Util.DeltaT() Method

Returns Delta-T (TT - UT1) for a given UTC Julian date.

Syntax

Util.DeltaT(JulianDate)

The method syntax has these parts:

Part Description
JulianDate (Double) UTC Julian date for the Delta-T estimate
Return (Double) estimated value of Delta-T

Remarks

NOTE: This does not take into account the difference between UTC and Universal Time, which is at most 0.9 seconds.