datetime dateutil calculation returns strange format

Question

I have a date in string format. I'd like to calculate another date that is 1 year earlier. I tried to format the returned result but didn't get the expected format.

from dateutil.relativedelta import *
import datetime
latest = '2021-03-01'
date_minus_1y = datetime.datetime.strptime(latest, "%Y-%m-%d") - (dateutil.relativedelta.relativedelta(months=12))
date_minus_1y.strftime("%Y-%m%-%d")

I received result '2020-03%d' but I want 2020-03-01.

Thank you

Note : [why "import *" is bad](https://stackoverflow.com/q/2386714/10197418). dateutil docs are a bad example. — FObersteiner, Apr 16 '21 at 05:54

score 1 · Accepted Answer · answered Apr 15 '21 at 23:15

1

date_minus_1y.strftime("%Y-%m%-%d")

should be

date_minus_1y.strftime("%Y-%m-%d")

answered Apr 15 '21 at 23:15

DevLounge

8,313
3
31
44

datetime dateutil calculation returns strange format

1 Answers1