• Standard Time (USA) Begins

    Nationwide USA

    Change clocks back 1 hour from Daylight Saving to Standard Time; does not include Hawai’i, Arizona (except the Navajo Nation), American Samoa, Guam, Northern Mariana Islands, Puerto Rico or U.S. Virgin Islands.

  • December Solstice

    Worldwide

    10:49 HST (00:49 UTC); the Sun reaches the point where it is farthest South of the celestial equator, marking the shortest day and longest night of the year (opposite in Southern Hemisphere).