Finding yesterday's date with datetime

[Thierry Lam]

Is there an easy way to determine the yesterday's date(year-month-day)
from the python datetime library if I know today's date?

Thanks
Thierry

[andyrsmith]

Try something like this...

HTH. A.
from datetime import *

d1 = datetime( year=2006, month=5, day=15)
d2 = datetime.now()

for d in [d1,d2]:
yest = d - timedelta(days =1 )

print "%s -> %s" % (d, yest)

[Michael J. Fromberger]

In article <11************ **********@v46g 2000cwv.googleg roups.com>,
"Thierry Lam" <la********@gma il.com> wrote:

Is there an easy way to determine the yesterday's date(year-month-day)
from the python datetime library if I know today's date?

from datetime import datetime, timedelta

today = datetime.today( )
yesterday = today - timedelta(1)

# See the .month, .day, and .year fields of yesterday

Cheers,
-M

--
Michael J. Fromberger | Lecturer, Dept. of Computer Science
http://www.dartmouth.edu/~sting/ | Dartmouth College, Hanover, NH, USA