Noaa Solar Role Calculator

Please notice that this net web page is SOLAR the old model of the NOAA Solar Calculator. SOLAR

Back whilst this calculator was first created, we decided to apply a non-popular

definition of longitude and SOLAR time area, to make coordinate access less awkward.

So in this web page, both longitude and time zone are defined as wonderful to the

west, in place of the international standard of wonderful to the east of the

Prime Meridian.

We hold this page as a courtesy to those folks that, for something motive,

prefer the vintage calculator. For the rest of you, we inspire you to rather

click right here to try the updated version of NOAA’s Solar Calculator

Directions:Select a area from the City pulldown menu, OR pick “EnterLat/Long ->” from the pulldown menu, and manually enter the range,longitude and time region information in an appropriate text containers. For this calculator,

range is wonderful to the NORTH, and longitude is superb to the WEST of

the prime meridian.

Latitude and Longitude may be in deg/min/sec, or decimal ranges entered inthe “Deg:” area.(If you enter decimal ranges in the tiers area, pleaseclear the minutes and seconds fields, or they’ll be added in.)If youselect a town from the pulldown menu, the latitude, longitude and time region fieldsSOLAR will be stuffed in by the program.If you need to enter latitude, longitude

or time area manually, be sure to

select “Enter Lat/Long –>” from the City pulldown box, or your numbers will

be overwritten by the chosen town’s location.

You can enter a exclusive time sector for a place with the aid of deciding on”Enter Lat/Long –>” within the City pulldown field.Otherwise the time zoneassociated with the chosen metropolis’s Local Standard Time will be automatically

entered.Selecting “Yes” within the Daylight Saving field will reason the sun function

calculation to count on the present day time has been adjusted forward one hour from

fashionable time.If you are uncertain of the time area for a region, refer toour Time Zone Table.

The application retrieves the modern-day date and time from your pc, and fillsin these values within the date/time fields.To perform calculations for adifferent date, surely pick the month in the pulldown container, and input theday and 4 digit yr in the best input bins.Time of day for thecalculation can be modified inside the same manner.

Hit the “Calculate Solar Position” button.Once the calculationsare whole, you could use your browser’s “Print” feature to gain a hardcopyof the consequences.Results are given in the following units:Equation of Time inminutes of time; Solar Declination in stages, with SOLAR high-quality to the north;

Azimuth in ranges clockwise from north; Elevation in degrees up from the

horizon; Cosine of Solar Zenith Angle is unitless.

Note that for latitudes greater than72° north or less than 72° south, accuracy may be lower due inpart to the outcomes ofatmospheric refraction.

byChris Cornwall,

Aaron Horiuchi and Chris Lehman

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