apoc.date.toYears
Function

Details
Syntax	`apoc.date.toYears(value [, format ])`
Description	Converts the given timestamp or the given date into a `FLOAT` representing years.
Arguments	Name	Type	Description
	`value`	`ANY`	The timestamp or datetime string to extract the years from.
	`format`	`STRING`	The format the given datetime string is in. The default is: `yyyy-MM-dd HH:mm:ss`.
Returns	`FLOAT`

Usage Examples

The following converts a datetime in milliseconds to floating point years:

WITH datetime("2020-11-05").epochMillis AS datetime
RETURN apoc.date.toYears(datetime) AS years;

Results
years
50.87945205479452

The following converts a date to floating point years:

RETURN apoc.date.toYears("2020-11-02", "yyyy-MM-dd") AS years;

Results
years
2020.027397260274