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Get the date of the current system

Python acquires the current system time, mainly through the datetime module in Python.

Import datetimefrom time import strftime

Get the current time

Now=datetime.datetime.now () print (now.strftime ("Y-%m-%d H:%M:%S"))

Get the time after the current time + 3 minutes:

UpperTime= (datetime.datetime.now () + datetime.timedelta (minutes=3)) .strftime ("% Y-%m-%d% H:%M:%S") print (upperTime)

Get the time after the current time + 5 minutes:

UpperTime= (datetime.datetime.now () + datetime.timedelta (minutes=5)) .strftime ("% Y-%m-%d% H:%M:%S") print (upperTime)

The printed results are as follows:

2022-04-16 07:47:54

2022-04-16 07:50:54

2022-04-16 07:52:54

Timedelta- interval, that is, the length between two time points

Now (tz=None) returns the current local date and time. If the optional parameter tz is not specified, it is the same as today ().

Strftime (format) returns a string that represents a date, controlled by an explicitly formatted string. Format codes that reference hours, minutes, or seconds will see a value of 0.

The datetime package gets the current date and time

A method to get the current date and time in python using the datetime package.

Datetime class

Datetime is a component package built into python, with a datetime class in the datetime package and a now () method to get the datetime object of the current time:

Import datetimenow = datetime.datetime.now () print (now) # 2022-03-20 18purl 32purl 14.178030

The datetime class has year, month, day, hour, minute, second, microsecond and other members, such as the object now above:

# now: datetime.datetime (2022, 3, 20, 18, 32, 14, 178030) print (now.year) # 2022print (now.month) # 3print (now.day) # 20strftime outputs characters in the specified format

The method strftime of the datetime class returns a string from the datetime object in the specified format (without changing the object itself):

S = now.strftime ('% y% m% d') print (s) # '220320'print (now) # 2022-03-20 18VlV 3215 14.17803 now: datetime.datetime (2022, 3, 20, 18, 32, 14, 178030)

Among them, the commonly used format is as follows:

Year representation of% y double digits (00-99)

The year of% Y four digits is expressed (000-9999)

% m month (01-12)

One day in% d months (0-31)

% H 24 hours (0-23)

% M minutes (00-59)

% s seconds (00-59)

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