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The astronomical calculator is a service of the United States Naval Observatory.

Enter a city or town in the U.S. The place's location will be retrieved from a file with over 22,000 places listed. Time zones may be inaccurate.

   Year:   Month: 
January
February
March
April
May
June
July
August
September
October
November
December
  Day: 
        State: 
Alabama
Alaska
Arizona
Arkansas
California
Colorado
Connecticut
Delaware
D.C.
Florida
Georgia
Hawaii
Idaho
Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maine
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Montana
Nebraska
Nevada
New Hampshire
New Jersey
New Mexico
New York
North Carolina
North Dakota
Ohio
Oklahoma
Oregon
Pennsylvania
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
Utah
Vermont
Virginia
Washington
West Virginia
Wisconsin
Wyoming
   
   Place Name: 

You can calculate the sunrise, sunset, twilight, moonrise, moonset and twilight times for any location if you know the longitude and latitude.

Enter the Latitude and Longitude as shown in the table below.

Enter longitude in degrees East:  
Enter latitude in degrees North:  

Year:  Month: 
January
February
March
April
May
June
July
August
September
October
November
December
  Day: 
Select either Universal Times or Local Standard Times:
                                 UTC
                                 Local

      City              Lon.          Lat.        Time Zone
     -------------------------------------------------------
      Jerusalem        +35.23        +31.78         +200

      Amman            +35.93        +32.95         +200
      Amsterdam        + 4.90        +52.35         +100
      Ankara           +32.83        +39.92         +200
      Athens           +23.73        +38.00         +200
      Baghdad          +44.43        +33.33         +300
      Bangkok         +100.50        +13.73         +700
      Beijing         +116.42        +39.92         +800
      Berlin           +13.40        +52.52         +100
      Bern             + 7.50        +46.95         +100 
      Bombay           +72.85        +18.93         +530
      Brussels         + 4.35        +50.83         +100
      Budapest         +19.08        +47.50         +100
      Buenos Aires     -58.40        -34.62         -300
      Cairo            +31.25        +30.05         +200
      Calgary         -114.05        +51.05         -700
      Cape Town        +18.37        -33.93         +200
      Copenhagen       +12.57        +55.72         +100
      Damascus         +36.25        +33.50         +200
      Dublin           - 6.25        +53.33          000
      Geneva           + 6.15        +46.17         +100
      Hanoi           +105.92        +21.08         +700
      Helsinki         +24.97        +60.17         +200
      Hong Kong       +114.17        +22.25         +800
      London           - 0.17        +51.50          000
      Madrid           - 3.72        +40.42         +100
      Mecca            +39.82        +21.45         +300
      Melbourne       +145.00        -37.83        +1000
      Mexico City      -99.15        +19.40         -600
      Montreal         -73.60        +45.50         -500
      Moscow           +37.58        +55.75         +300
      Mount Everest    +86.95        +27.97         +530
      Panama           -79.42        + 9.00         -500
      Paris            + 2.33        +48.87         +100
      Prague           +14.43        +50.08         +100
      Rio de Janeiro   -43.28        -22.88         -300
      Riyad            +46.72        +24.65         +300
      Rome             +12.50        +41.88         +100
      Saigon          +106.67        +10.97         +700
      San Jose         -84.07        + 9.98         -600
      Seoul           +126.97        +37.55         +900
      Stockholm        +18.05        +59.33         +100
      Sydney          +151.22        -33.87        +1000
      Tehran           +51.43        +35.67         +330
      Tokyo           +139.77        +35.70         +900
      Toronto          -79.33        +43.65         -500
      Vancouver       -123.12        +49.27         -800
      Vienna           +16.37        +48.22         +100
      Warsaw           +21.00        +52.25         +100
      Zurich           + 8.55        +47.38         +100