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Class std.datetime.timezone.LocalTime
A TimeZone which represents the current local time zone on the system running your program.
This uses the underlying C calls to adjust the time rather than using
specific D code based off of system settings to calculate the time such as
PosixTimeZone
and WindowsTimeZone
do. That also means that
it will use whatever the current time zone is on the system, even if the
system's time zone changes while the program is running.
Properties
Name | Type | Description |
---|---|---|
dstName [get]
|
string | Typically, the abbreviation (generally 3 or 4 letters) for the time zone when DST is in effect (e.g. PDT). It is not necessarily unique. |
hasDST [get]
|
bool | Whether this time zone has Daylight Savings Time at any point in time.
Note that for some time zone types it may not have DST for current
dates but will still return true for hasDST because the time zone
did at some point have DST.
|
name [get]
|
string | In principle, this is the name of the local time zone. However,
this always returns the empty string. This is because time zones
cannot be uniquely identified by the attributes given by the
OS (such as the stdName and dstName ), and neither Posix systems
nor Windows systems provide an easy way to get the TZ Database name
of the local time zone.
|
stdName [get]
|
string | Typically, the abbreviation (generally 3 or 4 letters) for the time zone when DST is not in effect (e.g. PST). It is not necessarily unique. |
dstName [get]
|
string | Typically, the abbreviation (generally 3 or 4 letters) for the time zone when DST is in effect (e.g. PDT). It is not necessarily unique. |
hasDST [get]
|
bool | Whether this time zone has Daylight Savings Time at any point in time.
Note that for some time zone types it may not have DST for current dates
but will still return true for hasDST because the time zone did at
some point have DST.
|
stdName [get]
|
string | Typically, the abbreviation (generally 3 or 4 letters) for the time zone when DST is not in effect (e.g. PST). It is not necessarily unique. |
Methods
Name | Description |
---|---|
dstInEffect
(stdTime)
|
Takes the number of hnsecs (100 ns) since midnight, January 1st, 1 A.D. in UTC time (i.e. std time) and returns whether DST is in effect in this time zone at the given point in time. |
opCall
()
|
LocalTime is a singleton class. LocalTime returns its
only instance.
|
tzToUTC
(adjTime)
|
Returns std time using the standard C function calls on Posix systems and the standard Windows system calls on Windows systems to adjust the time to UTC from the appropriate time zone. |
utcToTZ
(stdTime)
|
Returns hnsecs in the local time zone using the standard C function calls on Posix systems and the standard Windows system calls on Windows systems to adjust the time to the appropriate time zone from std time. |
dstInEffect
(stdTime)
|
Takes the number of hnsecs (100 ns) since midnight, January 1st, 1 A.D. in UTC time (i.e. std time) and returns whether DST is effect in this time zone at the given point in time. |
factory
(classname)
|
Create instance of class specified by the fully qualified name classname. The class must either have no constructors or have a default constructor. |
opCmp
(o)
|
Compare with another Object obj. |
opEquals
(o)
|
Test whether this is equal to o .
The default implementation only compares by identity (using the is operator).
Generally, overrides for opEquals should attempt to compare objects by their contents.
|
toHash
()
|
Compute hash function for Object. |
toString
()
|
Convert Object to a human readable string. |
tzToUTC
(adjTime)
|
Takes the number of hnsecs (100 ns) since midnight, January 1st, 1 A.D. in this time zone's time and converts it to UTC (i.e. std time). |
utcOffsetAt
(stdTime)
|
Returns what the offset from UTC is at the given std time. It includes the DST offset in effect at that time (if any). |
utcToTZ
(stdTime)
|
Takes the number of hnsecs (100 ns) since midnight, January 1st, 1 A.D. in UTC time (i.e. std time) and converts it to this time zone's time. |
Authors
License
Copyright © 1999-2022 by the D Language Foundation | Page generated by ddox.