uk.ac.rdg.resc.edal.time

Class ThreeSixtyDayChronology

java.lang.Object

org.joda.time.Chronology

org.joda.time.chrono.BaseChronology

uk.ac.rdg.resc.edal.time.ThreeSixtyDayChronology

All Implemented Interfaces:

Serializable

public final class ThreeSixtyDayChronology
extends org.joda.time.chrono.BaseChronology

A Chronology in which each year has exactly 360 days of 12 equal months (i.e. each month has exactly 30 days). This calendar system is used in many climate simulations. There are no leap years.

In this Chronology, a millisecond instant of zero corresponds with 1970-01-01T00:00:00.000Z and a year has a fixed number of milliseconds (1000*60*60*24*360).

There is no concept of an era in this calendar, so all durations and fields relating to this concept are not supported. Additionally, the concept of a "weekyear" (the year that "owns" a given week) is not implemented.

Instances of this class can only be created in DateTimeZone.UTC. (Support for time zones makes little sense in this chronology).

Instances of this class are immutable.

Author:

Jon Blower

See Also:

"http://cf-pcmdi.llnl.gov/documents/cf-conventions/1.4/cf-conventions.html#calendar", Serialized Form

Method Summary

Methods

Modifier and Type	Method and Description
org.joda.time.DurationField	centuries()
org.joda.time.DateTimeField	clockhourOfDay()
org.joda.time.DateTimeField	clockhourOfHalfday()
org.joda.time.DateTimeField	dayOfMonth()
org.joda.time.DateTimeField	dayOfWeek()
org.joda.time.DateTimeField	dayOfYear()
org.joda.time.DurationField	days() Each day has exactly the same length: there is no daylight saving
static ThreeSixtyDayChronology	getInstanceUTC() Gets an instance of this Chronology in the UTC time zone
org.joda.time.DateTimeZone	getZone() Always returns UTC
org.joda.time.DateTimeField	halfdayOfDay()
org.joda.time.DurationField	halfdays()
org.joda.time.DateTimeField	hourOfDay()
org.joda.time.DateTimeField	hourOfHalfday()
org.joda.time.DurationField	hours()
org.joda.time.DurationField	millis()
org.joda.time.DateTimeField	millisOfDay()
org.joda.time.DateTimeField	millisOfSecond()
org.joda.time.DateTimeField	minuteOfDay()
org.joda.time.DateTimeField	minuteOfHour()
org.joda.time.DurationField	minutes()
org.joda.time.DateTimeField	monthOfYear()
org.joda.time.DurationField	months() Each month has exactly 30 days
org.joda.time.DateTimeField	secondOfDay()
org.joda.time.DateTimeField	secondOfMinute()
org.joda.time.DurationField	seconds()
String	toString()
org.joda.time.DurationField	weeks() Each week has 7 days
org.joda.time.Chronology	withUTC() Returns this object
org.joda.time.Chronology	withZone(org.joda.time.DateTimeZone zone) Throws UnsupportedOperationException unless the time zone is UTC
org.joda.time.DateTimeField	year()
org.joda.time.DateTimeField	yearOfCentury()
org.joda.time.DurationField	years()

Methods inherited from class org.joda.time.chrono.BaseChronology

add, add, centuryOfEra, era, eras, get, get, get, getDateTimeMillis, getDateTimeMillis, getDateTimeMillis, set, validate, weekOfWeekyear, weekyear, weekyearOfCentury, weekyears, yearOfEra

Methods inherited from class java.lang.Object

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

Method Detail

getInstanceUTC

public static ThreeSixtyDayChronology getInstanceUTC()

Gets an instance of this Chronology in the UTC time zone

months

public org.joda.time.DurationField months()

Each month has exactly 30 days

dayOfMonth

public org.joda.time.DateTimeField dayOfMonth()

monthOfYear

public org.joda.time.DateTimeField monthOfYear()

toString

public String toString()

Specified by:

toString in class org.joda.time.chrono.BaseChronology

millis

public final org.joda.time.DurationField millis()

Overrides:

millis in class org.joda.time.chrono.BaseChronology

seconds

public final org.joda.time.DurationField seconds()

Overrides:

seconds in class org.joda.time.chrono.BaseChronology

minutes

public final org.joda.time.DurationField minutes()

Overrides:

minutes in class org.joda.time.chrono.BaseChronology

hours

public final org.joda.time.DurationField hours()

Overrides:

hours in class org.joda.time.chrono.BaseChronology

halfdays

public final org.joda.time.DurationField halfdays()

Overrides:

halfdays in class org.joda.time.chrono.BaseChronology

days

public final org.joda.time.DurationField days()

Each day has exactly the same length: there is no daylight saving

Overrides:

days in class org.joda.time.chrono.BaseChronology

weeks

public final org.joda.time.DurationField weeks()

Each week has 7 days

Overrides:

weeks in class org.joda.time.chrono.BaseChronology

years

public final org.joda.time.DurationField years()

Overrides:

years in class org.joda.time.chrono.BaseChronology

centuries

public final org.joda.time.DurationField centuries()

Overrides:

centuries in class org.joda.time.chrono.BaseChronology

millisOfSecond

public final org.joda.time.DateTimeField millisOfSecond()

Overrides:

millisOfSecond in class org.joda.time.chrono.BaseChronology

millisOfDay

public final org.joda.time.DateTimeField millisOfDay()

Overrides:

millisOfDay in class org.joda.time.chrono.BaseChronology

secondOfMinute

public final org.joda.time.DateTimeField secondOfMinute()

Overrides:

secondOfMinute in class org.joda.time.chrono.BaseChronology

secondOfDay

public final org.joda.time.DateTimeField secondOfDay()

Overrides:

secondOfDay in class org.joda.time.chrono.BaseChronology

minuteOfHour

public final org.joda.time.DateTimeField minuteOfHour()

Overrides:

minuteOfHour in class org.joda.time.chrono.BaseChronology

minuteOfDay

public final org.joda.time.DateTimeField minuteOfDay()

Overrides:

minuteOfDay in class org.joda.time.chrono.BaseChronology

hourOfDay

public final org.joda.time.DateTimeField hourOfDay()

Overrides:

hourOfDay in class org.joda.time.chrono.BaseChronology

hourOfHalfday

public final org.joda.time.DateTimeField hourOfHalfday()

Overrides:

hourOfHalfday in class org.joda.time.chrono.BaseChronology

halfdayOfDay

public final org.joda.time.DateTimeField halfdayOfDay()

Overrides:

halfdayOfDay in class org.joda.time.chrono.BaseChronology

clockhourOfDay

public final org.joda.time.DateTimeField clockhourOfDay()

Overrides:

clockhourOfDay in class org.joda.time.chrono.BaseChronology

clockhourOfHalfday

public final org.joda.time.DateTimeField clockhourOfHalfday()

Overrides:

clockhourOfHalfday in class org.joda.time.chrono.BaseChronology

dayOfWeek

public final org.joda.time.DateTimeField dayOfWeek()

Overrides:

dayOfWeek in class org.joda.time.chrono.BaseChronology

dayOfYear

public final org.joda.time.DateTimeField dayOfYear()

Overrides:

dayOfYear in class org.joda.time.chrono.BaseChronology

year

public final org.joda.time.DateTimeField year()

Overrides:

year in class org.joda.time.chrono.BaseChronology

yearOfCentury

public final org.joda.time.DateTimeField yearOfCentury()

Overrides:

yearOfCentury in class org.joda.time.chrono.BaseChronology

getZone

public final org.joda.time.DateTimeZone getZone()

Always returns UTC

Specified by:

getZone in class org.joda.time.chrono.BaseChronology

withZone

public final org.joda.time.Chronology withZone(org.joda.time.DateTimeZone zone)

Throws UnsupportedOperationException unless the time zone is UTC

Specified by:

withZone in class org.joda.time.chrono.BaseChronology

withUTC

public final org.joda.time.Chronology withUTC()

Returns this object

Specified by:

withUTC in class org.joda.time.chrono.BaseChronology