This article contains a list of date operators, methods, and variables that you can use when working with dates in MongoDB.
Continue readingTag: dates
MongoDB Date() Method
In MongoDB, the Date()
method returns a date either as a string or as a Date object.
- When you call it as
Date()
, it returns the current date as a string in themongo
shell. - When you call it as
new Date()
, it returns the current date as a Date object.
You can also provide a specific date as an argument to new Date()
, so that it uses that date.
MongoDB NOW Aggregation Variable
MongoDB provides the NOW
system variable that allows you to get the current datetime value when using an aggregation pipeline.
This can be useful for when you want to update a document with the current datetime.
Continue readingMongoDB $dateFromParts
In MongoDB, the $dateFromParts
aggregation pipeline operator constructs and returns a Date object from the date’s constituent parts.
You provide each date part as a separate field.
You can specify your constituent date fields in ISO week date format if required.
Continue readingMongoDB $dateToParts
In MongoDB, the $dateToParts
aggregation pipeline operator returns the date parts of a given date.
More specifically, it returns a document that contains the constituent parts of a given BSON Date value as individual properties.
Continue readingMongoDB $dateToString
In MongoDB, the $dateToString
aggregation pipeline operator converts a given date object to a string.
The $dateToString
operator accepts either a Date, a Timestamp, or an ObjectId.
MongoDB $dateToString Format Specifiers
The following table outlines the format specifiers that can be used with the $dateToString
aggregation pipeline operator in MongoDB.
MongoDB $dateFromString
In MongoDB, the $dateFromString
aggregation pipeline operator converts a date/time string to a date object.
MongoDB $dateFromString Format Specifiers
The following table outlines the format specifiers that can be used with the $dateFromString
aggregation pipeline operator in MongoDB.
MongoDB $month
In MongoDB, the $month
aggregation pipeline operator returns the month of a given date as a number between 1
and 12
.
When using the $month
operator, you can optionally specify a timezone to use for the result.
The $month
operator accepts either a date (as either a Date, a Timestamp, or an ObjectId), or a document that specifies the date and timezone to use.