activities that include fun with fruits, common foods and drinks, bouncing body parts, the Chinese zodiac and Chinese characters. Advanced registration is required. (outreach.hawaii.edu/mandarin)

University of Hawaii at Manoa, Saturdays through Nov. 15, 3:30-5:30 p.m., $108-$120. For students who completed at least four semesters of Mandarin Chinese Level 1. Advanced registration is required. (outreach.hawaii.edu/mandarin)

University of Hawaii at Manoa, Saturdays through Nov. 15, 1:30-3:30 p.m., $108-$120. A higher-level course for students who completed at least three semesters of Mandarin Chinese Level 2. (outreach.hawaii.edu/mandarin)

Kaiser Permanente Hawaii Honolulu Medical Office, Saturdays through Dec. 6, 9-10 a.m., $60-$97.50. A slow-paced yoga class to promote inner peace by matching breath with the movement of your body. Advanced registration is required. (432-2260)

Contact for location in Honolulu, 1:30-3:30 p.m., $40. The Mensa Admission Test consists of two separate tests and candidates may take either test battery or both, but only one score at or above the 98th percentile is required for Mensa membership. (240-2092, testing@hawaii.us.mensa.org)

1127 11th Ave., second floor, Sept. 20 and 27, and Oct. 4, 2-3:30 p.m., donations accepted. Receive meditation instruction and talk and guided discussion in a safe, supportive environment for healing. All are welcome. Topics include stress and anxiety, grieving, listening and speaking, and more. (catherinehage@hotmail.com)

Masaki School of Music, Saturdays through Nov. 15, 9-10 a.m. ages 6-7, 10:15-11:15 a.m. ages 8-14, $210. Chris Suzuki teachers music theory for children ages 6-14. Advanced registration is required. (593-9395, masakischoolofmusic@gmail.com)

SECOH Ocean Pointe Location, Sept. 20 through Dec. 20, 2-3 p.m. or 3-4 p.m., $40 private pay, may be billable to insurance. Teens age 15-23 will learn social skills and foster healthy peer interactions in small groups. (348-5056)

University of Hawaii at Manoa, 9 a.m.-6 p.m., $75-$225. Gordy Hoffman, Sundance award-winning writer/director and founder of BlueCat Screenplay Competition leads a workshop for aspiring screenwriters. Advanced registration is required. (bluecatscreenplay.com/workshops/honolulu-screenwriting-workshop/)

Ala Moana Beach Park, Magic Island Circle, second Saturdays through Jan. 17, 8:30 a.m., contact for cost. Ron Takamoto leads trainees for Walk the Dance, Dance the Walk, open to school children and adults. (597-1341)

Waipio Shopping Center, 94-1040 Waipio Uka St., 10 a.m.-1 p.m., free. Kapiolani Medical Center sponsors free child car seat check-ups, plus HPD’s Keiki ID program, HFD’s Fire Truck Display and information on keiki water safety. (722-6467)

Town Center of Mililani, 9-11 a.m., free. (towncenterofmililani.com)

Kaimuki High School, 8 a.m.-3 p.m., free. Materials accepted include computer monitors, laptops, printers, fax machines and more. TVs, alkaline batteries, microwaves and home appliances are not accepted. (ewastehawaii.com, 488-8870)

Town Center of Mililani, noon-1:30 p.m., free. (towncenterofmililani.com)

Thomas Square, 9 a.m.-4 p.m., free. Oahu Nursery Growers Association features Waimea Arboretum with heritage hibiscus, plumeria hybrids and much more. (228-4850)

Wailaua Public Library, 9 a.m.-2 -.m. (637-8286)

Town Center of Mililani, 10 a.m.-4 p.m., free. (towncenterofmililani.com)

Windward Mall Center Court, 11 a.m.-1 p.m., free. “Up, Up and Away!” introduces children to principles of air and pressure; Mad Science of Hawaii hosts one-hour Algy Worm fun station. (235-1143)

Bishop Museum, J.M. Long Gallery, Aug. 2-Oct. 27, 9 a.m.-5 p.m. daily (closed Tuesdays), $8.95-$19.95. Showcasing rare, beautiful and fascinating examples from the Museum’s world-renowned collections. The exhibit brings together natural and cultural worlds for a visual celebration of the aesthetic beauty of unique specimens. (bishopmuseum.org, 847-3511)

Duke’s Waikiki, 9:30 p.m.-midnight, contact for cost. Kaiona Duo offers up late-night entertainment. (922-2268)

Kailua parking garage near Longs/CVS, 4-5:30 p.m., free. This month features Palani Vaughan. Audience members are encouraged to bring a beach chair, pick up food from a Kailua eatery and enjoy the music. (castlefoundation.org)

Town Center of Mililani, 7:30-9:30 p.m., free. Michael Cheape performs contemporary guitar music. (towncenterofmililani.com)

The Studio, 1680 Kapiolani Blvd., 9:30 p.m.-2 a.m., $5, 18 and older. IRIE SOULS & Cultural Movement live. September birthdays get free cover. (450-0045)

Chinatown Cultural Plaza, 4 p.m., free. Royal Hawaiian Band performs. (922-5331)

Duke’s Waikiki, 4-6 p.m., contact for cost. Vailhi performs live on the beach. (922-2268)

Hawaii Prince Hotel Waikiki Mauna Kea Ballroom, 6-10 p.m., $49, ages 21 and up. Start Oktoberfest early with the traditional beers, wines, liquor and cuisine of Germany, along with live entertainment, sausage-eating contest and more. (952-4789)

Along Kalakaua Avenue, 7-10 p.m., free. The 62nd annual Aloha Festivals Waikiki Ho‘olaule‘a features live Hawaiian music, hula, crafts, cuisine and more. (922-2299)

Queen Kapiolani Hotel, Queen’s Room, 9 a.m.-4 p.m., free. Hawaii Stamp and Coin Dealers Association holds a coin show with local dealers available to buy, sell or trade. A limited supply of numismatic newspapers and magazines available, and door prizes awarded throughout the day. (531-6252)

University of Hawaii at Manoa, Sustainability Courtyard, 11 a.m.-4 p.m., free. Booths include free bike repairs with Cycle Manoa; swap tables for books, toys and games; a Positive Media sewing station to help upcycle old T-shirts, and more. (positivemediahawaii.com)

Kalakaua Avenue, 7 p.m., free. The annual Waikiki Hoolaulea is Hawaii’s largest and most festive block party. Participate in food, fun and entertainment. (alohafestivals.com)

Ward Village, contact for time, $55 ($10 discount available for registrants with a military, student or HGEA ID). The inaugural Ward Village NiteRune is a 5k fun run that seeks to rais funds and awareness for JDRF Hawaii, who works to improve the lives of Hawaii’s children, adults and families living with type 1 diabetes. (wardvillageniterun.com)

150 N. King St., 6:30-8 p.m., contact for cost. A night of wine tasting, hor d’oeuvres, socializing and a 45-minute Argentine tango lesson an stage performance by Brett and Jenny. Advanced registration is required. (831-239-6529, info@paradisetango.com)

Windward Mall Center Court, 2-3 p.m., free. 24-VII Danceforce showcases talent, opportunities for interested dancers. (235-1143)

The Cathedral of St. Andrew, Tenney Theatre, 4:30 p.m. Saturdays through Sept. 20, $10-$20. Honolulu Theatre for Youth kicks off its 60th anniversary season with the world premiere of “A Bollywood Robin Hood,” a new telling of the Robin Hood story. (htyweb.org, 839-9885)

Consolidated Theatres Kahala 8, 9 a.m., free. Watch “The Other Sister” and learn about the importance of siblings of individuals with disabilities. (ldahawaii.org)

Mamiya Theatre, 2 and 7:30 p.m., $40-$45. The show features Samadhi Hawaii faculty aerialists, Samadhi Hawaii Youth Company, Volary Aerial Burlesque, Samadhi Hawaii School and guest dancers. Taimane Garnder, Starr Kalahiki, Sharene Taba and Mike Gonhata also provide live music. (samadhihawaii.com)

Na Mea Hawaii at Ward Village, 1050 Ala Moana Blvd., 6-8 p.m., $35. Drink sangria, eat food and learn how to paint on a take-home canvas. (nhoopii808@yahoo.com)

Mid-Pacific Institute, Kawaiahao Theatre/Studio, 2445 Kaala St., 10 a.m., free, ages 18 and up. Disney Parks Talent Casting looks for talented Polynesian dancers for Polynesian Paradise Show at Tokyo Disneyland Park. (disneyauditions.com)

Prince Kuhio Elementary School cafeteria, 2759 S. King St., 8 a.m., free. Volunteers wanted to clean and paint over graffiti in the McCully-Moiliili neighborhoods. Supplies and refreshments provided. (lockwood0849@gmail.com)

Kuliouou Beach Park, 8:30 a.m.-12:30 p.m., free. Huki means “to pull” in Hawaii. Celebrate Coastal Clean Up Day 2014 and pull invasive alien algae in the shallow reef flat area and remove dead algae off Paiko Beach in an effort to restore native algae and coral in the bay. (395-5050)

Makua Beach, Sept. 20 and 21, 9:30 a.m. check in, free. Sustainable Coastlines Hawaii hosts a West Oahu cleanup of Yokohama Bay/Kaena Point to Keau Beach Park for International Coastal Cleanup Day, with shuttle service from Nanakuli (8:30 a.m. and 2 p.m.), campsites and free lunch and music on Saturday. (221-7678)