Uses of Class
org.joda.time.DateTimeField

Packages that use DateTimeField

Package	Description
org.joda.time	Provides support for dates, times, time zones, durations, intervals, and partials.
org.joda.time.base	Implementation package providing abstract and base time classes.
org.joda.time.chrono	Package containing the chronology classes which define the calendar systems.
org.joda.time.field	Implementation package providing abstract and standard field classes.
org.joda.time.format	Provides printing and parsing support for instants and durations.

Uses of DateTimeField in org.joda.time

Fields in org.joda.time declared as DateTimeField

Modifier and Type	Field	Description
private DateTimeField	DateMidnight.Property.iField	The field this property is working against
private DateTimeField	DateTime.Property.iField	The field this property is working against
private DateTimeField	LocalDate.Property.iField	The field this property is working against
private DateTimeField	LocalDateTime.Property.iField	The field this property is working against
private DateTimeField	LocalTime.Property.iField	The field this property is working against
private DateTimeField	MutableDateTime.Property.iField	The field this property is working against
private DateTimeField	MutableDateTime.iRoundingField	The field to round on

Methods in org.joda.time that return DateTimeField

Modifier and Type	Method	Description
abstract DateTimeField	Chronology.centuryOfEra()	Get the century of era field for this chronology.
abstract DateTimeField	Chronology.clockhourOfDay()	Get the hour of day (offset to 1-24) field for this chronology.
abstract DateTimeField	Chronology.clockhourOfHalfday()	Get the hour of am/pm (offset to 1-12) field for this chronology.
abstract DateTimeField	Chronology.dayOfMonth()	Get the day of month field for this chronology.
abstract DateTimeField	Chronology.dayOfWeek()	Get the day of week field for this chronology.
abstract DateTimeField	Chronology.dayOfYear()	Get the day of year field for this chronology.
abstract DateTimeField	Chronology.era()	Get the era field for this chronology.
DateTimeField	DateMidnight.Property.getField()	Gets the field being used.
DateTimeField	DateTime.Property.getField()	Gets the field being used.
abstract DateTimeField	DateTimeFieldType.getField(Chronology chronology)	Gets a suitable field for this type from the given Chronology.
DateTimeField	DateTimeFieldType.StandardDateTimeFieldType.getField(Chronology chronology)
protected DateTimeField	LocalDate.getField(int index, Chronology chrono)	Gets the field for a specific index in the chronology specified.
DateTimeField	LocalDate.Property.getField()	Gets the field being used.
protected DateTimeField	LocalDateTime.getField(int index, Chronology chrono)	Gets the field for a specific index in the chronology specified.
DateTimeField	LocalDateTime.Property.getField()	Gets the field being used.
protected DateTimeField	LocalTime.getField(int index, Chronology chrono)	Gets the field for a specific index in the chronology specified.
DateTimeField	LocalTime.Property.getField()	Gets the field being used.
protected DateTimeField	MonthDay.getField(int index, Chronology chrono)	Gets the field for a specific index in the chronology specified.
DateTimeField	MonthDay.Property.getField()	Gets the field that this property uses.
DateTimeField	MutableDateTime.Property.getField()	Gets the field being used.
protected DateTimeField	Partial.getField(int index, Chronology chrono)	Gets the field for a specific index in the chronology specified.
DateTimeField	Partial.Property.getField()	Gets the field that this property uses.
DateTimeField	ReadablePartial.getField(int index)	Gets the field at the specified index.
protected DateTimeField	TimeOfDay.getField(int index, Chronology chrono)	Deprecated. Gets the field for a specific index in the chronology specified.
DateTimeField	TimeOfDay.Property.getField()	Deprecated. Gets the field that this property uses.
protected DateTimeField	YearMonth.getField(int index, Chronology chrono)	Gets the field for a specific index in the chronology specified.
DateTimeField	YearMonth.Property.getField()	Gets the field that this property uses.
protected DateTimeField	YearMonthDay.getField(int index, Chronology chrono)	Deprecated. Gets the field for a specific index in the chronology specified.
DateTimeField	YearMonthDay.Property.getField()	Deprecated. Gets the field that this property uses.
DateTimeField	MutableDateTime.getRoundingField()	Gets the field used for rounding this instant, returning null if rounding is not enabled.
abstract DateTimeField	Chronology.halfdayOfDay()	Get the AM(0) PM(1) field for this chronology.
abstract DateTimeField	Chronology.hourOfDay()	Get the hour of day (0-23) field for this chronology.
abstract DateTimeField	Chronology.hourOfHalfday()	Get the hour of am/pm (0-11) field for this chronology.
abstract DateTimeField	Chronology.millisOfDay()	Get the millis of day field for this chronology.
abstract DateTimeField	Chronology.millisOfSecond()	Get the millis of second field for this chronology.
abstract DateTimeField	Chronology.minuteOfDay()	Get the minute of day field for this chronology.
abstract DateTimeField	Chronology.minuteOfHour()	Get the minute of hour field for this chronology.
abstract DateTimeField	Chronology.monthOfYear()	Get the month of year field for this chronology.
abstract DateTimeField	Chronology.secondOfDay()	Get the second of day field for this chronology.
abstract DateTimeField	Chronology.secondOfMinute()	Get the second of minute field for this chronology.
abstract DateTimeField	Chronology.weekOfWeekyear()	Get the week of a week based year field for this chronology.
abstract DateTimeField	Chronology.weekyear()	Get the year of a week based year field for this chronology.
abstract DateTimeField	Chronology.weekyearOfCentury()	Get the year of a week based year in a century field for this chronology.
abstract DateTimeField	Chronology.year()	Get the year field for this chronology.
abstract DateTimeField	Chronology.yearOfCentury()	Get the year of century field for this chronology.
abstract DateTimeField	Chronology.yearOfEra()	Get the year of era field for this chronology.

Methods in org.joda.time with parameters of type DateTimeField

Modifier and Type	Method	Description
void	MutableDateTime.setRounding(DateTimeField field)	Sets the status of rounding to use the specified field and ROUND_FLOOR mode.
void	MutableDateTime.setRounding(DateTimeField field, int mode)	Sets the status of rounding to use the specified field and mode.

Constructors in org.joda.time with parameters of type DateTimeField

Constructor	Description
Property(DateMidnight instant, DateTimeField field)	Constructor.
Property(DateTime instant, DateTimeField field)	Constructor.
Property(LocalDate instant, DateTimeField field)	Constructor.
Property(LocalDateTime instant, DateTimeField field)	Constructor.
Property(LocalTime instant, DateTimeField field)	Constructor.
Property(MutableDateTime instant, DateTimeField field)	Constructor.

Uses of DateTimeField in org.joda.time.base

Methods in org.joda.time.base that return DateTimeField

Modifier and Type	Method	Description
DateTimeField	AbstractPartial.getField(int index)	Gets the field at the specified index.
protected abstract DateTimeField	AbstractPartial.getField(int index, Chronology chrono)	Gets the field for a specific index in the chronology specified.
DateTimeField[]	AbstractPartial.getFields()	Gets an array of the fields that this partial supports.

Methods in org.joda.time.base with parameters of type DateTimeField

Modifier and Type	Method	Description
int	AbstractInstant.get(DateTimeField field)	Get the value of one of the fields of a datetime.

Uses of DateTimeField in org.joda.time.chrono

Subclasses of DateTimeField in org.joda.time.chrono

Modifier and Type	Class	Description
private static class	BasicChronology.HalfdayField
(package private) class	BasicDayOfMonthDateTimeField	Provides time calculations for the day of the month component of time.
(package private) class	BasicDayOfYearDateTimeField	Provides time calculations for the day of the year component of time.
(package private) class	BasicMonthOfYearDateTimeField	Provides time calculations for the month of the year component of time.
(package private) class	BasicSingleEraDateTimeField	Provides time calculations for the coptic era component of time.
(package private) class	BasicWeekOfWeekyearDateTimeField	Provides time calculations for the week of a week based year component of time.
(package private) class	BasicWeekyearDateTimeField	Provides time calculations for the week of the weekyear component of time.
(package private) class	BasicYearDateTimeField	A year field suitable for many calendars.
private class	GJChronology.CutoverField	This basic cutover field adjusts calls to 'get' and 'set' methods, and assumes that calls to add and addWrapField are unaffected by the cutover.
private class	GJChronology.ImpreciseCutoverField	Cutover field for variable length fields.
(package private) class	GJDayOfWeekDateTimeField	GJDayOfWeekDateTimeField provides time calculations for the day of the week component of time.
(package private) class	GJEraDateTimeField	Provides time calculations for the era component of time.
(package private) class	GJMonthOfYearDateTimeField	Provides time calculations for the month of the year component of time.
(package private) class	GJYearOfEraDateTimeField	Provides time calculations for the year of era component of time.
(package private) class	ISOYearOfEraDateTimeField	This field is not publicly exposed by ISOChronology, but rather it is used to build the yearOfCentury and centuryOfEra fields.
private class	LimitChronology.LimitDateTimeField
(package private) static class	ZonedChronology.ZonedDateTimeField	A DateTimeField that decorates another to add timezone behaviour.

Fields in org.joda.time.chrono declared as DateTimeField

Modifier and Type	Field	Description
private static DateTimeField	BasicChronology.cClockhourOfDayField
private static DateTimeField	BasicChronology.cClockhourOfHalfdayField
DateTimeField	AssembledChronology.Fields.centuryOfEra
private static DateTimeField	BasicChronology.cHalfdayOfDayField
private static DateTimeField	BasicChronology.cHourOfDayField
private static DateTimeField	BasicChronology.cHourOfHalfdayField
DateTimeField	AssembledChronology.Fields.clockhourOfDay
DateTimeField	AssembledChronology.Fields.clockhourOfHalfday
private static DateTimeField	BasicChronology.cMillisOfDayField
private static DateTimeField	BasicChronology.cMillisOfSecondField
private static DateTimeField	BasicChronology.cMinuteOfDayField
private static DateTimeField	BasicChronology.cMinuteOfHourField
private static DateTimeField	BasicChronology.cSecondOfDayField
private static DateTimeField	BasicChronology.cSecondOfMinuteField
DateTimeField	AssembledChronology.Fields.dayOfMonth
DateTimeField	AssembledChronology.Fields.dayOfWeek
DateTimeField	AssembledChronology.Fields.dayOfYear
DateTimeField	AssembledChronology.Fields.era
private static DateTimeField	BuddhistChronology.ERA_FIELD	A singleton era field.
private static DateTimeField	CopticChronology.ERA_FIELD	A singleton era field.
private static DateTimeField	EthiopicChronology.ERA_FIELD	A singleton era field.
private static DateTimeField	IslamicChronology.ERA_FIELD	A singleton era field.
DateTimeField	AssembledChronology.Fields.halfdayOfDay
DateTimeField	AssembledChronology.Fields.hourOfDay
DateTimeField	AssembledChronology.Fields.hourOfHalfday
private DateTimeField	AssembledChronology.iCenturyOfEra
private DateTimeField	AssembledChronology.iClockhourOfDay
private DateTimeField	AssembledChronology.iClockhourOfHalfday
private DateTimeField	AssembledChronology.iDayOfMonth
private DateTimeField	AssembledChronology.iDayOfWeek
private DateTimeField	AssembledChronology.iDayOfYear
private DateTimeField	AssembledChronology.iEra
(package private) DateTimeField	ZonedChronology.ZonedDateTimeField.iField
(package private) DateTimeField	GJChronology.CutoverField.iGregorianField
private DateTimeField	AssembledChronology.iHalfdayOfDay
private DateTimeField	AssembledChronology.iHourOfDay
private DateTimeField	AssembledChronology.iHourOfHalfday
(package private) DateTimeField	GJChronology.CutoverField.iJulianField
private DateTimeField	AssembledChronology.iMillisOfDay
private DateTimeField	AssembledChronology.iMillisOfSecond
private DateTimeField	AssembledChronology.iMinuteOfDay
private DateTimeField	AssembledChronology.iMinuteOfHour
private DateTimeField	AssembledChronology.iMonthOfYear
(package private) static DateTimeField	ISOYearOfEraDateTimeField.INSTANCE	Singleton instance
private DateTimeField	AssembledChronology.iSecondOfDay
private DateTimeField	AssembledChronology.iSecondOfMinute
private DateTimeField	AssembledChronology.iWeekOfWeekyear
private DateTimeField	AssembledChronology.iWeekyear
private DateTimeField	AssembledChronology.iWeekyearOfCentury
private DateTimeField	AssembledChronology.iYear
private DateTimeField	AssembledChronology.iYearOfCentury
private DateTimeField	AssembledChronology.iYearOfEra
DateTimeField	AssembledChronology.Fields.millisOfDay
DateTimeField	AssembledChronology.Fields.millisOfSecond
DateTimeField	AssembledChronology.Fields.minuteOfDay
DateTimeField	AssembledChronology.Fields.minuteOfHour
DateTimeField	AssembledChronology.Fields.monthOfYear
DateTimeField	AssembledChronology.Fields.secondOfDay
DateTimeField	AssembledChronology.Fields.secondOfMinute
DateTimeField	AssembledChronology.Fields.weekOfWeekyear
DateTimeField	AssembledChronology.Fields.weekyear
DateTimeField	AssembledChronology.Fields.weekyearOfCentury
DateTimeField	AssembledChronology.Fields.year
DateTimeField	AssembledChronology.Fields.yearOfCentury
DateTimeField	AssembledChronology.Fields.yearOfEra

Methods in org.joda.time.chrono that return DateTimeField

Modifier and Type	Method	Description
DateTimeField	AssembledChronology.centuryOfEra()
DateTimeField	BaseChronology.centuryOfEra()	Get the century of era field for this chronology.
DateTimeField	AssembledChronology.clockhourOfDay()
DateTimeField	BaseChronology.clockhourOfDay()	Get the hour of day (offset to 1-24) field for this chronology.
DateTimeField	AssembledChronology.clockhourOfHalfday()
DateTimeField	BaseChronology.clockhourOfHalfday()	Get the hour of am/pm (offset to 1-12) field for this chronology.
private DateTimeField	LenientChronology.convertField(DateTimeField field)
private DateTimeField	LimitChronology.convertField(DateTimeField field, java.util.HashMap<java.lang.Object,java.lang.Object> converted)
private static DateTimeField	StrictChronology.convertField(DateTimeField field)
private DateTimeField	ZonedChronology.convertField(DateTimeField field, java.util.HashMap<java.lang.Object,java.lang.Object> converted)
DateTimeField	AssembledChronology.dayOfMonth()
DateTimeField	BaseChronology.dayOfMonth()	Get the day of month field for this chronology.
DateTimeField	AssembledChronology.dayOfWeek()
DateTimeField	BaseChronology.dayOfWeek()	Get the day of week field for this chronology.
DateTimeField	AssembledChronology.dayOfYear()
DateTimeField	BaseChronology.dayOfYear()	Get the day of year field for this chronology.
DateTimeField	AssembledChronology.era()
DateTimeField	BaseChronology.era()	Get the era field for this chronology.
DateTimeField	AssembledChronology.halfdayOfDay()
DateTimeField	BaseChronology.halfdayOfDay()	Get the AM(0) PM(1) field for this chronology.
DateTimeField	AssembledChronology.hourOfDay()
DateTimeField	BaseChronology.hourOfDay()	Get the hour of day (0-23) field for this chronology.
DateTimeField	AssembledChronology.hourOfHalfday()
DateTimeField	BaseChronology.hourOfHalfday()	Get the hour of am/pm (0-11) field for this chronology.
DateTimeField	AssembledChronology.millisOfDay()
DateTimeField	BaseChronology.millisOfDay()	Get the millis of day field for this chronology.
DateTimeField	AssembledChronology.millisOfSecond()
DateTimeField	BaseChronology.millisOfSecond()	Get the millis of second field for this chronology.
DateTimeField	AssembledChronology.minuteOfDay()
DateTimeField	BaseChronology.minuteOfDay()	Get the minute of day field for this chronology.
DateTimeField	AssembledChronology.minuteOfHour()
DateTimeField	BaseChronology.minuteOfHour()	Get the minute of hour field for this chronology.
DateTimeField	AssembledChronology.monthOfYear()
DateTimeField	BaseChronology.monthOfYear()	Get the month of year field for this chronology.
DateTimeField	AssembledChronology.secondOfDay()
DateTimeField	BaseChronology.secondOfDay()	Get the second of day field for this chronology.
DateTimeField	AssembledChronology.secondOfMinute()
DateTimeField	BaseChronology.secondOfMinute()	Get the second of minute field for this chronology.
DateTimeField	AssembledChronology.weekOfWeekyear()
DateTimeField	BaseChronology.weekOfWeekyear()	Get the week of a week based year field for this chronology.
DateTimeField	AssembledChronology.weekyear()
DateTimeField	BaseChronology.weekyear()	Get the year of a week based year field for this chronology.
DateTimeField	AssembledChronology.weekyearOfCentury()
DateTimeField	BaseChronology.weekyearOfCentury()	Get the year of a week based year in a century field for this chronology.
DateTimeField	AssembledChronology.year()
DateTimeField	BaseChronology.year()	Get the year field for this chronology.
DateTimeField	AssembledChronology.yearOfCentury()
DateTimeField	BaseChronology.yearOfCentury()	Get the year of century field for this chronology.
DateTimeField	AssembledChronology.yearOfEra()
DateTimeField	BaseChronology.yearOfEra()	Get the year of era field for this chronology.

Methods in org.joda.time.chrono with parameters of type DateTimeField

Modifier and Type	Method	Description
private DateTimeField	LenientChronology.convertField(DateTimeField field)
private DateTimeField	LimitChronology.convertField(DateTimeField field, java.util.HashMap<java.lang.Object,java.lang.Object> converted)
private static DateTimeField	StrictChronology.convertField(DateTimeField field)
private DateTimeField	ZonedChronology.convertField(DateTimeField field, java.util.HashMap<java.lang.Object,java.lang.Object> converted)
private static boolean	AssembledChronology.Fields.isSupported(DateTimeField field)

Constructors in org.joda.time.chrono with parameters of type DateTimeField

Constructor	Description
CutoverField(DateTimeField julianField, DateTimeField gregorianField, long cutoverMillis)
CutoverField(DateTimeField julianField, DateTimeField gregorianField, long cutoverMillis, boolean convertByWeekyear)
CutoverField(DateTimeField julianField, DateTimeField gregorianField, DurationField rangeField, long cutoverMillis, boolean convertByWeekyear)
GJYearOfEraDateTimeField(DateTimeField yearField, BasicChronology chronology)	Restricted constructor.
ImpreciseCutoverField(DateTimeField julianField, DateTimeField gregorianField, long cutoverMillis)	Creates a duration field that links back to this.
ImpreciseCutoverField(DateTimeField julianField, DateTimeField gregorianField, DurationField durationField, long cutoverMillis)	Uses a shared duration field rather than creating a new one.
ImpreciseCutoverField(DateTimeField julianField, DateTimeField gregorianField, DurationField durationField, long cutoverMillis, boolean convertByWeekyear)	Uses a shared duration field rather than creating a new one.
ImpreciseCutoverField(DateTimeField julianField, DateTimeField gregorianField, DurationField durationField, DurationField rangeDurationField, long cutoverMillis)	Uses shared duration fields rather than creating a new one.
LimitDateTimeField(DateTimeField field, DurationField durationField, DurationField rangeDurationField, DurationField leapDurationField)
ZonedDateTimeField(DateTimeField field, DateTimeZone zone, DurationField durationField, DurationField rangeDurationField, DurationField leapDurationField)

Uses of DateTimeField in org.joda.time.field

Subclasses of DateTimeField in org.joda.time.field

Modifier and Type	Class	Description
class	BaseDateTimeField	BaseDateTimeField provides the common behaviour for DateTimeField implementations.
class	DecoratedDateTimeField	DecoratedDateTimeField extends BaseDateTimeField, implementing only the minimum required set of methods.
class	DelegatedDateTimeField	DelegatedDateTimeField delegates each method call to the date time field it wraps.
class	DividedDateTimeField	Divides a DateTimeField such that the retrieved values are reduced by a fixed divisor.
class	ImpreciseDateTimeField	Abstract datetime field class that defines its own DurationField, which delegates back into this ImpreciseDateTimeField.
class	LenientDateTimeField	Converts a strict DateTimeField into a lenient one.
class	OffsetDateTimeField	Generic offset adjusting datetime field.
class	PreciseDateTimeField	Precise datetime field, composed of two precise duration fields.
class	PreciseDurationDateTimeField	Precise datetime field, which has a precise unit duration field.
class	RemainderDateTimeField	Counterpart remainder datetime field to DividedDateTimeField.
class	SkipDateTimeField	Wraps another field such that a certain value is skipped.
class	SkipUndoDateTimeField	Wraps another field such that a certain value is added back into the sequence of numbers.
class	StrictDateTimeField	Converts a lenient DateTimeField into a strict one.
class	UnsupportedDateTimeField	A placeholder implementation to use when a datetime field is not supported.
class	ZeroIsMaxDateTimeField	Wraps another field such that zero values are replaced with one more than it's maximum.

Fields in org.joda.time.field declared as DateTimeField

Modifier and Type	Field	Description
private DateTimeField	DecoratedDateTimeField.iField	The DateTimeField being wrapped
private DateTimeField	DelegatedDateTimeField.iField	The DateTimeField being wrapped.

Methods in org.joda.time.field that return DateTimeField

Modifier and Type	Method	Description
abstract DateTimeField	AbstractPartialFieldProperty.getField()	Gets the field being used.
abstract DateTimeField	AbstractReadableInstantFieldProperty.getField()	Gets the field being used.
static DateTimeField	LenientDateTimeField.getInstance(DateTimeField field, Chronology base)	Returns a lenient version of the given field.
static DateTimeField	StrictDateTimeField.getInstance(DateTimeField field)	Returns a strict version of the given field.
DateTimeField	DecoratedDateTimeField.getWrappedField()	Gets the wrapped date time field.
DateTimeField	DelegatedDateTimeField.getWrappedField()	Gets the wrapped date time field.

Methods in org.joda.time.field with parameters of type DateTimeField

Modifier and Type	Method	Description
static DateTimeField	LenientDateTimeField.getInstance(DateTimeField field, Chronology base)	Returns a lenient version of the given field.
static DateTimeField	StrictDateTimeField.getInstance(DateTimeField field)	Returns a strict version of the given field.
static void	FieldUtils.verifyValueBounds(DateTimeField field, int value, int lowerBound, int upperBound)	Verify that input values are within specified bounds.

Constructors in org.joda.time.field with parameters of type DateTimeField

Constructor	Description
DecoratedDateTimeField(DateTimeField field, DateTimeFieldType type)	Constructor.
DelegatedDateTimeField(DateTimeField field)	Constructor.
DelegatedDateTimeField(DateTimeField field, DateTimeFieldType type)	Constructor.
DelegatedDateTimeField(DateTimeField field, DurationField rangeField, DateTimeFieldType type)	Constructor.
DividedDateTimeField(DateTimeField field, DateTimeFieldType type, int divisor)	Constructor.
DividedDateTimeField(DateTimeField field, DurationField rangeField, DateTimeFieldType type, int divisor)	Constructor.
LenientDateTimeField(DateTimeField field, Chronology base)
OffsetDateTimeField(DateTimeField field, int offset)	Constructor.
OffsetDateTimeField(DateTimeField field, DateTimeFieldType type, int offset)	Constructor.
OffsetDateTimeField(DateTimeField field, DateTimeFieldType type, int offset, int minValue, int maxValue)	Constructor.
RemainderDateTimeField(DateTimeField field, DateTimeFieldType type, int divisor)	Constructor.
RemainderDateTimeField(DateTimeField field, DurationField rangeField, DateTimeFieldType type, int divisor)	Constructor.
SkipDateTimeField(Chronology chronology, DateTimeField field)	Constructor that skips zero.
SkipDateTimeField(Chronology chronology, DateTimeField field, int skip)	Constructor.
SkipUndoDateTimeField(Chronology chronology, DateTimeField field)	Constructor that reinserts zero.
SkipUndoDateTimeField(Chronology chronology, DateTimeField field, int skip)	Constructor.
StrictDateTimeField(DateTimeField field)
ZeroIsMaxDateTimeField(DateTimeField field, DateTimeFieldType type)	Constructor.

Uses of DateTimeField in org.joda.time.format

Fields in org.joda.time.format declared as DateTimeField

Modifier and Type	Field	Description
(package private) DateTimeField	DateTimeParserBucket.SavedField.iField

Methods in org.joda.time.format with parameters of type DateTimeField

Modifier and Type	Method	Description
private long[]	DateTimeFormatterBuilder.Fraction.getFractionData(long fraction, DateTimeField field)
(package private) void	DateTimeParserBucket.SavedField.init(DateTimeField field, int value)
(package private) void	DateTimeParserBucket.SavedField.init(DateTimeField field, java.lang.String text, java.util.Locale locale)
void	DateTimeParserBucket.saveField(DateTimeField field, int value)	Saves a datetime field value.