HOROLOGY: The Index - the largest collection of time, clock and watch links on the Internet.
www.horology.com
U. S. Government official time - current time in GMT or US time zones plus world daylight map
www.time.gov
Time Ticker - a very clever and elaborate animated website for exact time in all world timezones.
www.timeticker.com
U. S. Naval Observatory - references for moon phase, sunrise, sunset and related times for U. S. locations.
aa.usno.navy.mil/data/docs/RS_OneDay.html
U. S. Daylight Saving Time - an explanation of the origin, participation and rules governing it
webexhibits.org/daylightsaving
http://www.chronocentric.com/contents/network.shtml