A man with one clock always knows the time.
A man with two clocks is never sure.
A man with three clocks can tell if one of the three automatically set itself for Daylight Savings Time according to the pre-George-Shrub-arbitrary-DST-date-change schedule.
I get to deal with the problem again in another week or two when the clock is supposed to change, but doesn’t because it did so today.
See previously: my rant