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/1324#issuecomment-348967433,https://api.github.com/repos/pydata/xarray/issues/1324,348967433,MDEyOklzc3VlQ29tbWVudDM0ODk2NzQzMw==,6894066,2017-12-04T13:50:42Z,2017-12-04T13:50:42Z,NONE,"Hello,

I'm having similar issues. However, I'm creating a dataset from a dict (data are packed in Matlab file).

The dataset is ```ds_ivt``` and I have tried:
```python
ds_ivt.time.encode['units'] = 'days since 1900-01-01'
```
and

```python
ds_ivt.to_netcdf('ds_ivt.nc',encoding={'time':{'units':'days since 1900-01-01'}})
```
The ```.info()``` method retrieves:

```bash
ds_ivt.info()
xarray.Dataset {
dimensions:
	lat = 161 ;
	lon = 291 ;
	time = 1460 ;
variables:
	float32 lat(lat) ;
		lat:units = degrees ;
	float32 lon(lon) ;
		lon:units = degrees ;
	datetime64[ns] time(time) ;
		time:units = days since 1900-01-01 ;
	float32 iqu(time, lat, lon) ;
		iqu:units = kg m-1 s-1 ;
	float32 iqv(time, lat, lon) ;
		iqv:units = kg m-1 s-1 ;
// global attributes:
}
```","{""total_count"": 2, ""+1"": 2, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,216626776