Struct chrono::FixedOffset

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pub struct FixedOffset { /* private fields */ }
Expand description

The time zone with fixed offset, from UTC-23:59:59 to UTC+23:59:59.

Using the TimeZone methods on a FixedOffset struct is the preferred way to construct DateTime<FixedOffset> instances. See the east_opt and west_opt methods for examples.

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impl FixedOffset

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pub fn east(secs: i32) -> FixedOffset

👎Deprecated since 0.4.23: use east_opt() instead

Makes a new FixedOffset for the Eastern Hemisphere with given timezone difference. The negative secs means the Western Hemisphere.

Panics on the out-of-bound secs.

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pub const fn east_opt(secs: i32) -> Option<FixedOffset>

Makes a new FixedOffset for the Eastern Hemisphere with given timezone difference. The negative secs means the Western Hemisphere.

Returns None on the out-of-bound secs.

§Example
use chrono::{FixedOffset, TimeZone};
let hour = 3600;
let datetime =
    FixedOffset::east_opt(5 * hour).unwrap().with_ymd_and_hms(2016, 11, 08, 0, 0, 0).unwrap();
assert_eq!(&datetime.to_rfc3339(), "2016-11-08T00:00:00+05:00")
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pub fn west(secs: i32) -> FixedOffset

👎Deprecated since 0.4.23: use west_opt() instead

Makes a new FixedOffset for the Western Hemisphere with given timezone difference. The negative secs means the Eastern Hemisphere.

Panics on the out-of-bound secs.

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pub const fn west_opt(secs: i32) -> Option<FixedOffset>

Makes a new FixedOffset for the Western Hemisphere with given timezone difference. The negative secs means the Eastern Hemisphere.

Returns None on the out-of-bound secs.

§Example
use chrono::{FixedOffset, TimeZone};
let hour = 3600;
let datetime =
    FixedOffset::west_opt(5 * hour).unwrap().with_ymd_and_hms(2016, 11, 08, 0, 0, 0).unwrap();
assert_eq!(&datetime.to_rfc3339(), "2016-11-08T00:00:00-05:00")
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pub const fn local_minus_utc(&self) -> i32

Returns the number of seconds to add to convert from UTC to the local time.

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pub const fn utc_minus_local(&self) -> i32

Returns the number of seconds to add to convert from the local time to UTC.

Trait Implementations§

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impl<Tz: TimeZone> Add<FixedOffset> for DateTime<Tz>

Add FixedOffset to the datetime value of DateTime (offset remains unchanged).

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Panics if the resulting date would be out of range.

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type Output = DateTime<Tz>

The resulting type after applying the + operator.
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fn add(self, rhs: FixedOffset) -> DateTime<Tz>

Performs the + operation. Read more
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impl Add<FixedOffset> for NaiveDateTime

Add FixedOffset to NaiveDateTime.

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Panics if the resulting date would be out of range. Consider using checked_add_offset to get an Option instead.

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type Output = NaiveDateTime

The resulting type after applying the + operator.
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fn add(self, rhs: FixedOffset) -> NaiveDateTime

Performs the + operation. Read more
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impl Add<FixedOffset> for NaiveTime

Add FixedOffset to NaiveTime.

This wraps around and never overflows or underflows. In particular the addition ignores integral number of days.

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type Output = NaiveTime

The resulting type after applying the + operator.
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fn add(self, rhs: FixedOffset) -> NaiveTime

Performs the + operation. Read more
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impl Clone for FixedOffset

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fn clone(&self) -> FixedOffset

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for FixedOffset

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Display for FixedOffset

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl FromStr for FixedOffset

Parsing a str into a FixedOffset uses the format %z.

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type Err = ParseError

The associated error which can be returned from parsing.
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fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type. Read more
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impl Hash for FixedOffset

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl Offset for FixedOffset

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fn fix(&self) -> FixedOffset

Returns the fixed offset from UTC to the local time stored.
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impl PartialEq for FixedOffset

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fn eq(&self, other: &FixedOffset) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<Tz: TimeZone> Sub<FixedOffset> for DateTime<Tz>

Subtract FixedOffset from the datetime value of DateTime (offset remains unchanged).

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Panics if the resulting date would be out of range.

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type Output = DateTime<Tz>

The resulting type after applying the - operator.
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fn sub(self, rhs: FixedOffset) -> DateTime<Tz>

Performs the - operation. Read more
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impl Sub<FixedOffset> for NaiveDateTime

Subtract FixedOffset from NaiveDateTime.

§Panics

Panics if the resulting date would be out of range. Consider using checked_sub_offset to get an Option instead.

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type Output = NaiveDateTime

The resulting type after applying the - operator.
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fn sub(self, rhs: FixedOffset) -> NaiveDateTime

Performs the - operation. Read more
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impl Sub<FixedOffset> for NaiveTime

Subtract FixedOffset from NaiveTime.

This wraps around and never overflows or underflows. In particular the subtraction ignores integral number of days.

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type Output = NaiveTime

The resulting type after applying the - operator.
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fn sub(self, rhs: FixedOffset) -> NaiveTime

Performs the - operation. Read more
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impl TimeZone for FixedOffset

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type Offset = FixedOffset

An associated offset type. This type is used to store the actual offset in date and time types. The original TimeZone value can be recovered via TimeZone::from_offset.
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fn from_offset(offset: &FixedOffset) -> FixedOffset

Reconstructs the time zone from the offset.
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fn offset_from_local_date( &self, _local: &NaiveDate ) -> MappedLocalTime<FixedOffset>

Creates the offset(s) for given local NaiveDate if possible.
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fn offset_from_local_datetime( &self, _local: &NaiveDateTime ) -> MappedLocalTime<FixedOffset>

Creates the offset(s) for given local NaiveDateTime if possible.
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fn offset_from_utc_date(&self, _utc: &NaiveDate) -> FixedOffset

Creates the offset for given UTC NaiveDate. This cannot fail.
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fn offset_from_utc_datetime(&self, _utc: &NaiveDateTime) -> FixedOffset

Creates the offset for given UTC NaiveDateTime. This cannot fail.
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fn with_ymd_and_hms( &self, year: i32, month: u32, day: u32, hour: u32, min: u32, sec: u32 ) -> MappedLocalTime<DateTime<Self>>

Make a new DateTime from year, month, day, time components and current time zone. Read more
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fn ymd(&self, year: i32, month: u32, day: u32) -> Date<Self>

👎Deprecated since 0.4.23: use with_ymd_and_hms() instead
Makes a new Date from year, month, day and the current time zone. This assumes the proleptic Gregorian calendar, with the year 0 being 1 BCE. Read more
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fn ymd_opt( &self, year: i32, month: u32, day: u32 ) -> MappedLocalTime<Date<Self>>

👎Deprecated since 0.4.23: use with_ymd_and_hms() instead
Makes a new Date from year, month, day and the current time zone. This assumes the proleptic Gregorian calendar, with the year 0 being 1 BCE. Read more
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fn yo(&self, year: i32, ordinal: u32) -> Date<Self>

👎Deprecated since 0.4.23: use from_local_datetime() with a NaiveDateTime instead
Makes a new Date from year, day of year (DOY or “ordinal”) and the current time zone. This assumes the proleptic Gregorian calendar, with the year 0 being 1 BCE. Read more
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fn yo_opt(&self, year: i32, ordinal: u32) -> MappedLocalTime<Date<Self>>

👎Deprecated since 0.4.23: use from_local_datetime() with a NaiveDateTime instead
Makes a new Date from year, day of year (DOY or “ordinal”) and the current time zone. This assumes the proleptic Gregorian calendar, with the year 0 being 1 BCE. Read more
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fn isoywd(&self, year: i32, week: u32, weekday: Weekday) -> Date<Self>

👎Deprecated since 0.4.23: use from_local_datetime() with a NaiveDateTime instead
Makes a new Date from ISO week date (year and week number), day of the week (DOW) and the current time zone. This assumes the proleptic Gregorian calendar, with the year 0 being 1 BCE. The resulting Date may have a different year from the input year. Read more
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fn isoywd_opt( &self, year: i32, week: u32, weekday: Weekday ) -> MappedLocalTime<Date<Self>>

👎Deprecated since 0.4.23: use from_local_datetime() with a NaiveDateTime instead
Makes a new Date from ISO week date (year and week number), day of the week (DOW) and the current time zone. This assumes the proleptic Gregorian calendar, with the year 0 being 1 BCE. The resulting Date may have a different year from the input year. Read more
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fn timestamp(&self, secs: i64, nsecs: u32) -> DateTime<Self>

👎Deprecated since 0.4.23: use timestamp_opt() instead
Makes a new DateTime from the number of non-leap seconds since January 1, 1970 0:00:00 UTC (aka “UNIX timestamp”) and the number of nanoseconds since the last whole non-leap second. Read more
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fn timestamp_opt( &self, secs: i64, nsecs: u32 ) -> MappedLocalTime<DateTime<Self>>

Makes a new DateTime from the number of non-leap seconds since January 1, 1970 0:00:00 UTC (aka “UNIX timestamp”) and the number of nanoseconds since the last whole non-leap second. Read more
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fn timestamp_millis(&self, millis: i64) -> DateTime<Self>

👎Deprecated since 0.4.23: use timestamp_millis_opt() instead
Makes a new DateTime from the number of non-leap milliseconds since January 1, 1970 0:00:00 UTC (aka “UNIX timestamp”). Read more
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fn timestamp_millis_opt(&self, millis: i64) -> MappedLocalTime<DateTime<Self>>

Makes a new DateTime from the number of non-leap milliseconds since January 1, 1970 0:00:00 UTC (aka “UNIX timestamp”). Read more
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fn timestamp_nanos(&self, nanos: i64) -> DateTime<Self>

Makes a new DateTime from the number of non-leap nanoseconds since January 1, 1970 0:00:00 UTC (aka “UNIX timestamp”). Read more
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fn timestamp_micros(&self, micros: i64) -> MappedLocalTime<DateTime<Self>>

Makes a new DateTime from the number of non-leap microseconds since January 1, 1970 0:00:00 UTC (aka “UNIX timestamp”). Read more
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fn datetime_from_str(&self, s: &str, fmt: &str) -> ParseResult<DateTime<Self>>

👎Deprecated since 0.4.29: use DateTime::parse_from_str or NaiveDateTime::parse_from_str with and_utc() or and_local_timezone() instead
Parses a string with the specified format string and returns a DateTime with the current offset. Read more
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fn from_local_date(&self, local: &NaiveDate) -> MappedLocalTime<Date<Self>>

👎Deprecated since 0.4.23: use from_local_datetime() instead
Converts the local NaiveDate to the timezone-aware Date if possible.
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fn from_local_datetime( &self, local: &NaiveDateTime ) -> MappedLocalTime<DateTime<Self>>

Converts the local NaiveDateTime to the timezone-aware DateTime if possible.
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fn from_utc_date(&self, utc: &NaiveDate) -> Date<Self>

👎Deprecated since 0.4.23: use from_utc_datetime() instead
Converts the UTC NaiveDate to the local time. The UTC is continuous and thus this cannot fail (but can give the duplicate local time).
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fn from_utc_datetime(&self, utc: &NaiveDateTime) -> DateTime<Self>

Converts the UTC NaiveDateTime to the local time. The UTC is continuous and thus this cannot fail (but can give the duplicate local time).
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impl Copy for FixedOffset

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impl Eq for FixedOffset

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impl StructuralPartialEq for FixedOffset

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.