The BIOLOGY web servers now support a simple on-page clock. Here's an example:
On our server in Tucson, AZ the time is 
You can also specify foreground, background and transparency colors:
Green numbers, transparent background -- the time is 
To include a clock on your page, use this IMG tag with the appropriate arguments after the "?" as shown below:
< IMG SRC=/scripts/clock.exe?-arg1+-arg2 .....>
The arguments you can use to control the appearance of your clock are:
COLORS (in hexidecimal, eg. RED is FF0000):
-f[fg clr] - color to render foreground in.
-b[bg clr] - color to render background in.
-t[t idx] - index to color which should be transparent (normally 0)
FORMAT:
-l[LAYOUT] - specify format of time. (default: ZH:MM) CASE is SIGNIFICANT!
HH - 24-hour clock (no zero pad).
ZH - 24-hour clock (zero pad).
hh - 12-hour clock (no zero pad).
zh - 12-hour clock (zero pad).
MM - the minutes.
SS - the seconds.
m - the meridiem. (AM or PM).
An example: < IMG SRC=/scripts/clock.exe?-fff0000+-b0000ff+-lzh:MMm> produces the following display: