When I worked closely with Germans there was a special time of year where our daylight savings changes overlapped, so for a few weeks we'd have a 10 hour time d

When I worked closely with Germans there was a special time of year where our daylight savings changes overlapped, so for a few weeks we'd have a 10 hour time difference, then an 11 hour time difference, then 12. We tried to minimise meetings during that period, as someone always got the timing wrong. Ah, daylight savings.