What time will the sun set in Las Vegas on March 22 2009?

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

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The following information is provided for Las Vegas, Clark County, Nevada (longitude W115.2, latitude N36.2): Sunday

22 March 2009 Pacific Daylight Time

SUN

Begin civil twilight 6:15 a.m.

Sunrise 6:41 a.m.

Sun transit 12:47 p.m.

Sunset 6:54 p.m.

End civil twilight 7:20 p.m.

MOON

Moonset 2:15 p.m. on preceding day

Moonrise 4:31 a.m.

Moon transit 9:50 a.m.

Moonset 3:16 p.m.

Moonrise 5:00 a.m. on following day

Phase of the Moon on 22 March: waning crescent with 15% of the Moon's visible disk illuminated. New Moon on 26 March 2009 at 9:07 a.m. Pacific Daylight Time.