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<IntlCalendar::setSkippedWallTimeOptionIntlCalendar::setTimeZone>
^IntlCalendarLast updated: Mon, 26 Oct 2026

IntlCalendar::setTime

(PHP 5 >= 5.5.0, PHP 7, PHP 8, PECL >= 3.0.0a1)

IntlCalendar::setTime — Set the calendar time in milliseconds since the epoch

Description

Object-oriented style

public function IntlCalendar::setTime(float $timestamp): bool

Procedural style

function intlcal_set_time(IntlCalendar $calendar, float $timestamp): bool

Sets the instant represented by this object. The instant is represented by a float whose value should be an integer number of milliseconds since the epoch (1 Jan 1970 00:00:00.000 UTC), ignoring leap seconds. All the field values will be recalculated accordingly.

Parameters

calendar

An IntlCalendar instance.

timestamp

An instant represented by the number of number of milliseconds between such instant and the epoch, ignoring leap seconds.

Return Values

Returns true on success and false on failure.

Examples

Example #1 IntlCalendar::setTime()

<?php
ini_set('date.timezone', 'Europe/Lisbon');
ini_set('intl.default_locale', 'fr_FR');

$cal = new IntlGregorianCalendar(2013, 5 /* May */, 1, 12, 0, 0);

echo IntlDateFormatter::formatObject($cal, IntlDateFormatter::FULL), "\n";

/* In Europe/Lisbon, on 2013-10-27 at 0200, the clock goes back one hour and
   the timezone from UTC+01 to UTC+00 */

$cal->setTime(strtotime('2013-10-27 00:30:00 UTC') * 1000.);

echo IntlDateFormatter::formatObject($cal, IntlDateFormatter::FULL), "\n";

$cal->setTime(strtotime('2013-10-27 01:30:00 UTC') * 1000.);

echo IntlDateFormatter::formatObject($cal, IntlDateFormatter::FULL), "\n";

The above example will output:

samedi 1 juin 2013 12:00:00 heure avancée d’Europe de l’Ouest
dimanche 27 octobre 2013 01:30:00 heure avancée d’Europe de l’Ouest
dimanche 27 octobre 2013 01:30:00 heure normale d’Europe de l’Ouest


<IntlCalendar::setSkippedWallTimeOptionIntlCalendar::setTimeZone>
^IntlCalendarLast updated: Mon, 26 Oct 2026