Questions tagged [datetime]
A DateTime object in many programming languages describes a date and a time of day. It can express either an instant in time or a position on a calendar, depending on the context in which it is used and the specific implementation. This tag can be used for all date and time related issues.
datetime
71,255
questions
0
votes
3
answers
16
views
Find out number of days in a given quarter when date is provided? [duplicate]
I have a data frame with a large number of dates (more than 25 million rows). The sample data looks like this
df <- data.frame(dat = as.Date(c('2015-10-10', '2016-04-04', '2016-01-31', '2017-04-16')...
- 4,505
7
votes
4
answers
19k
views
Convert ticks to unix timestamp
I m getting start time 634942626000000000 and end time 634942638000000000. How can I convert it to a Unix timestamp? I want to display formatted date/time in PHP?
- 3,041
0
votes
2
answers
32
views
Find average temperature from a range of datetime for each day in dataframe
This is a subset of the dataframe I have:
structure(list(name = c("waldorf", "waldorf", "waldorf", "waldorf",
"waldorf", "waldorf", "...
- 70.9k
0
votes
2
answers
482
views
Java get FirstDate and LastDate of following month in MM/dd/yyyy format even if the input is not the first day of the month
I have a function below which has an input Date and it will return the first and last Date of the next month in MM/dd/yyyy format.
String string = "01/01/2022";
DateFormat sdf = new ...
- 18.3k
0
votes
0
answers
24
views
Pandas check if a column has NaT type, unable to find date diff with NaT values [duplicate]
I have StartDate and ExitDate two columns in my dataframe with NaT values in ExitDate column
I wish to create a third column Tenure by finding Difference between ExitDate and StartDate.
StartDate ...
- 1,842
2
votes
1
answer
136
views
Why is C# DateTime.Now/DateTime.UtcNow ahead of SQL Server's SYSUTCDATETIME()/SYSDATETIME() even though C# code executes before the SQL Query
I want to know the reason why my C# date is larger than the SQL date even though the C# code is running first and after that the SQL query,
Logically the SQL date should be greater than C# date.
For ...
- 26.7k
101
votes
14
answers
181k
views
datetime: Round/trim number of digits in microseconds
Currently I am logging stuff and I am using my own formatter with a custom formatTime():
def formatTime(self, _record, _datefmt):
t = datetime.datetime.now()
return t.strftime('%Y-%m-%d %H:%M:...
- 344
0
votes
1
answer
56
views
Query between two dates gives incorrect results in SQL Server? [closed]
Im trying:
SELECT *
FROM database a
WHERE Applicant_End_date >= '2024-01-01'
AND Applicant_Start_date <= '2024-06-30';
Results:
Applicant_End_date shows results starting at 2024-01-01 like:
...
- 1
268
votes
5
answers
268k
views
Print all day-dates between two dates [duplicate]
For example:
from datetime import date
d1 = date(2008,8,15)
d2 = date(2008,9,15)
I'm looking for simple code to print all dates in-between:
2008,8,15
2008,8,16
2008,8,17
...
2008,9,14
...
- 1,681
-1
votes
0
answers
21
views
php8.1 - Deprecated code involving date_create() [duplicate]
Here are the errors I am getting:
Warning
: Undefined variable $modified in
/home/cssdar/public_html/members/templates/cassiopeia_members2024/index.php
on line
38
Warning
: Undefined variable $...
- 60.1k
10
votes
5
answers
36k
views
Time difference and convert into hours and minutes in javascript
I am having the time values as follows
starttime like : 09:00:00 ,
endTime like : 10:00:00 ;
here no date value is needed.
so this values need to calculate difference and convert into hours and ...
- 141
-1
votes
3
answers
52
views
Laravel Carbon (How to calculate exit next payment date)
I need to get exit next date of payment of loan:
as loan date: 1-1-2020
loan period: 2 years 5 months
payment date: ? ?
calculating expected date of payment
// calculating next payment date
...
- 3,540
0
votes
4
answers
1k
views
Convert a tuple into Datetime
Kindly need some help please :)
I have two date-time's i am using the date-time.combine to concatenate
one is datetime.date (pretty much todays date) - the other is datetime.time (which is a ...
- 6,207
0
votes
1
answer
19
views
How do I add 'week of year' and 'day of year' columns to a python datatable?
There is currently (version 1.1.0) no python datatable.time.week() or datatable.time.day_of_year() functions.
Here is some example data:
from datetime import date
import datatable as dt
DT = dt.Frame(...
- 1,743
2
votes
1
answer
41
views
how do you sort column names in Date in descending order in pandas
I have this DataFrame:
Node Interface Speed Band_In carrier Date
Server1 wan1 100 80 ATT 2024-05-09
Server1 wan1 100 50 ...
- 246k