What time is sunset in tucson Arizona on October 25 2009?

The time of sunrise and sunset is very dependent on the precise location and the date in question.

You can calculate the time of sunrise and sunset easily by visiting the United States Naval Observatory web site's Sunrise & Sunset calculator. You will need the date, city and state for US locations, or the date, latitude, longitude and time zone for any other locations in the world.

The site is
http://www.usno.navy.mil/USNO/astronomical-applications/data-services/rs-one-day

You can also calculate the times of sunrise and sunset for one year at a given location at the site:
http://www.usno.navy.mil/USNO/astronomical-applications/data-services/rs-one-year == ==

The following information is provided for Tucson, Pima County, Arizona (longitude W110.9, latitude N32.2): Sunday

25 October 2009 Mountain Standard Time

SUN

Begin civil twilight 6:10 a.m.

Sunrise 6:35 a.m.

Sun transit 12:08 p.m.

Sunset 5:40 p.m.

End civil twilight 6:05 p.m.

MOON

Moonset 10:52 p.m. on preceding day

Moonrise 1:09 p.m.

Moon transit 6:26 p.m.

Moonset 11:49 p.m.

Moonrise 1:42 p.m. on following day

First quarter Moon on 25 October 2009 at 5:42 p.m. Mountain Standard Time.