What is python timestamp?

Python timestamp is a way of representing time, which represents the number of seconds from a specific time to a certain point in time. In Python, timestamps are usually represented as floating point numbers, which can be obtained and manipulated through the built-in time module. The application procedures are as follows: 1. Log processing; 2. Timing operations; 3. Scheduled tasks, etc.

The operating environment of this tutorial: Windows 10 system, Python version 3.11, DELL G3 computer.

Python timestamp is a way of representing time, which represents the number of seconds from a specific time (usually midnight UTC on January 1, 1970) to a certain point in time. In Python, timestamps are usually represented as floating point numbers, which can be obtained and manipulated through the built-in time module.

Python's time module provides a series of functions and methods for processing time. Among them, the time.time() function is a commonly used method, which returns the timestamp of the current time. For example, running the following code will print out the current timestamp:

import time
timestamp = time.time()
print(timestamp)

The output may look like: 1622423482.4509134, where the integer part represents the number of whole seconds since midnight on January 1, 1970, and the fractional part represents Number of milliseconds to append.

In addition to getting the current timestamp, you can also use the time module to convert the timestamp into a readable date and time format. In addition, the time module also provides some other functions and methods to support operations such as comparison, operation, and formatting of timestamps.

The following are some commonly used timestamp operation examples:

1. Convert the timestamp into a readable date and time format:

import time
timestamp = 1622423482.4509134
formatted_time = time.ctime(timestamp)
print(formatted_time)

The output result is similar to: Tue May 31 09:11:22 2021.

2. Get the current timestamp and round it to the nearest integer:

import time
timestamp = time.time()
rounded_timestamp = round(timestamp)
print(rounded_timestamp)

The output result is an integer timestamp.

3. Compare the sizes of two timestamps:

import time
timestamp1 = 1622423482.4509134
timestamp2 = 1622423490.275831
if timestamp1 < timestamp2:
print("timestamp1 is smaller")
else:
print("timestamp2 is smaller")

The output result will be judged based on the size of the timestamp.

4. Format the timestamp into a specific date and time string:

import time
timestamp = 1622423482.4509134
formatted_time = time.strftime("%Y-%m-%d %H:%M:%S", 
time.localtime(timestamp))
print(formatted_time)

The output result is similar to: 2021-05-31 09:11:22.

Timestamp is a very important and commonly used time representation method in Python. It can be used in many applications, such as log processing, timing operations, scheduled tasks, etc. For developers who need to process and compare time, understanding and using timestamps can greatly facilitate and simplify the program development process. .

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