BO was there two months before HRC in 2018.
He also met with PM Ardern.
https://www.dailytelegraph.com.au/news/world/former-us-president-barack-obama-has-touched-down-in-new-zealand-for-a-three-day-visit-where-he-will-meet-with-prime-minister-jacinda-ardern-as-well-as-past-pm-sir-john-keyimage-airnzmedia/video/c7da50b6f38b4e57e1c96cce858b3180?nk=cfba8c3c0bb17a71727abc997df4b0fa-1552760905