JavaScript Date Reference
JavaScript Date object is used to represent a moment in time It is used to work with date and time This time value is since 1 January 1970 UTC (Coordinated Universal Time).
Syntax:
new Date();
Example: If nothing as the parameter is given, it returns the present date and time.
Javascript
// If nothing as a parameter is given,// it represents the present date and time.let A = new Date();// Printing present date and time.console.log(A); |
Output:
Mon Nov 14 2022 16:56:38 GMT+0530 (India Standard Time)
The complete list of JavaScript Date methods and properties are listed below:
JavaScript Date Constructor: A constructor gets called when an object is created using the new keyword.
| Constructor | Description | Examples |
|---|---|---|
| Date() | Create a Date instance or return a string representing the current time. |
JavaScript Date Properties: A JavaScript property is a member of an object that associates a key with a value.
- Instance Properties: An instance property is a property that has a new copy for every new instance of the class.
| Properties | Description | Examples |
|---|---|---|
| constructor | Returns the constructor function for an object. |
JavaScript Date Methods: JavaScript methods are actions that can be performed on objects.
- Static Method: If the method is called using the Date class itself then it is called a static method.
| Static Methods | Description | Examples |
|---|---|---|
| now() | Return the number of milliseconds elapsed since January 1, 1970, 00:00:00 UTC. | |
| parse() | Return the time difference in milliseconds from, January 1, 1970, till the date we provide. | |
| UTC() | Return the number of milliseconds in a Date object since January 1, 1970, 00:00:00, universal time. |
- Instance Method: If the method is called on an instance of a date object then it is called an instance method.
| Instance Methods | Description | Examples |
|---|---|---|
| getDate() | Fetch the date of a month from a given Date object. | |
| getDay() | Fetch the day of a week(0 to 6) from a given Date object. | |
| getFullYear() | Fetch the year from a given Date object. | |
| getHours() | Return the hours from a given Date object. | |
| getMilliseconds() | Fetch the milliseconds from a given Date object. | |
| getMinutes() | Fetch the minutes from the given Date object. | |
| getMonth() | Fetch the month(0 to 11) from the given Date object. | |
| getSeconds() | Fetch the seconds from the given Date object. | |
| getTime() | Return the number of milliseconds since 1 January 1970 . | |
| getTimezoneOffset() | Return the time difference between in minutes. | |
| getUTCDate() | Fetch the date of a month according to universal time from a given Date object. | |
| getUTCDay() | Fetch the date of a month according to universal time from a given Date object. | |
| getUTCFullYear() | Fetch the year according to universal time from a given Date object. | |
| getUTCHours() | Fetch the hours according to universal time from a given Date object. | |
| getUTCMilliseconds() | Fetch the millisecond according to universal time from a given Date object. | |
| getUTCMinutes() | Fetch the minutes according to universal time from a given Date object. | |
| getUTCMonth() | Fetch the month according to universal time from a given Date object. | |
| getUTCSeconds() | Fetch the second according to universal time from a given Date object | |
| getYear() | Get the year on a specified date according to universal time. | |
| setDate() | Set the date of a month into a date object which is created using date() constructor. | |
| setFullYear() | Set year into a date object which is created using Date() constructor. | |
| setHours() | Set hours into a date object which is created using the Date() constructor. | |
| setMilliseconds() | Set milliseconds into a date object which are created using date() constructor. | |
| setMinutes() | Set minutes into a Date object which is created using Date() constructor. | |
| setMonth() | Set month into a date object which is created using the Date() constructor. | |
| setSeconds() | Set seconds into a Date object which is created using Date() constructor. | |
| setUTCDate() | Set date of a month according to universal time into a date object. | |
| setUTCFullYear() | Set year into a date object according to universal time. | |
| setUTCHours() | Set hours into a date object according to universal time. | |
| setUTCMilliseconds() | Set milliseconds according to universal time into a date object. | |
| setUTCMinutes() | Set minutes according to universal time into a date object. | |
| setUTCMonth() | Set month according to universal time into a date object. | |
| setUTCSeconds() | Set seconds according to universal time into a date object. | |
| setYear() | Set the year in a specified date according to universal time. | |
| toDateString() | Convert the given date object’s contents of the date portion into a string. | |
| toISOString() | Convert the given date object’s contents into a string in ISO format (ISO 8601). | |
| toJSON() | Convert the given date object’s contents into a string. | |
| toLocaleDateString() | Convert a date to a string. | |
| toLocaleTimeString() | Fetch the time from a given Date object. | |
| toLocaleString() | Convert a date and time to a string. | |
| toString() | Convert the given date object’s contents into a string. | |
| toTimeString() | Return the time portion of the given date object in English. | |
| toUTCString() | Convert the given date object’s contents into a string according to the universal time zone UTC. | |
| valueOf() | Get the number of milliseconds between 1 January 1970 00:00:00 UTC and the given date. |
