4 PAU HANA CONCERT, ethnic music and dance; 3 p.m.; Orvis Auditorium, UH-Manoa; free; www.hawaii.edu/uhmmusic/events/2010-02.htm.
"DEAR DIARY," contemporary dance concert to promote awareness of teenage depression, by the Hawaii Meth Project and Castle Performing Arts Center's Castle DanceForce; 2 p.m.; Ronald E. Bright Theatre; $7; 233-5626, www.showtix4U.com.
"HAPPY DAYS," by Samuel Beckett; 2 p.m.; The Actors' Group; runs through May 9; $20*; 722-6941, www.taghawaii.net.
"THE JUDITH OF SHIMODA/MAHAGONNY SONGSPIEL," double bill; 7:30 p.m.; Kennedy Theatre; also shows May 21-23; $20*; 956-7655, www.etickethawaii.com.
"ARMS AND THE MAN," final performance, comic critique by George Bernard Shaw; 4 p.m.; Loo Theatre, Hawai'i Pacific University; $5-$25; 375-1282.
"CIRCUS! SCIENCE UNDER THE BIG TOP," exhibit on the science behind the circus, with activities, dress-up, more; 9 a.m.-5 p.m.; Bishop Museum, Castle Memorial Building; $15*; 847-3511.
4 KODOMO NO HI: KEIKI FUN FEST/GOING GREEN, in celebration of the Japanese holiday Children's Day, with a craft fair, games, kimono dressing (fee), food, entertainment and more; 10 a.m.-3 p.m.; Japanese Cultural Center of Hawaii; free; 945-7633, www.jcch.com.
4 CHILDREN'S STORYTIME, with story, finger plays and crafts; 10:30-11 a.m.; Kaimuki Public Library; free; 733-8422.
4 8TH ANNUAL ISRAEL DAY HAWAII FESTIVAL, with entertainment by the Israeli Sunlight Orchestra, Hora! Israeli Circle Dancers and more; 11 a.m.-5 p.m.; Skygate Park, 650 South King St.; free; www.israeldayhawaii.com.
4 SEASONS AND THE SEA, cultural ceremony marking the changing of the seasons with chant, hula and storytelling; 6-7 p.m.; Waikiki Aquarium; free; 440-9027.
4 ORCHID SHOW AND PLANT SALE, with lei, ti leaf and corsage-making lessons, by the Orchid Society of Manoa; 8:30 a.m.-4 p.m.; Noelani Elementary School; free; 398-6343.
4 ISLANDWIDE SPRING CRAFTS & FOOD EXPO, with more than 200 vendors; 10 a.m.-5 p.m.; Blaisdell Exhibition Hall; $4*; www.islandwidecraftexpos.com.