uk.ac.starlink.pal

Class mjDate

java.lang.Object

uk.ac.starlink.pal.mjDate

public class mjDate
extends Object

Modified Julian Date

Constructor Summary

Constructors

Constructor and Description
mjDate(int yr, int diy) Modified Julian Date
mjDate(int yr, int mn, int d) Modified Julian Date
mjDate(int yr, int mn, int d, double fract) Modified Julian Date

Method Summary

Modifier and Type	Method and Description
int	getDay() Get day
int	getDayinYear() Get day in year
double	getFraction() Get fraction
int	getFraction(int n) Get fraction as integer number of places.
int	getMonth() Get month
int	getYear() Get year
String	toString() return date as string
String	toString(int n) return date as string to required precision

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

mjDate

public mjDate(int yr,
              int mn,
              int d)
       throws palError

Modified Julian Date

Parameters:

yr - Year

mn - Month

d - Day

Throws:

palError

mjDate

public mjDate(int yr,
              int mn,
              int d,
              double fract)
       throws palError

Modified Julian Date

Parameters:

yr - Year

mn - Month

d - Day

fract - Fraction of day

Throws:

palError

mjDate

public mjDate(int yr,
              int diy)
       throws palError

Modified Julian Date

Parameters:

yr - Year

diy - Day in year

Throws:

palError

Method Detail

getYear

public int getYear()

Get year

Returns:

Year

getMonth

public int getMonth()

Get month

Returns:

Month

getDay

public int getDay()

Get day

Returns:

Day

getFraction

public int getFraction(int n)

Get fraction as integer number of places.

Returns:

fraction * 10^n

getFraction

public double getFraction()

Get fraction

Returns:

Fraction of day

getDayinYear

public int getDayinYear()

Get day in year

Returns:

Day in year

toString

public String toString(int n)

return date as string to required precision

Parameters:

n - Number of decimal places in fraction

Returns:

Date in form YYYY MM DD.F

toString

public String toString()

return date as string

Overrides:

toString in class Object

Returns:

Date in form dd/mm/yyyy