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dateAggregationOperators.js
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dateAggregationOperators.js
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/*Date Aggregation Operators
$dayOfYear
Returns the day of the year for a date as a number between 1 and 366 (leap year).
$dayOfMonth
Returns the day of the month for a date as a number between 1 and 31
$dayOfWeek
Returns the day of the week for a date as a number between 1 (Sunday) and 7 (Saturday)
$year
Returns the year for a date as a number
$month
Returns the month for a date as a number between 1 (January) and 12 (December).
$week Returns the week number for a date as a number between O(t* partial week that precedes the first Sunday of the year).and 53 (leap year).
$hour Returns the hour for a date as a number between 0 and 23.
$minute Returns the minute for a date as a number between 0 and 59.
$second Returns the seconds for a date as a number between 0 and 60 (leap seconds).
$millisecond Returns the milliseconds of a date as a number between 0 and 999.
$dateToString Returns the date as a formatted string.
*/
db.products.aggregate([
{
$match: { remark: "NEW" },
},
{
$addFields: { newPrice: { $dayOfYear: "$createdDate" } },
},
]);