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Time

License

Overview

Models time as immutable value objects for PHP, including instants, durations, periods, timezones, time-of-day, local dates, and day-of-week. All instants are normalized to UTC with microsecond precision, with strict parsing, formatting, and arithmetic operations. Declared as final readonly class for language-level immutability, with structural equality provided by the tiny-blocks value-object contract.

Installation

composer require tiny-blocks/time

How to use

The library provides immutable value objects for representing points in time, quantities of time, and time intervals. All instants are normalized to UTC internally.

Instant

An Instant represents a single point on the timeline, always stored in UTC with microsecond precision.

Creating from the current moment

Captures the current moment with microsecond precision, normalized to UTC.

<?php

declare(strict_types=1);

use TinyBlocks\Time\Instant;

$instant = Instant::now();

$instant->toIso8601();            # 2026-02-17T10:30:00+00:00
$instant->toUnixSeconds();        # 1771324200
$instant->toDateTimeImmutable();  # DateTimeImmutable (UTC, with microseconds)

Creating from a string

Parses a date-time string with an explicit UTC offset. The value is normalized to UTC regardless of the original offset.

<?php

declare(strict_types=1);

use TinyBlocks\Time\Instant;

$instant = Instant::fromString(value: '2026-02-17T13:30:00-03:00');

$instant->toIso8601();     # 2026-02-17T16:30:00+00:00
$instant->toUnixSeconds(); # 1771345800

Creating from a database timestamp

Parses a database date-time string as UTC, with or without microsecond precision (e.g. MySQL DATETIME or DATETIME(6)).

<?php

declare(strict_types=1);

use TinyBlocks\Time\Instant;

$instant = Instant::fromString(value: '2026-02-17 08:27:21.106011');

$instant->toIso8601();                                    # 2026-02-17T08:27:21+00:00
$instant->toDateTimeImmutable()->format('Y-m-d H:i:s.u'); # 2026-02-17 08:27:21.106011

Also supports timestamps without fractional seconds:

<?php

declare(strict_types=1);

use TinyBlocks\Time\Instant;

$instant = Instant::fromString(value: '2026-02-17 08:27:21');

$instant->toIso8601(); # 2026-02-17T08:27:21+00:00

Creating from Unix seconds

Creates an Instant from a Unix timestamp in seconds.

<?php

declare(strict_types=1);

use TinyBlocks\Time\Instant;

$instant = Instant::fromUnixSeconds(seconds: 0);

$instant->toIso8601();     # 1970-01-01T00:00:00+00:00
$instant->toUnixSeconds(); # 0

Adding and subtracting time

Returns a new Instant shifted forward or backward by a Duration.

<?php

declare(strict_types=1);

use TinyBlocks\Time\Duration;
use TinyBlocks\Time\Instant;

$instant = Instant::fromString(value: '2026-02-17T10:00:00+00:00');

$instant->plus(duration: Duration::fromMinutes(minutes: 30))->toIso8601();  # 2026-02-17T10:30:00+00:00
$instant->plus(duration: Duration::fromHours(hours: 2))->toIso8601();       # 2026-02-17T12:00:00+00:00
$instant->minus(duration: Duration::fromSeconds(seconds: 60))->toIso8601(); # 2026-02-17T09:59:00+00:00

Measuring distance between instants

Returns the absolute Duration between two Instant objects.

<?php

declare(strict_types=1);

use TinyBlocks\Time\Instant;

$start = Instant::fromString(value: '2026-02-17T10:00:00+00:00');
$end = Instant::fromString(value: '2026-02-17T11:30:00+00:00');

$duration = $start->durationUntil(other: $end);

$duration->toSeconds(); # 5400
$duration->toMinutes(); # 90
$duration->toHours();   # 1

The result is always non-negative regardless of direction:

$end->durationUntil(other: $start)->toSeconds(); # 5400

Comparing instants

Provides strict temporal ordering between two Instant instances.

<?php

declare(strict_types=1);

use TinyBlocks\Time\Instant;

$earlier = Instant::fromString(value: '2026-02-17T10:00:00+00:00');
$later = Instant::fromString(value: '2026-02-17T10:30:00+00:00');

$earlier->isBefore(other: $later);         # true
$earlier->isAfter(other: $later);          # false
$earlier->isBeforeOrEqual(other: $later);  # true
$earlier->isAfterOrEqual(other: $later);   # false
$later->isAfter(other: $earlier);          # true
$later->isAfterOrEqual(other: $earlier);   # true

Emitting with sub-second precision

By default toIso8601() emits seconds only. Pass a Precision value to include fractional seconds in the output. Existing callers that omit the argument are unaffected.

<?php

declare(strict_types=1);

use TinyBlocks\Time\Instant;
use TinyBlocks\Time\Precision;

$instant = Instant::fromString(value: '2026-05-23T12:55:10.272097+00:00');

$instant->toIso8601();                                   # 2026-05-23T12:55:10+00:00
$instant->toIso8601(precision: Precision::Seconds);      # 2026-05-23T12:55:10+00:00
$instant->toIso8601(precision: Precision::Microseconds); # 2026-05-23T12:55:10.272097+00:00
$instant->toIso8601(precision: Precision::Milliseconds); # 2026-05-23T12:55:10.272+00:00

Serializing with the mapper

Instant carries a #[ScalarCodec], so tiny-blocks/mapper rebuilds it from an ISO 8601 string and writes it back to the same form, with no mapping to register. As a field on a larger object the value stays a scalar at second precision, matching the default of toIso8601().

<?php

declare(strict_types=1);

use TinyBlocks\Mapper\Mapper;
use TinyBlocks\Time\Instant;

final readonly class Event
{
    public function __construct(public Instant $occurredAt, public string $name)
    {
    }
}

$mapper = Mapper::create();

$event = $mapper->toObject(type: Event::class, source: ['occurredAt' => '2026-02-17T10:30:00+00:00', 'name' => 'launch']);

$mapper->toArray(source: $event); # ['occurredAt' => '2026-02-17T10:30:00+00:00', 'name' => 'launch']

Duration

A Duration represents an immutable, unsigned quantity of time measured in seconds. It has no reference point on the timeline. It expresses only "how much" time.

Creating durations

<?php

declare(strict_types=1);

use TinyBlocks\Time\Duration;

$zero    = Duration::zero();
$seconds = Duration::fromSeconds(seconds: 90);
$minutes = Duration::fromMinutes(minutes: 30);
$hours   = Duration::fromHours(hours: 2);
$days    = Duration::fromDays(days: 7);

All factories reject negative values:

Duration::fromMinutes(minutes: -5); # throws InvalidSeconds

Arithmetic

<?php

declare(strict_types=1);

use TinyBlocks\Time\Duration;

$thirtyMinutes = Duration::fromMinutes(minutes: 30);
$fifteenMinutes = Duration::fromMinutes(minutes: 15);

$thirtyMinutes->plus(other: $fifteenMinutes)->toSeconds();  # 2700 (45 minutes)
$thirtyMinutes->minus(other: $fifteenMinutes)->toSeconds(); # 900 (15 minutes)

Subtraction that would produce a negative result throws an exception:

$fifteenMinutes->minus(other: $thirtyMinutes); # throws InvalidSeconds

Division

Returns the number of times one Duration fits wholly into another. The result is truncated toward zero:

<?php

declare(strict_types=1);

use TinyBlocks\Time\Duration;

$total = Duration::fromMinutes(minutes: 90);
$slot = Duration::fromMinutes(minutes: 30);

$total->divide(other: $slot); # 3

Division by a zero Duration throws an exception:

$total->divide(other: Duration::zero()); # throws InvalidSeconds

Comparing durations

<?php

declare(strict_types=1);

use TinyBlocks\Time\Duration;

$short = Duration::fromMinutes(minutes: 15);
$long = Duration::fromHours(hours: 2);

$short->isLessThan(other: $long);    # true
$long->isGreaterThan(other: $short); # true
$short->isZero();                    # false
Duration::zero()->isZero();          # true

Converting to other units

Conversions truncate toward zero when the duration is not an exact multiple:

<?php

declare(strict_types=1);

use TinyBlocks\Time\Duration;

$duration = Duration::fromSeconds(seconds: 5400);

$duration->toSeconds(); # 5400
$duration->toMinutes(); # 90
$duration->toHours();   # 1
$duration->toDays();    # 0

MonotonicClock

A MonotonicClock exposes a high-resolution counter for measuring elapsed time, conceptually distinct from Duration: Duration is a wall-clock quantity measured in whole seconds, while a monotonic reading is an opaque nanosecond counter whose absolute value carries no calendar meaning and is only useful as the delta between two readings on the same clock. The default SystemMonotonicClock implementation is backed by PHP's hrtime(true).

Reading the current nanoseconds

Returns the current monotonic reading as an integer nanosecond count. The value has no calendar meaning. Treat it as an opaque counter and only compare it to another reading from the same clock.

<?php

declare(strict_types=1);

use TinyBlocks\Time\SystemMonotonicClock;

$clock = new SystemMonotonicClock();

$clock->nanoseconds(); # 12345678901234 (an opaque counter, not a calendar value)

Measuring an elapsed window

Subtract two successive readings on the same clock to obtain the elapsed interval in nanoseconds. Readings are guaranteed to be non-decreasing.

<?php

declare(strict_types=1);

use TinyBlocks\Time\SystemMonotonicClock;

$clock = new SystemMonotonicClock();

$start = $clock->nanoseconds();

# Perform the operation whose latency is being measured.
usleep(1000);

$elapsedNanos = $clock->nanoseconds() - $start;

Stopwatch

A Stopwatch separates the act of measuring from the value being measured. It captures a starting reading from a MonotonicClock and exposes the accumulated interval as an Elapsed value object. The clock is injected explicitly so the time source stays under the caller's control, and reading the interval is idempotent: invoking elapsed() more than once returns successive measurements from the same starting reading.

Elapsed is a pure value object expressed in nanoseconds. It is distinct from Duration, which models wall-clock seconds, and nanosecond and second granularities are kept in separate types so the intent of each measurement stays explicit at the call site.

Starting a stopwatch

Captures the current reading of the provided monotonic clock and returns a stopwatch anchored to that moment.

<?php

declare(strict_types=1);

use TinyBlocks\Time\Stopwatch;
use TinyBlocks\Time\SystemMonotonicClock;

$stopwatch = Stopwatch::start(clock: new SystemMonotonicClock());

Reading the elapsed interval

Returns an Elapsed measuring the interval between the starting reading and the current reading of the same clock. toMilliseconds() converts the nanosecond count to milliseconds rounded to two decimal places.

<?php

declare(strict_types=1);

use TinyBlocks\Time\Stopwatch;
use TinyBlocks\Time\SystemMonotonicClock;

$stopwatch = Stopwatch::start(clock: new SystemMonotonicClock());

# Perform the operation whose latency is being measured.
usleep(1500);

$stopwatch->elapsed()->toMilliseconds(); # 1.5

Reading the elapsed interval more than once

The starting reading is captured once and never changes. Each call to elapsed() returns a new Elapsed measured from that same anchor, so successive calls report a non-decreasing series of intervals.

<?php

declare(strict_types=1);

use TinyBlocks\Time\Stopwatch;
use TinyBlocks\Time\SystemMonotonicClock;

$stopwatch = Stopwatch::start(clock: new SystemMonotonicClock());

usleep(1000);
$firstReading = $stopwatch->elapsed();

usleep(1000);
$secondReading = $stopwatch->elapsed();

$firstReading->toMilliseconds();  # approximately 1.0
$secondReading->toMilliseconds(); # approximately 2.0

Period

A Period represents a half-open time interval [from, to) between two UTC instants. The start is inclusive and the end is exclusive.

Creating from two instants

<?php

declare(strict_types=1);

use TinyBlocks\Time\Instant;
use TinyBlocks\Time\Period;

$period = Period::from(
    from: Instant::fromString(value: '2026-02-17T10:00:00+00:00'),
    to: Instant::fromString(value: '2026-02-17T11:00:00+00:00')
);

$period->from->toIso8601(); # 2026-02-17T10:00:00+00:00
$period->to->toIso8601();   # 2026-02-17T11:00:00+00:00

The start must be strictly before the end:

Period::from(from: $later, to: $earlier); # throws InvalidPeriod

Creating from a start and duration

<?php

declare(strict_types=1);

use TinyBlocks\Time\Duration;
use TinyBlocks\Time\Instant;
use TinyBlocks\Time\Period;

$period = Period::startingAt(
    from: Instant::fromString(value: '2026-02-17T10:00:00+00:00'),
    duration: Duration::fromMinutes(minutes: 90)
);

$period->from->toIso8601(); # 2026-02-17T10:00:00+00:00
$period->to->toIso8601();   # 2026-02-17T11:30:00+00:00

Getting the duration

$period->duration()->toSeconds(); # 5400
$period->duration()->toMinutes(); # 90

Checking if an instant is contained

The check is inclusive at the start and exclusive at the end:

<?php

declare(strict_types=1);

use TinyBlocks\Time\Instant;

$period->contains(instant: Instant::fromString(value: '2026-02-17T10:00:00+00:00')); # true (start, inclusive)
$period->contains(instant: Instant::fromString(value: '2026-02-17T10:30:00+00:00')); # true (middle)
$period->contains(instant: Instant::fromString(value: '2026-02-17T11:30:00+00:00')); # false (end, exclusive)

Detecting overlap

Two half-open intervals [A, B) and [C, D) overlap when A < D and C < B:

<?php

declare(strict_types=1);

use TinyBlocks\Time\Duration;
use TinyBlocks\Time\Instant;
use TinyBlocks\Time\Period;

$periodA = Period::startingAt(
    from: Instant::fromString(value: '2026-02-17T10:00:00+00:00'),
    duration: Duration::fromHours(hours: 1)
);
$periodB = Period::startingAt(
    from: Instant::fromString(value: '2026-02-17T10:30:00+00:00'),
    duration: Duration::fromHours(hours: 1)
);

$periodA->overlapsWith(other: $periodB); # true
$periodB->overlapsWith(other: $periodA); # true

Adjacent periods do not overlap:

<?php

declare(strict_types=1);

use TinyBlocks\Time\Duration;
use TinyBlocks\Time\Instant;
use TinyBlocks\Time\Period;

$first = Period::startingAt(
    from: Instant::fromString(value: '2026-02-17T10:00:00+00:00'),
    duration: Duration::fromHours(hours: 1)
);
$second = Period::startingAt(
    from: Instant::fromString(value: '2026-02-17T11:00:00+00:00'),
    duration: Duration::fromHours(hours: 1)
);

$first->overlapsWith(other: $second); # false

DayOfWeek

A DayOfWeek represents a day of the week following ISO 8601, where Monday is 1 and Sunday is 7.

Deriving from an Instant

<?php

declare(strict_types=1);

use TinyBlocks\Time\DayOfWeek;
use TinyBlocks\Time\Instant;

$instant = Instant::fromString(value: '2026-02-17T10:30:00+00:00');
$day = DayOfWeek::fromInstant(instant: $instant);

$day;        # DayOfWeek::Tuesday
$day->value; # 2

Checking weekday or weekend

<?php

declare(strict_types=1);

use TinyBlocks\Time\DayOfWeek;

DayOfWeek::Monday->isWeekday();   # true
DayOfWeek::Monday->isWeekend();   # false
DayOfWeek::Saturday->isWeekday(); # false
DayOfWeek::Saturday->isWeekend(); # true

Calculating forward distance

Returns the number of days forward from one day to another, always in the range [0, 6]. The distance is measured forward through the week:

<?php

declare(strict_types=1);

use TinyBlocks\Time\DayOfWeek;

DayOfWeek::Monday->distanceTo(other: DayOfWeek::Wednesday); # 2
DayOfWeek::Friday->distanceTo(other: DayOfWeek::Monday);    # 3 (forward through Sat, Sun, Mon)
DayOfWeek::Monday->distanceTo(other: DayOfWeek::Monday);    # 0

TimeOfDay

A TimeOfDay represents a time of day (hour and minute) without date or timezone context. Values range from 00:00 to 23:59.

Creating from components

<?php

declare(strict_types=1);

use TinyBlocks\Time\TimeOfDay;

$time = TimeOfDay::from(hour: 8, minute: 30);

$time->hour;   # 8
$time->minute; # 30

Creating from a string

Parses a string in HH:MM or HH:MM:SS format. When seconds are present, they are discarded:

<?php

declare(strict_types=1);

use TinyBlocks\Time\TimeOfDay;

$time = TimeOfDay::fromString(value: '14:30');

$time->hour;   # 14
$time->minute; # 30

Also accepts the HH:MM:SS format commonly returned by databases:

<?php

declare(strict_types=1);

use TinyBlocks\Time\TimeOfDay;

$time = TimeOfDay::fromString(value: '08:30:00');

$time->hour;       # 8
$time->minute;     # 30
$time->toString(); # 08:30

Deriving from an Instant

Extracts the time of day from an Instant in UTC:

<?php

declare(strict_types=1);

use TinyBlocks\Time\Instant;
use TinyBlocks\Time\TimeOfDay;

$instant = Instant::fromString(value: '2026-02-17T14:30:00+00:00');
$time = TimeOfDay::fromInstant(instant: $instant);

$time->hour;   # 14
$time->minute; # 30

Named constructors

<?php

declare(strict_types=1);

use TinyBlocks\Time\TimeOfDay;

$midnight = TimeOfDay::midnight(); # 00:00
$noon = TimeOfDay::noon();         # 12:00

Comparing times

<?php

declare(strict_types=1);

use TinyBlocks\Time\TimeOfDay;

$morning = TimeOfDay::from(hour: 8, minute: 0);
$afternoon = TimeOfDay::from(hour: 14, minute: 30);

$morning->isBefore(other: $afternoon);        # true
$morning->isAfter(other: $afternoon);         # false
$morning->isBeforeOrEqual(other: $afternoon); # true
$afternoon->isAfterOrEqual(other: $morning);  # true

Measuring distance between times

Returns the Duration between two times. The second time must be after the first:

<?php

declare(strict_types=1);

use TinyBlocks\Time\TimeOfDay;

$start = TimeOfDay::from(hour: 8, minute: 0);
$end = TimeOfDay::from(hour: 12, minute: 30);

$duration = $start->durationUntil(other: $end);

$duration->toMinutes(); # 270

Converting to other representations

<?php

declare(strict_types=1);

use TinyBlocks\Time\TimeOfDay;

$time = TimeOfDay::from(hour: 8, minute: 30);

$time->toMinutesSinceMidnight();  # 510
$time->toDuration()->toSeconds(); # 30600
$time->toString();                # 08:30

LocalDate

A LocalDate is a value object representing a calendar date (year, month, day) without time and without timezone. Dates are always in the proleptic Gregorian calendar and restricted to the range 0001–9999.

Creating from components

<?php

declare(strict_types=1);

use TinyBlocks\Time\LocalDate;

$date = LocalDate::of(year: 2026, month: 5, day: 23);

$date->year();        # 2026
$date->month();       # 5
$date->dayOfMonth();  # 23
$date->toIso8601();   # 2026-05-23

Creating from a string

Accepts only the canonical ISO 8601 date format YYYY-MM-DD. Any other format raises InvalidLocalDate.

<?php

declare(strict_types=1);

use TinyBlocks\Time\LocalDate;

$date = LocalDate::fromString(value: '2026-05-23');

$date->toIso8601(); # 2026-05-23

Today in a timezone

<?php

declare(strict_types=1);

use TinyBlocks\Time\LocalDate;
use TinyBlocks\Time\Timezone;

$today = LocalDate::today(zone: Timezone::from(identifier: 'America/Sao_Paulo'));

$today->toIso8601(); # 2026-05-23

Projecting an Instant

<?php

declare(strict_types=1);

use TinyBlocks\Time\Instant;
use TinyBlocks\Time\Timezone;

$instant = Instant::fromString(value: '2026-05-23T12:00:00+00:00');
$date = $instant->toLocalDate(zone: Timezone::utc());

$date->toIso8601(); # 2026-05-23

Comparing dates

<?php

declare(strict_types=1);

use TinyBlocks\Time\LocalDate;

$earlier = LocalDate::of(year: 2026, month: 1, day: 1);
$later = LocalDate::of(year: 2026, month: 12, day: 31);

$earlier->isBefore(other: $later);        # true
$earlier->isBeforeOrEqual(other: $later); # true
$later->isAfter(other: $earlier);         # true
$later->isAfterOrEqual(other: $earlier);  # true

Day arithmetic

<?php

declare(strict_types=1);

use TinyBlocks\Time\LocalDate;

$date = LocalDate::of(year: 2026, month: 5, day: 23);

$date->plusDays(days: 10)->toIso8601();  # 2026-06-02
$date->minusDays(days: 30)->toIso8601(); # 2026-04-23

Serializing with the mapper

LocalDate carries a #[ScalarCodec], so tiny-blocks/mapper rebuilds it from a YYYY-MM-DD string and writes it back to the same date-only form, instead of widening to a full datetime.

<?php

declare(strict_types=1);

use TinyBlocks\Mapper\Mapper;
use TinyBlocks\Time\LocalDate;

final readonly class Holiday
{
    public function __construct(public LocalDate $date, public string $name)
    {
    }
}

$mapper = Mapper::create();

$holiday = $mapper->toObject(type: Holiday::class, source: ['date' => '2026-05-23', 'name' => 'Labor Day']);

$mapper->toArray(source: $holiday); # ['date' => '2026-05-23', 'name' => 'Labor Day']

Timezone

A Timezone is a value object representing a single valid IANA timezone identifier.

Creating from an identifier

<?php

declare(strict_types=1);

use TinyBlocks\Time\Timezone;

$timezone = Timezone::from(identifier: 'America/Sao_Paulo');

$timezone->value;      # America/Sao_Paulo
$timezone->toString(); # America/Sao_Paulo

Creating a UTC timezone

<?php

declare(strict_types=1);

use TinyBlocks\Time\Timezone;

$timezone = Timezone::utc();

$timezone->value; # UTC

Converting to DateTimeZone

<?php

declare(strict_types=1);

use TinyBlocks\Time\Timezone;

$timezone = Timezone::from(identifier: 'Asia/Tokyo');
$dateTimeZone = $timezone->toDateTimeZone();

$dateTimeZone->getName(); # Asia/Tokyo

Timezones

An immutable collection of Timezone objects.

Creating from objects

<?php

declare(strict_types=1);

use TinyBlocks\Time\Timezone;
use TinyBlocks\Time\Timezones;

$timezones = Timezones::from(
    Timezone::from(identifier: 'America/Sao_Paulo'),
    Timezone::from(identifier: 'America/New_York'),
    Timezone::from(identifier: 'Asia/Tokyo')
);

$timezones->count(); # 3

Creating from strings

<?php

declare(strict_types=1);

use TinyBlocks\Time\Timezones;

$timezones = Timezones::fromStrings('UTC', 'America/Sao_Paulo', 'Europe/London');

$timezones->count();     # 3
$timezones->toStrings(); # ["UTC", "America/Sao_Paulo", "Europe/London"]

Getting all timezones

Returns all Timezone objects in the collection:

$timezones->all(); # [Timezone("UTC"), Timezone("America/Sao_Paulo"), Timezone("Europe/London")]

Finding a timezone by identifier

Searches for a specific IANA identifier within the collection. Returns null if not found.

<?php

declare(strict_types=1);

use TinyBlocks\Time\Timezones;

$timezones = Timezones::fromStrings('UTC', 'America/Sao_Paulo', 'Asia/Tokyo');

$timezones->findByIdentifier(iana: 'Asia/Tokyo');    # Timezone("Asia/Tokyo")
$timezones->findByIdentifier(iana: 'Europe/London'); # null

Finding a timezone by identifier with UTC fallback

Searches for a specific IANA identifier within the collection. Returns UTC if not found.

<?php

declare(strict_types=1);

use TinyBlocks\Time\Timezones;

$timezones = Timezones::fromStrings('UTC', 'America/Sao_Paulo', 'Asia/Tokyo');

$timezones->findByIdentifierOrUtc(iana: 'Asia/Tokyo');    # Timezone("Asia/Tokyo")
$timezones->findByIdentifierOrUtc(iana: 'Europe/London'); # Timezone("UTC")

Checking if a timezone exists in the collection

<?php

declare(strict_types=1);

use TinyBlocks\Time\Timezones;

$timezones = Timezones::fromStrings('America/Sao_Paulo', 'Asia/Tokyo');

$timezones->contains(iana: 'Asia/Tokyo');       # true
$timezones->contains(iana: 'America/New_York'); # false

Getting all identifiers as strings

Returns all timezone identifiers as plain strings:

<?php

declare(strict_types=1);

use TinyBlocks\Time\Timezones;

$timezones = Timezones::fromStrings('UTC', 'America/Sao_Paulo', 'Europe/London');

$timezones->toStrings(); # ["UTC", "America/Sao_Paulo", "Europe/London"]

License

Time is licensed under MIT.

Contributing

Please follow the contributing guidelines to contribute to the project.

About

Models time as immutable value objects for PHP: instants, durations, periods, timezones, and time-of-day, all UTC-normalized.

packagist.org/packages/tiny-blocks/time

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open-source php duration time datetime date timezone period utc instant value-object iso-8601 tiny-blocks

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Releases 10

v2.2.0 Latest
Jun 6, 2026
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