Here's a link to what we consider to be the BEST
World Time Clock on the Internet. It also has a tremendous perpetual calendar section.
This site is fantastic!
But don't take our word for it, go to Time and Date:
Looking for a good link to help you with math and science calculations? Yes, 1728 doesn't always have all the answers but that's why we post all these
links. A good website covering an extensive range of subjects with clearly written explanations is eHow
Bad Astronomy is actually a website for "good" astronomy facts, links, news and
so on. So how does it earn its "bad" name? By exposing the mistakes
about astronomy reported in newspapers, television and movies. Such sources
unfortunately are rife with mistakes about astronomy. Luckily, people such
as Phil Plait put the media back on the proper astronomical track. This
is a top-notch site authored by a well-informed, well-credentialled
Please pay a visit to:
A tremendous website for extremely precise scientific data is The
National Institute of Standards and Technology (formerly the National Bureau
of Standards). This is a highly professional, scientific website that will
meet the needs of even the most exacting scientist or web surfer. NIST is a
United States government agency and so you know the website and its
content can be regarded as impeccable.
Here is a good place to start - their subject index.