astronomy/source/kotlin/doc/-time/index.md

//astronomy/io.github.cosinekitty.astronomy/Time

Time

class Time : Comparable<Time>

A date and time used for astronomical calculations.

Constructors

Time fun Time(ut: Double)
Time fun Time(year: Int, month: Int, day: Int, hour: Int, minute: Int, second: Double) Creates a Time object from a UTC year, month, day, hour, minute and second.

Types

Name	Summary
Companion object Companion

Functions

Name	Summary
addDays fun addDays(days: Double): Time Calculates the sum or difference of an Time with a specified floating point number of days.
compareTo open operator override fun compareTo(other: Time): Int Compares the chronological order of two Time values.
nutationEps fun nutationEps(): Double
nutationPsi fun nutationPsi(): Double
toDateTime fun toDateTime(): DateTime Resolves this Time into year, month, day, hour, minute, second.
toMillisecondsSince1970 fun toMillisecondsSince1970(): Long Converts this Time to the integer number of millseconds since 1970.
toString open override fun toString(): String Converts this Time to ISO 8601 format, expressed in UTC with millisecond resolution.

Properties

Name	Summary
tt val tt: Double Terrestrial Time days since noon on January 1, 2000.
ut val ut: Double UT1/UTC number of days since noon on January 1, 2000.