April 28

Castle Medical Center, 6-8:30 p.m., $15. Learn and practice how to be an invaluable labor coach, including what you as a coach can do now to prepare for labor and ways to help reduce labor discomfort. Pre-registration required. (263-5400, castlemed.org)

Pearl City Country Club, register for times and cost. NCMA Aloha Chapter provides a comprehensive roadmap to building a contract in both the public and private business sectors. (learningcenter@ncmahq.org)

Manoa Innovation Center, second-floor board room, 10 a.m.-noon, $25. Learn business planning and exit strategies to maximize your company value. Pre-registration required. (945-1430, hisbdc.org)

Honolulu Habitat for Humanity ReStore, 922 Austin Lane, 5-8:30 p.m., free. ReStore relaunches itself with food trucks, entertainment, silent auction, door buster sales and mural painting. (380-8617, restore@honoluluhabitat.org)

Honolulu Hale, 9 a.m.-2 p.m., free. Celebrate National County Government Month by learning more about city programs and services, sitting in on a live committee meeting, taking a guided tour and enjoying entertainment from Royal Hawaiian Band. (768-3809, honolulu.gov/council)

Kahuku Public Library, 6:30 p.m., free. John “Jr.” Primacio talks about the plantation days in Kahuku. Refreshments provided. (293-8935)

Honolulu Waldorf School, 350 Ulua St., 5:30-8:30 p.m., free. NOAA seeks public comments on the proposed expansion of the Hawaiian Islands Humpback Whale National Marine Sanctuary around the waters of Oahu, Kauai and Niihau. (271-3213, 217-1721)

Honolulu Hale, 9 a.m.-2 p.m., free. Check out city displays from HFD, HART and others, performances from Royal Hawaiian Band and Glee Club, and guided tours of Honolulu Hale. (768-3809, ocs@honolulu.gov)

Hawaii State Art Museum, 250 S. Hotel St., noon-1 p.m., free. Musician and teacher Darin Miyashiro will focus on the So-shin Kai and the Okinawan koto tradition as established in Hilo by group foundress Midori Matayoshi and as perpetuated by the late Shizuko Akamine. Examples of Okinawan koto music from classic works to folk songs will be demonstrated. (586-9958, susan.m.hogan@hawaii.gov)

Jazz Minds Art and Cafe, 1661 Kapiolani Blvd., 9 p.m., $5. (945-0800)

The ARTS at Marks Garage, 6 p.m., free. Documentary filmmaker Gemma Cubero discusses her filmmaking journey. (hawaiiwomeninfilmmaking.org)

The ARTS at Marks Garage, 1159 Nuuanu Ave., April 28-May 30, Tuesday-Friday, 11 a.m.-6 p.m., free. MAMo hosts its 10th annual exhibit featuring art from 2015 MAMo awardees Kauanoe Chang and Sol Apio and other established and emerging native Hawaiian artists. (521-2903)

Mililani Hongwanji, 95-257 Kaloapau St., 7-9:30 p.m., free. Watching a screening of “Ola: Health is Everything,” then discuss it with writer/director Matthew A Nagato. RSVP suggested. (625-0925, dharma.connection@gmail.com)

Honolulu Hale Lane Gallery, April 28-May 14, 8 a.m.-4:30 p.m., free. Winning artwork and poems created by local students for the Board of Water Supply’s annual contest. (768-6666, www1.honolulu.gov/moca)