Time::internalizeValue

static function internalizeValue(FieldType $fieldType, $context, $value)
{
	$format = ValueTime::getFormat();
	$offset = CTimeZone::GetOffset();

	if ($value && is_string($value))
	{
		return new ValueTime($value, $offset);
	}

	if ($value instanceof BitrixMainTypeDate)
	{
		return new ValueTime($value->format($format), $offset);
	}

	if (CBPActivity::isExpression($value))
	{
		return $value;
	}

	return null;
}