NetBSD expects the Amiga clock to be set to UTC.
AmigaOS expects the Amiga clock to be set to local time.

What can be done about that on which system (NetBSD or AmigaOS side)?

--
Cu  Georges Heinesch, Luxembourg
    geohei@ibm.net - geohei@geocities.com
    http://www.geocities.com/yosemite/2480
    PGP 2.6.3i / 5.1i public key on request and on public servers

... if you can't beat them, join them !