The function YEAR takes a date or a DateTime and retrieves the four-digit year.

This function takes either a single DateTime or a single date as input. It then returns the four-digit year described by the input.

Declaration

YEAR(datetime) -> year
YEAR(date) -> year

 

Parameters

datetime (type: DateTime)
A DateTime to retrieve the year from.
date (type: date)
A date to retrieve the year from.

Return Values

year (type: number)
The 4-digit year described by the input.

Examples

Assume the first example has access to the following DateTime value:

example_date_and_time = {
"date": {
"day": 1,
"month": 4,
"year": 2021
},
"time": {
"hour": 16,
"minute": 14,
"second": 38,
"millisecond": 0
},
"timeZone": "UTC"
}

The following example retrieves the 4-digit year described in the DateTime example_date_and_time. Note how the output matches the year given in the above variable.

YEAR(example_date_and_time) = 2021

The above example demonstrates how the YEAR function behaves when given a DateTime as input. In order to further establish how the YEAR function behaves when given a date as input, assume the last example has access to the following date value:

example_date = {
"day": 1,
"month": 4,
"year": 2021
}

The following example retrieves the 4-digit year described in the DateTime example_date. Note that the date described in example_date is identical to the date described in example_date_and_time, and YEAR returns the same value when given either as input:

YEAR(example_date) = 2021

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