The following message is relevant for all save the iconoclasts in Arizona.* Daylight Savings Time goes into effect in the early hours of tomorrow.
Remember the DST mnemonic: spring forward, fall back. It officially will be spring in 11 days - the vernal equinox - so set your clocks ahead one hour before going to bed this evening.
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*Also not observing DST are our overseas territories in subtropical and tropical regions: Hawaii, American Samoa, Guam, Northern Mariana Islands, Puerto Rico, and the U.S. Virgin Islands. The seasonal variation in daylight hours decreases as one nears the equator and is most dramatic in polar regions.
