html_url,issue_url,id,node_id,user,created_at,updated_at,author_association,body,reactions,performed_via_github_app,issue
https://github.com/pydata/xarray/issues/3099#issuecomment-511128911,https://api.github.com/repos/pydata/xarray/issues/3099,511128911,MDEyOklzc3VlQ29tbWVudDUxMTEyODkxMQ==,4711805,2019-07-13T15:05:29Z,2019-07-13T15:05:29Z,CONTRIBUTOR,"I guess it's not a bug but just the normal behavior, since `da.time` is a `DataArray`, and:
```python
In [4]: da.time - np.timedelta64(1, 'D')
Out[4]:
<xarray.DataArray 'time' (time: 2)>
array(['1999-12-31T00:00:00.000000000', '2000-01-01T00:00:00.000000000'],
      dtype='datetime64[ns]')
Coordinates:
  * time     (time) datetime64[ns] 2000-01-01 2000-01-02
```","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,467267153