I'm having the same problem in "The Evil Empire" on Golden Rainbow.
Something I noticed, and may be the reason the GMs can't duplicate the problem, is that it resets to 180 at the turn of the month. Set it on the 20th, and it changes back to 180 on the 1st. Set it on the 6th, and it changes back on the 1st.
So what you're looking for only happens on the 6 busiest moments of the day.