Changes every 8 hours, at 0:00, 8:00 and 16:00.
Kanto
Kanto: Fuchsia City - Youngster Wendy
Sevii Islands: Sevii Islands 4567 - Six Island - Bug Catcher John
Johto
Johto: Blackthorn City - Pokéfan Trevor
Hoenn
Hoenn: Slateport City - Reporter Gabby
Orre: Pyrite Town - Fateen's Fortune Telling
Sinnoh
Sinnoh: Survival Area - Hiker Kevin
Unova:
Unova: Nuvema Town - Professor Juniper's Aide
Kalos
Kalos: Anistar City - Hex Maniac Melanie