MongoDB provides a good range of aggregation pipeline operators for working with dates, including operators that extract certain parts of dates, such as the year, month, day, hours, minutes, etc.

There are also a couple of MongoDB methods that enable you to iterate through a cursor, and apply a JavaScript function. You can therefore use JavaScript to extract date values and date parts, etc from a field as required.

This article presents 5 ways to return the hour portion from a Date object in MongoDB.

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MongoDB provides various options for extracting date parts from a date.

This article presents 3 ways to return the week portion from a date in MongoDB.

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When extracting the day from a date, the exact option we use will depend on how we want the day to be represented.

For example, do we want the day of the week, the day of the month, or the day of the year? Or perhaps we want it in ISO 8601 format? The return value will usually be different depending on which one we choose.

This article explores those options, and therefore presents 8 ways to return the day portion from a date in MongoDB.

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MongoDB provides a number of aggregation pipeline operators for working with dates, including operators that extract certain parts of dates, such as the year, month, day, etc.

There are also a couple of MongoDB methods that enable you to iterate through a cursor, and apply a JavaScript function. You can therefore use JavaScript to extract date values and date parts, etc from a field as required.

This article presents 5 ways to return the month portion from a date in MongoDB.

Continue reading →