# The MongoDB\BSON\UTCDateTime class

(mongodb >=1.0.0)

## Introduction

Represents a » BSON date. The value is a 64-bit integer that represents the number of milliseconds since the Unix epoch (Jan 1, 1970). Negative values represent dates before 1970.

## Class synopsis

final class MongoDB\BSON\UTCDateTime implements MongoDB\BSON\UTCDateTimeInterface, MongoDB\BSON\Type, JsonSerializable, Stringable {
/* Methods */
final public __construct(int|MongoDB\BSON\Int64|DateTimeInterface|null `$milliseconds` = `null`)
final public jsonSerialize(): mixed
final public toDateTime(): DateTime
final public toDateTimeImmutable(): DateTimeImmutable
final public __toString(): string
}

## Changelog

Version | Description
--- | ---
PECL mongodb 2.0.0 | This class no longer implements the Serializable interface.
PECL mongodb 1.12.0 | Implements Stringable for PHP 8.0+.
PECL mongodb 1.3.0 | Implements MongoDB\BSON\UTCDateTimeInterface.
PECL mongodb 1.2.0 | Implements Serializable and JsonSerializable.

## Table of Contents

- MongoDB\BSON\UTCDateTime::__construct — Construct a new UTCDateTime
- MongoDB\BSON\UTCDateTime::jsonSerialize — Returns a representation that can be converted to JSON
- MongoDB\BSON\UTCDateTime::toDateTime — Returns the DateTime representation of this UTCDateTime
- MongoDB\BSON\UTCDateTime::toDateTimeImmutable — Returns the DateTimeImmutable representation of this UTCDateTime
- MongoDB\BSON\UTCDateTime::__toString — Returns the string representation of this UTCDateTime

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