Choose either Daylight Saving Time or Standard Time but you can't have both...

[fordy]

sethnintendo said:

Having the English system over Metric doesn't cause negative health benefits.  People don't get into wrecks because we measure by miles instead of kilometers.

http://www.nytimes.com/1983/07/30/us/jet-s-fuel-ran-out-after-metric-conversion-errors.html