Date Aggregation Operators¶

Name	Description
`$dayOfYear`	Returns the day of the year for a date as a number between 1 and 366 (leap year).
`$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 (e.g. 2014).
`$month`	Returns the month for a date as a number between 1 (January) and 12 (December).
`$week`	Returns the week number for a date as a number between 0 (the 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.