guzu92 - 4 months ago 19

R Question

How can I import the folowing date/time format example in R ? I'm willing to keep all information within this format.

`2016-09-12T09:47:00.000+0200`

where:

`YYYY = four-digit year`

MM = two-digit month (01=January, etc.)

DD = two-digit day of month (01 through 31)

hh = two digits of hour (00 through 23) (am/pm NOT allowed)

mm = two digits of minute (00 through 59)

ss = two digits of second (00 through 59)

s = one or more digits representing a decimal fraction of a second

TZD = time zone designator (Z or +hh:mm or -hh:mm)

I've tried

`strptime`

`s`

`TZD`

`> strptime("2016-09-12T09:47:00.000+0200", format = '%Y-%m-%dT%H:%M:%S.000%z')`

[1] "2016-09-12 09:47:00

Answer

To match the decimal fraction of a second (from the docs ?strptime in Examples) use:

```
format = '%Y-%m-%dT%H:%M:%OS%z'
```

Then, to see the 3-digits:

```
op <- options(digits.secs = 3)
strptime("2016-09-12T09:47:00.123+0200", format = '%Y-%m-%dT%H:%M:%OS%z')
##[1] "2016-09-12 03:47:00.123"
```

To go back to not seeing the 3-digits:

```
options(op)
```

I believe this does parse the time zone. I'm on the east coast of the United States, and it is EDT (-0400). Therefore, I'm 6 hours behind (+0200) so that `09:47:00.123+0200`

becomes `03:47:00.123`

EDT.