Just as the title says. When the date is in an AD time period selecting Hours, Minutes, or Seconds works as expected. When the date is in a BC time period function is shifted left by one item. Choosing Seconds does nothing, selecting Minutes changes Seconds, etc. See screenshots.
SkySafari Pro 7.1.0.2
Samsung Galaxy S22 Ultra
Android 12/OneUI 4.1
AD Time
BC Time