# 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 MongoDB\BSON\UTCDateTime implements MongoDB\BSON\UTCDateTimeInterface , MongoDB\BSON\Type , Serializable , JsonSerializable {
/* Methods */
final public __construct ([ integer|float|string|DateTimeInterface `$milliseconds` = `NULL` ] )
final public jsonSerialize ( void ) : mixed
final public serialize ( void ) : string
final public toDateTime ( void ) : DateTime
final public __toString ( void ) : string
final public unserialize ( string `$serialized` ) : void
}

## Changelog

Version | Description
--- | ---
1.3.0 | Implements MongoDB\BSON\UTCDateTimeInterface.
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::serialize — Serialize a UTCDateTime
- MongoDB\BSON\UTCDateTime::toDateTime — Returns the DateTime representation of this UTCDateTime
- MongoDB\BSON\UTCDateTime::__toString — Returns the string representation of this UTCDateTime
- MongoDB\BSON\UTCDateTime::unserialize — Unserialize a UTCDateTime