Unable to subtract a day from any specific date format

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I'm trying to subtract a day from this date 06-30-2019 in order to make it 06-29-2019 but can't figure out any way to achive that.

I've tried with:

import datetime

date = "06-30-2019"
date = datetime.datetime.strptime(date,'%m-%d-%Y').strftime('%m-%d-%Y')

It surely gives me back the date I used above.

How can I subtract a day from a date in the above format?

try this

import datetime

date = "06/30/19" 
date = datetime.datetime.strptime(date, "%m/%d/%y") 
NewDate = date + datetime.timedelta(days=-1)

print(NewDate)  # 2019-06-29 00:00:00

Subtract dates in Excel; add days, weeks, months or years to date, To subtract a given number of days from a certain date, you perform a usual arithmetic Please see Changing the date format in Excel for the detailed steps. However, there exists the Date & Time Wizard that can build any formula for you I am sure that you will be able get the required results you need. In the preview pane, click on the date column, and select Date In the Date drop down, choose the date format that your dates are currently displayed in. In this example, the dates show month/day/year, so I’ve selected MDY. Select each of the remaining columns, and set it as “Do not import column (skip)”

Your code:

date = "06-30-2019"
date = datetime.datetime.strptime(date,'%m-%d-%Y').strftime('%m-%d-%Y')

Check type of date variable.

Out[]: str 

It is in string format. To perform subtraction operation you must convert it into date format first. You can use pd.to_datetime()

# Import packages
import pandas as pd
from datetime import timedelta

# input date
date = "06-30-2019"
# Convert it into pd.to_datetime format
date = pd.to_datetime(date)
# Substracting days
number_of_days = 1
new_date = date - timedelta(number_of_days)


2019-06-29 00:00:00

If you want to get rid of timestamp you can use:

Out[]: '2019-06-29'

How to correct a #VALUE! error in the DAYS function, error. Solution: Check your system's date and time settings to make sure that they match the format of the dates referred to in the formula. If necessary,  This should be simple but can't see how to format a date in a measure. This measure works fine except it give me a date/time format. And all I want is a MM/DD/YYYY format: Right now it is showing: Between 2020/05/30 12:09:42 AM. I want it to show: Between 5/30/2020 "Between "&

use timedelta

import datetime
date = datetime.datetime.strptime("06/30/19" ,"%m/%d/%y")
print( date - datetime.timedelta(days=1))

How to Subtract Dates in Excel, How to Subtract Dates in Excel - Learn How Dates are Stored in Excel and How to you can subtract dates in Excel, in the same way that you can subtract any other integers. Ensure the result is formatted as a number. The result from the subtraction formula is equal to the number of days between the two dates. When you enter a date with two digits for the year e.g. 1/1/09, Excel has to decide if you mean 2009 or 1909. It goes by the rule that dates with years 29 or before, are treated as 20xx and dates with the year 30 or older are treated as 19xx. See examples below.

Subtract # of days from a date (RESOLVED) - Form, of days to a particular date, but is there a way to SUBTRACT # days from a date​? I want to subtract 7 days from my launch date to determine the start date of my week long Any help here would be greatly appreciated!! with formatting choices applicable to dates — you should be able to display them in calendar view. To find out what day of the week this is, use weekdays(): > weekdays(xd) [1] "Friday" You can add or subtract numbers from dates to create new dates. For example, to calculate the date that is seven days in the future, use the following: > xd + 7 [1] "2012-08-03" In the same way as with numbers or text, you can put multiple dates into a vector.

How can I calculate the difference between dates when my date is in , I would like to be able to calculate the number of days between the two. In order to be able to subtract dates the "Serial Date Number" format is the most useful. date ( the default is Jan 01 0000, but this can be set to any date you prefer). Specify a date parse order if arg is str or its list-likes. If True, parses dates with the day first, eg 10/11/12 is parsed as 2012-11-10. Warning: dayfirst=True is not strict, but will prefer to parse with day first (this is a known bug, based on dateutil behavior). yearfirst bool, default False. Specify a date parse order if arg is str or its

Subtract DateTime from Date to get number of days, One field has a date and the other field contains DateTime. in just Date format or when creating the formula to display a number, During those time periods, those sites will be unavailable, and users will be unable to access them. past and find out how many full weeks and any additional portion of a  Dates before January 1, 1960, are negative numbers; dates after are positive numbers. SAS date values account for all leap year days, including the leap year day in the year 2000. SAS date values can reliably tell you what day of the week a particular day fell on as far back as September 1752, when the calendar was adjusted by dropping several