AST: Apparent Solar Time

Description Usage Arguments Examples

Description

This function returns the apparent solar time (in minutes) for a given day of year and location.

Usage

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AST(DOY, Lon, SLon, DS)

Arguments

DOY

Day of year

Lon

Longitude in degrees

SLon

Standard longitude (based on time zone) in degrees

DS

Daylight saving in minutes

Examples

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#Calculating apparent solar time for two consecutive days

DOY <- seq(0, 2, .05)

ast <- AST(DOY, Lon=0, SLon=0, DS=60)
#Note: only the difference between Lon and SLon matters not each value

plot(DOY, ast)

solrad documentation built on May 2, 2019, 12:38 p.m.