Interesting observation as the time of this broadcast is still on a Sunday and not Mon - Fri as noted on RNZ's posted schedule. Unfortunately, the available EiBi shortwave schedules is still B20, Winter 2020/2021.
12:28 UTC - The transmitter is reaching Toronto, Ontario Canada with an S6 ~ S8 signal; fair reception;
12:50 UTC - Some slight QRM from amateur radio stations; "CQ contest from NT0EE" on 7240.0 kHz LSB & a QSO on 7251.0 kHz LSB;
12:58 UTC - RNZI jingle ID; announced broadcast was switching to 6170 kHz followed by carrier off.
RNZI 6170 AM 1159 UTC 28 March 2021
13:00 UTC - RNZI jingle ID followed by time pips and international news;
13:02 UTC - RNZI was initially heard but is now being over taken by a Cuban broadcast.
RSPduo | Barker & Williamson antenna | Toronto, Ontario Canada