Lastly, it looks like indicator-datetime is continuing to correctly publish the updated time when the minute changes.
You can reproduce this test on an affected system by running this from phablet-shell:
$ dbus-monitor "path=/com/canonical/indicator/datetime"
Expected results: when the minute changes, indicator-datetime should publish new header information, formatted similar to comment:30 but with the correct time in its header label.
Lastly, it looks like indicator-datetime is continuing to correctly publish the updated time when the minute changes.
You can reproduce this test on an affected system by running this from phablet-shell:
$ dbus-monitor "path=/ com/canonical/ indicator/ datetime"
Expected results: when the minute changes, indicator-datetime should publish new header information, formatted similar to comment:30 but with the correct time in its header label.