Vectorized Solar Azimuth and Elevation Estimation by Darin Koblick

Predict the topocentric solar position defined by geodetic lat, lon, Alt, and a universal time (altitude, julian date, aerospace)

SolarAzEl(UTC,Lat,Lon,Alt)

test_SolarAzEl()

Convert UTC to Solar Apparent Time by Darin Koblick

Convert a time given in UTC to Solar Apparent or Solar Mean Time (solar mean time, solar apparent time, utc)

EquationOfTime(UTCjd)

UTC2SolarApparentTime(UTC,Lon)

Equation of Time by Darin Koblick

Compute the equation of time with accuracy on the order of seconds. (equation of time, astronomy, solar)

EquationOfTime(UTCjd)

Lunar Azimuth and Altitude Estimation Algorithm by Darin Koblick

Predict the Lunar Azimuth and Altitude within +/- .2 deg of any lat and lon for a given UTC (azimuth, gmt, moon)

LunarAzEl(UTC,Lat,Lon,Alt)

Julian Date to Greenwich Mean Sidereal Time by Darin Koblick

Convert a given Julian Date to Greenwich Mean Sidereal Time (GMST) in degrees. (julian date vector, julian date, jd)

JD2GMST(JD)

Convert between world time zones with daylight saving times by Erwin Mayer

This is a very simple yet powerful function to convert a datenum from one timezone to another. (local time, travel, communications)

TimezoneConvert( dn, fromTimezone, toTimezone )

rawjavacalendar2datenum( cal )

World Time Zones by Bill McKeeman

Convert between local time and UTC. Get local time in various places in the world. (local time, gmt, communications)

timeZones()

daylightGMT.m by Andranik Valedi

Converts GMT time to local time taking into account local DST rules. Has dynamic DST evalution. (gmt, dst, time)

daylightGMT.m

GPS to UTC(GMT) time conversion by Ian Howat

GPS2UTC Convert GPS time tags to UTC(GMT) time accounting for leap seconds (gps, conversion, clock)

gps2utc(date0)

UTC to GPS time coverter by Ian Howat

Convert UTC(GMT) time tags to GPS time accounting for leap seconds (gps, gmt, utc)

utc2gps(date0)

get_granule,get_gmt by Daniel Feldman

Granule and GMT for lat/lon sounding. (gmt, satellite, granule)