Python's built-in datetime module provides classes for manipulating dates and times in both simple and complex ways.
Python's built-in datetime module provides classes for manipulating dates and times in both simple and complex ways.
Questions tagged [python-datetime]
1880 questions
908
votes
12 answers
Getting today's date in YYYY-MM-DD in Python?
Is there a nicer way than the following to return today's date in the YYYY-MM-DD format?
str(datetime.datetime.today()).split()[0]
Pyderman
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795
votes
16 answers
How to make a datetime object aware (not naive)
What I need to do
I have a timezone-unaware datetime object, to which I need to add a time zone in order to be able to compare it with other timezone-aware datetime objects. I do not want to convert my entire application to timezone unaware for this…
Mark Tozzi
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467
votes
6 answers
Convert DataFrame column type from string to datetime
How can I convert a DataFrame column of strings (in dd/mm/yyyy format) to datetime dtype?
perigee
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326
votes
14 answers
How to convert a UTC datetime to a local datetime using only standard library?
I have a python datetime instance that was created using datetime.utcnow() and persisted in database.
For display, I would like to convert the datetime instance retrieved from the database to local datetime using the default local timezone (i.e., as…
Nitro Zark
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240
votes
15 answers
How to calculate the time interval between two time strings
I have two times, a start and a stop time, in the format of 10:33:26 (HH:MM:SS). I need the difference between the two times. I've been looking through documentation for Python and searching online and I would imagine it would have something to do…
Hannah
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161
votes
4 answers
Calculate Time Difference Between Two Pandas Columns in Hours and Minutes
I have two columns, fromdate and todate, in a dataframe.
import pandas as pd
data = {'todate': [pd.Timestamp('2014-01-24 13:03:12.050000'), pd.Timestamp('2014-01-27 11:57:18.240000'), pd.Timestamp('2014-01-23 10:07:47.660000')],
'fromdate':…
sbalajis
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102
votes
4 answers
Convert string into datetime.time object
Given the string in this format "HH:MM", for example "03:55", that represents 3 hours and 55 minutes.
I want to convert it to datetime.time object for easier manipulation. What would be the easiest way to do that?
Zed
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80
votes
13 answers
How to convert a time string to seconds?
I need to convert time value strings given in the following format to seconds, for example:
1.'00:00:00,000' -> 0 seconds
2.'00:00:10,000' -> 10 seconds
3.'00:01:04,000' -> 64 seconds
4.'01:01:09,000' -> 3669 seconds
Do I need to use regex to do…
damon
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72
votes
9 answers
How do I determine if current time is within a specified range using Python's datetime module?
What would be the best way to see if the current time lies between say 10:30 AM and 4:30 PM.
I could think of the following, not sure how correct:
from datetime import datetime
nw = datetime.now()
hrs = nw.hour;mins = nw.minute;secs =…
user993563
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65
votes
5 answers
How do I round datetime column to nearest quarter hour
I have loaded a data file into a Python pandas dataframe. I has a datetime column of the format 2015-07-18 13:53:33.280.
What I need to do is create a new column that rounds this out to its nearest quarter hour. So, the date above will be rounded…
sfactor
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59
votes
3 answers
Why is pandas.to_datetime slow for non standard time format such as '2014/12/31'
I have a .csv file in such format
timestmp, p
2014/12/31 00:31:01:9200, 0.7
2014/12/31 00:31:12:1700, 1.9
...
and when read via pd.read_csv and convert the time str to datetime using pd.to_datetime, the performance drops dramatically. Here is a…
liubenyuan
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51
votes
4 answers
Python datetime strptime() and strftime(): how to preserve the timezone information
See the following code:
import datetime
import pytz
fmt = '%Y-%m-%d %H:%M:%S %Z'
d = datetime.datetime.now(pytz.timezone("America/New_York"))
d_string = d.strftime(fmt)
d2 = datetime.datetime.strptime(d_string, fmt)
print d_string
print…
CuriousMind
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50
votes
6 answers
Is there an easy way to convert ISO 8601 duration to timedelta?
How can I convert an ISO 8601 duration string to datetime.timedelta?
I tried just instantiating timedelta with the duration string and a format string, but I get an exception:
>>> from datetime import timedelta
>>> timedelta("PT1H5M26S",…
Alkindus
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42
votes
5 answers
How to convert integer into date object python?
I am creating a module in python, in which I am receiving the date in integer format like 20120213, which signifies the 13th of Feb, 2012. Now, I want to convert this integer formatted date into a python date object.
Also, if there is any means by…
Uday0119
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36
votes
2 answers
How can I translate dates and times from natural language to datetime?
I'm looking for a way to translate 'tomorrow at 6am' or 'next monday at noon' to the appropriate datetime objects.
I thought of engineering a complex set of rules, but is there another way?
Vasil
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