Python datetime time to milliseconds

How to Convert DateTime to UNIX timestamp in Python

In this Python tutorial, we will learn how to Convert DateTime to UNIX timestamp in Python (Python DateTime to UNIX timestamp), and also we will cover these topics:

  • What is the Unix timestamp?
  • Convert DateTime to Unix timestamp python
  • Python DateTime to Unix timestamp milliseconds
  • Python DateTime to Unix timestamp 13 digits
  • Python DateTime to Unix timestamp UTC
  • Python DateTime string to Unix timestamp
  • Python datetime.now to Unix timestamp
  • Python datetime.date to Unix timestamp
  • Python DateTime to Unix timestamp seconds
  • Python DateTime to Unix timestamp timezone
  • Python Unix timestamp to datetime
  • Format Unix timestamp python

What is the Unix timestamp?

  • Unix time is a single signed number that increases every second that makes computers to store and manipulate the conventional date systems. The program is then converted into a human-readable format.
  • The Unix timestamp is the number of seconds that have been calculated from 1 January 1970.
Читайте также:  Role menu в html

Convert DateTime to Unix timestamp python

Now, we can see how to convert DateTime to Unix timestamp in python.

  • In this example, I have imported a module called datetime and time, the variable datetime is declared and assigned datetime.datetime(2020, 2, 11, 10, 20).
  • Here 2020 is the year, 2 is the month, 11 is the day, 10 is the hour and 20 is the minute.
  • The datetime module has many methods that return many information about the date object.
  • The mktime is the method of time which is the inverse function of local time, this method is used to convert datetime to Unix timestamp.
  • The timetuple() is a method of datetime class that returns the attributes of datetime as a name tuple.
import datetime import time datetime = datetime.datetime(2020, 2, 11, 10, 20) print("Unix_Time_stamp: ",(time.mktime(datetime.timetuple())))

The below screenshot shows the unix timestamp as the output:

Convert DateTime to Unix timestamp python

Python DateTime to Unix timestamp milliseconds

Here, we can see how to convert DateTime to Unix timestamp milliseconds in python.

  • In this example, I have imported a module called datetime to get the Unix timestamp in milliseconds. The datetime.now() is used to get the present time.
  • The mktime is the method of time which is the inverse function of local time, this method is used to convert datetime to Unix timestamp milliseconds.
  • The timetuple() is a method of datetime class that returns the attributes of datetime as a name tuple. To get the time in the millisecond it has to be multiplied by 1000.
import datetime, time millisecond = datetime.datetime.now() print(time.mktime(millisecond.timetuple()) * 1000)

We can see the unix timestamp in milliseconds. You can refer to the below screenshot for the output:

Читайте также:  Java lang string encoding

Python DateTime to Unix timestamp milliseconds

Python DateTime to Unix timestamp 13 digits

Now, we can see DateTime to Unix timestamp 13 digits in python.

  • In this example, I have imported modules like time and datetime.
  • The datetime.datetime.now() is used to get the present time.
  • The timetuple() is a method of datetime class that returns the attributes of datetime as a name tuple. To get the timestamp of 13 digits it has to be multiplied by 1000.
import time import datetime date = datetime.datetime.now() unix_time = datetime.datetime.timestamp(date)*1000 print(unix_time)

The below screenshot shows the output which consists of 13digits in unix timestamp.

Python DateTime to Unix timestamp 13 digits

Python DateTime to Unix timestamp UTC

Here, we can see how to convert DateTime to Unix timestamp UTC in python.

  • In this example, I have imported a module called calendar and datetime. The calendar module provides useful functions related to the calendar.
  • The utc.now is used to get the present time in the UTC timezone. The timegm function in the time module returns unix timestamp.
  • The timetuple() is a method of datetime class that returns the attributes of datetime as a name tuple. The print(UTC) is used to get the Unix timestamp.
import calendar import datetime date_time = datetime.datetime.utcnow() UTC = calendar.timegm(date_time.utctimetuple()) print(UTC)

The below screenshot shows the output.

Python DateTime to Unix timestamp UTC 1

Python DateTime string to Unix timestamp

Now, we can see DateTime string to Unix timestamp in python.

  • In this example, I have imported a module called datetime and declared a variable as date_string.
  • Here, I have assigned date_string = “2/11/2021, 04:5:8” here the date and time are given in string format.
  • Here 2 is the month, 11 is the day, 2021 is the year, 04 is the hour, 5 is the minute, and 8 is the second.
  • The strptime() is the function of datetime module it is used to parse the string to datetime and time objects. The timestamp() method returns the local time.
import datetime date_string = "2/11/2021, 04:5:8" date = datetime.datetime.strptime(date_string, "%m/%d/%Y, %H:%M:%S") time_stamp = datetime.datetime.timestamp(date) print(time_stamp)

The below screenshot shows the datetime string form is converted into Unix timestamp as the output.

Python DateTime string to Unix timestamp

Python datetime.now to Unix timestamp

Now, we can see datetime.now to Unix timestamp in python.

  • In this example, I have imported a module called datetime and declared a variable as time_stamp, and assigned datetime.now() method to get now time in the Unix timestamp.
  • The timestamp() function returns the time expressed in a number of seconds.
from datetime import datetime time_stamp= datetime.now() now = datetime.timestamp(time_stamp) print(now)

The below screenshot shows the output.

Python datetime.now to Unix timestamp

Python datetime.date to unix timestamp

Here, we can see datetime.date to unix timestamp in python.

  • In this example, I have imported a module called datetime and time. Here datetime.date() is used in which we can pass only date in it.
  • Here 2020 is the year, 2 is the month, 11 is the day.
  • The mktime() is the method of time which is the inverse function of local time, this method is used to convert date to Unix timestamp.
import datetime import time datetime = datetime.date(2020, 2, 11) print("Unix_Time_stamp: ",(time.mktime(datetime.timetuple())))

We can see the date is converted into timestamp as the output. You can refer to the below screenshot for the output:

Python datetime.date to unix timestamp

Python DateTime to Unix timestamp seconds

Now, let’s see DateTime to Unix timestamp seconds in python.

  • In this example, I have imported called datetime and to calculate Unix timestamp seconds, we have to subtract the required date from the Unix timestamp i.e 1970, 1, 1.
  • Here 2020 is the year, 2 is the month, 11 is the day.
  • The total number of seconds is returned by total_seconds().
  • To get the output, I have used print(seconds)
import datetime seconds = (datetime.datetime(2020,2,11) - datetime.datetime(1970, 1, 1)).total_seconds() print(seconds)

The below screenshot shows the output

Python DateTime to Unix timestamp seconds

Python Datetime to Unix timestamp timezone

Here, we can see Datetime to unix timestamp timezone in python.

  • In this example, I have imported modules called datetime and timezone and declared a variable as timestring and assigned datetime with timezone.
  • To convert the datetime with timezone to Unix timestamp.
  • I have used d = datetime.datetime.strptime(timestring, “%Y-%m-%dT%H:%M:%SZ”).
  • Here 2020 is the year, 2 is the month, 25 is the day, 23 is the hour, 51 is the minute and, 03 is the second.
  • The timetuple() is a method of datetime class that returns the attributes of datetime as a name tuple.
import datetime import pytz import time timestring = "2020-02-25T23:51:03Z" d = datetime.datetime.strptime(timestring, "%Y-%m-%dT%H:%M:%SZ") print("Unix_Time_stamp: ",(time.mktime(d.timetuple())))

We can see datetime timezone to UNIX timestamp as the output. You can refer to the below screenshot for the output:

Python Datetime to unix timestamp timezone

Python Unix timestamp to datetime

Here, we can see how to convert Unix timestamp to datetime in python.

  • In this example, I have imported modules like datetime and pytz and declared a variable, and assigned it as timestamp = 1613327400.0.
  • To convert the Unix timestamp to datetime, I have used datetime = datetime.fromtimestamp(timestamp).
  • To print datetime I have used print(“Unixdatetime =”, datetime).
from datetime import datetime import pytz timestamp = 1613327400.0 datetime = datetime.fromtimestamp(timestamp) print("Unixdatetime wp-block-image">
Python Unix timestamp to datetime
Python Unix timestamp to datetime

Format Unix timestamp python

Here, we can see the Format Unix timestamp in python.

The format of unix timestamp is 10 digits.

  • In this example, I have imported a module called datetime and time and declared a variable as datetime and assigned datetime = datetime.date(2020, 2, 15).
  • Here 2020 is the year, 2 is the month, 15 is the day
  • We can see the format of Unix timestamp by using print(“Unix_Time_stamp: “,(time.mktime(datetime.timetuple()))).

Example:

import datetime import time datetime = datetime.date(2020, 2, 15) print("Unix_Time_stamp: ",(time.mktime(datetime.timetuple())))

We can see the format of unix timestamp as the output. The below screenshot shows the output

Format Unix timestamp python

You may like the following Python tutorials:

In this tutorial, we have learned about Python DateTime to UNIX timestamp, and also we have covered these topics:

  • What is the Unix timestamp?
  • Convert DateTime to Unix timestamp python
  • Python DateTime to Unix timestamp milliseconds
  • Python DateTime to Unix timestamp 13 digits
  • Python DateTime to Unix timestamp UTC
  • Python DateTime string to Unix timestamp
  • Python datetime.now to Unix timestamp
  • Python datetime.date to Unix timestamp
  • Python DateTime to Unix timestamp seconds
  • Python Datetime to Unix timestamp timezone
  • Python Unix timestamp to datetime
  • Format Unix timestamp python

I am Bijay Kumar, a Microsoft MVP in SharePoint. Apart from SharePoint, I started working on Python, Machine learning, and artificial intelligence for the last 5 years. During this time I got expertise in various Python libraries also like Tkinter, Pandas, NumPy, Turtle, Django, Matplotlib, Tensorflow, Scipy, Scikit-Learn, etc… for various clients in the United States, Canada, the United Kingdom, Australia, New Zealand, etc. Check out my profile.

Источник

How to convert Python DateTime string into integer milliseconds?

In this article, we will discuss the various way to convert the python datetime string to milliseconds in python.

Using time.time() method

The time module in python provides various methods and functions related to time. Here we use the time.time() method to get the current CPU time in seconds. The time is calculated since the epoch which returns a floating-point number expressed in seconds. This value is multiplied by 1000 and rounded off with the round() function.

NOTE: Epoch is the starting point of time and is platform-dependent. The epoch is January 1, 1970, 00:00:00 (UTC) on Windows and most Unix systems, and leap seconds are not included in the time in seconds since the epoch.

We use time.gmtime(0) to get the epoch on a given platform.

Syntax

The syntax of time() method is as follows.

Returns a float value that represents the seconds since the epoch.

Example

In the following example code, we use the time.time() method to get the current time in seconds. We then multiple with 1000 and we approximate the value by using the round() function.

import time obj = time.gmtime(0) epoch = time.asctime(obj) print("The epoch is:",epoch) curr_time = round(time.time()*1000) print("Milliseconds since epoch:",curr_time)

Output

The output of the above code is as follows;

The epoch is: Thu Jan 1 00:00:00 1970 Milliseconds since epoch: 1662373873162

Using the datetime module

Here we use various functions that are provided by the datetime module to find the current time and convert this string to an integer millisecond.

Initially, we retrieve the current date by using the datetime.utc() method. Then we get the number of days since the epoch by subtracting the date 01-01-1670 (datetime(1970, 1, 1)) from the current date. For this date, we apply the .total_seconds() returns the total number of seconds since the epoch. Finally, we round off the value to milliseconds by applying the round() function.

Example 1

In the following example code, we get the current time in string and convert to an integer millisecond.

from datetime import datetime print("Current date in string format:",datetime.utcnow()) date= datetime.utcnow() - datetime(1970, 1, 1) print("Number of days since epoch:",date) seconds =(date.total_seconds()) milliseconds = round(seconds*1000) print("Milliseconds since epoch:",milliseconds)

Output

The output of the above example code is as follows;

Current date in string format: 2022-09-05 10:31:52.853660 Number of days since epoch: 19240 days, 10:31:52.853671 Milliseconds since epoch: 1662373912854

Example 2

The timestamp() function is used to convert a datetime object to milliseconds −

import time from datetime import datetime dt = datetime(2018, 1, 1) milliseconds = int(round(dt.timestamp() * 1000)) print(milliseconds)

Output

This will give the output

Источник

Оцените статью