moving prime time up an hour
... that in the early 1990s, several TV stations in Northern California experimented with moving prime time up an hour?
... that in the early 1990s, several TV stations in <a href="./Northern_California" id="mwAlM" rel="mw:WikiLink" title="Northern California">Northern California</a> experimented with <b id="mwAlQ"><a href="./Early_prime_time" id="mwAlU" rel="mw:WikiLink" title="Early prime time">moving prime time up an hour</a></b>?