SofaUtcut1 Method

Time scale transformation: Coordinated Universal Time (UTC) to Universal Time (UT1).

Definition

Namespace: ASCOM.Tools
Assembly: ASCOM.AstrometryTools (in ASCOM.AstrometryTools.dll) Version: 3.0.0-rc.1+86c25ce733aebb4d8b1b8a62e84770ea5e972bea

C#

public static int Utcut1(
	double utc1,
	double utc2,
	double dut1,
	ref double ut11,
	ref double ut12
)

VB

Public Shared Function Utcut1 ( 
	utc1 As Double,
	utc2 As Double,
	dut1 As Double,
	ByRef ut11 As Double,
	ByRef ut12 As Double
) As Integer

Parameters

utc1 Double: UTC as a 2-part quasi Julian Date (part 1).
utc2 Double: UTC as a 2-part quasi Julian Date (part 2).
dut1 Double: UT1−UTC in seconds.
ut11 Double: Returned UT1 as a 2-part Julian Date (part 1).
ut12 Double: Returned UT1 as a 2-part Julian Date (part 2).

Return Value

Int32
Status: +1 = dubious year, 0 = OK, -1 = unacceptable date.

Remarks

The caller must supply dut1 (UT1−UTC) appropriate for the given UTC.

Version Information

.NET Standard

Supported in: 2.0