I think because minutes and hours can easily be composed by multiplying seconds. days is separate because you cannot compose days from seconds; leap seconds are applied to days at various times, due to irregularities in the Earth's rotation.
On Thu, 2022-04-14 at 15:38 +0200, Loris Bennett wrote: > "Loris Bennett" <loris.benn...@fu-berlin.de> writes: > > > Hi, > > > > With Python 3.9.2 I get > > > > $ import datetime > > $ s = "1-00:01:01" > > $ t = datetime.datetime.strptime(s, "%d-%H:%M:%S") > > $ d = datetime.timedelta(days=t.day, hours=t.hour, > > minutes=t.minute, seconds=t.second) > > $ d.days > > 1 > > $ d.seconds > > 61 > > $ d.minutes > > AttributeError: 'datetime.timedelta' object has no attribute > > 'minutes' > > > > Is there a particular reason why there are no attributes 'minutes' > > and > > 'hours and the attribute 'seconds' encompasses is the entire > > fractional > > day? > > That should read: > > Is there a particular reason why there are no attributes 'minutes' > and > 'hours' and the attribute 'seconds' encompasses the entire > fractional > day? > > > Cheers, > > > > Loris > -- > Dr. Loris Bennett (Herr/Mr) > ZEDAT, Freie Universität Berlin Email > loris.benn...@fu-berlin.de -- https://mail.python.org/mailman/listinfo/python-list
