briannesbitt/Carbon · error · Carbon\Exceptions\InvalidTimeZoneException

Unknown or bad timezone ({})

Error message

Unknown or bad timezone ({})

What it means

Error "Unknown or bad timezone ({})" thrown in briannesbitt/Carbon.

Source

Thrown at src/Carbon/CarbonTimeZone.php:115

        $timezone = $object;

        if ($timezone instanceof static) {
            return $timezone;
        }

        if ($timezone === null || $timezone === false) {
            return null;
        }

        try {
            if (!($timezone instanceof DateTimeZone)) {
                $name = static::getDateTimeZoneNameFromMixed($object);
                $timezone = new static($name);
            }

            return $timezone instanceof static ? $timezone : new static($timezone->getName());
        } catch (Exception $exception) {
            throw new InvalidTimeZoneException(
                'Unknown or bad timezone ('.($objectDump ?: $object).')',
                previous: $exception,
            );
        }
    }

    /**
     * Returns abbreviated name of the current timezone according to DST setting.
     *
     * @param bool $dst
     *
     * @return string
     */
    public function getAbbreviatedName(bool $dst = false): string
    {
        $name = $this->getName();

        $date = new DateTimeImmutable($dst ? 'July 1' : 'January 1', $this);

View on GitHub (pinned to b13f05955d)

When it happens

Trigger: Thrown at src/Carbon/CarbonTimeZone.php:115 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of briannesbitt/Carbon@b13f05955d (2026-08-17). Data as JSON: /api/errors/750daa3a71a1dd7d. Report an issue: GitHub.