## Fix Python – extracting days from a numpy.timedelta64 value

I am using pandas/python and I have two date time series s1 and s2, that have been generated using the ‘to_datetime’ function on a field of the df containing dates/times.

When I subtract s1 from s2

s3 = s2 – s1

I get a series, s3, of type

timedelta64[ns]

0 385 days, 04:10:36

1 57 days, 22:54:00

2 642 days, 21:15:23

3 615 days, 00….