Table of Contents
How do I query a date range in MongoDB?
Mongo Date query using CLI or Compass UI
- { DateAdded : { $gt:ISODate(‘Date here’), $lt:ISODate(‘Date here’)}}
- { DateAdded : { $gt:ISODate(‘2019-09-18T21:07:42.313+00:00’), $lt:ISODate(‘2019-09-20T21:08:42.313+00:00’) } }
- gte = greater than or equal to i.e > =
- gt = greater than i.e >
- lte = less than or equal to i.e < =
Can I query MongoDB ObjectId by date?
Overview of Date Range query on ObjectId or _id in MongoDB You can query on ObjectId or _id of MongoDB either greater than ($gt) or less than date ($lt). _id is sufficient to pull based on a date range.
Does MongoDB store timestamp?
Timestamp in mongodb has multiple purposes. Most importantly, it stores the time and date of operation, along with logging system logs.
What time format does MongoDB use?
MongoDB stores times in UTC by default, and converts any local time representations into this form.
How do I get the difference between two dates in MongoDB?
To find the number of days between two given dates we need to:
- Subtract two dates.
- Convert the result in milliseconds to days by dividing by 1000x60x60x24 which is the number of milliseconds in a day.
- 1 day → 24 hours → 24×60 minutes → 24x60x60 seconds → 24x60x60x1000 milliseconds.
How does MongoDB store dates?
You can specify a particular date by passing an ISO-8601 date string with a year within the inclusive range 0 through 9999 to the new Date() constructor or the ISODate() function. These functions accept the following formats: new Date(“”) returns the ISODate with the specified date.
Where is timestamp in MongoDB?
The timestamp is contained in the first 4 bytes of a mongoDB id (see: http://www.mongodb.org/display/DOCS/Object+IDs). You can do this all in one step inside of the mongo shell: document.
How do I add a timestamp in MongoDB?
put(“timestamp”, new Date()); myCollection. insert(myDoc); But that creates a timestamp based-on the client machine’s time, not the database server’s time.
How does MongoDB store date time?
The best format to store date and time in MongoDB is native javascript Date() or ISO date format as it internally converts it into BSON native Date object.
How do I create a timestamp in MongoDB?
How does MongoDB write dates?
What is $project in MongoDB?
The $project takes a document that can specify the inclusion of fields, the suppression of the _id field, the addition of new fields, and the resetting of the values of existing fields. Adds a new field or resets the value of an existing field. Changed in version 3.6: MongoDB 3.6 adds the variable REMOVE .