Python 时间戳 时间计算

# -*- coding: utf-8 -*- 
"""
Project: pyWorkspace
Creator: Administrator -haochuang
Create time: 2021-05-12 09:24
IDE: PyCharm
Introduction:

"""

import time
import datetime


t=datetime.datetime.now()

#当前日期
t1 =t.strftime('%Y-%m-%d %H:%M:%S')
#转为秒级时间戳
ts1=time.mktime(time.strptime(t1, '%Y-%m-%d %H:%M:%S'))
#转为毫秒级
end_time=int(str(ts1*1000).split(".")[0])


#10分钟后
t2 = (t+datetime.timedelta(minutes=10)).strftime("%Y-%m-%d %H:%M:%S")
# t2=(t-datetime.timedelta(hours=1)).strftime("%Y-%m-%d %H:%M:%S")
#转为秒级时间戳
ts2=time.mktime(time.strptime(t2, '%Y-%m-%d %H:%M:%S'))
#转为毫秒级
start_time=int(str(ts2*1000).split(".")[0])

#print("\n","*"*30)
print("\n")
print("*"*30)
print("当前时间戳:")
print(start_time)
print("当前时间:")
print(time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(ts2)))
print("*"*30,"\n")

print("10分钟后的时间戳:")
print(end_time)
print("10分钟后的时间:")
print(time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(ts1)))

print("*"*30,"\n")

# -*- coding: utf-8 -*- 
"""
Project: pyWorkspace
Creator: Administrator -haochuang
Create time: 2021-05-12 09:24
IDE: PyCharm
Introduction:

"""

import time
import datetime


t=datetime.datetime.now()

#当前日期
t1 =t.strftime('%Y-%m-%d %H:%M:%S')
#转为秒级时间戳
ts1=time.mktime(time.strptime(t1, '%Y-%m-%d %H:%M:%S'))
#转为毫秒级
end_time=int(str(ts1*1000).split(".")[0])


#10分钟后
t2 = (t+datetime.timedelta(minutes=10)).strftime("%Y-%m-%d %H:%M:%S")
# t2=(t-datetime.timedelta(hours=1)).strftime("%Y-%m-%d %H:%M:%S")
#转为秒级时间戳
ts2=time.mktime(time.strptime(t2, '%Y-%m-%d %H:%M:%S'))
#转为毫秒级
start_time=int(str(ts2*1000).split(".")[0])

#print("\n","*"*30)
print("\n")
print("*"*30)
print("当前时间戳:")
print(start_time)
print("当前时间:")
print(time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(ts2)))
print("*"*30,"\n")

# 10分钟后的时间戳
print("10 分钟后的时间戳:")
print(end_time)
print("10 分钟后的时间:")
print(time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(ts1)))
print("*"*30,"\n")

# 用户自定义时间
time_user = input("需要多少分钟后的时间戳(请输入正确int类型数值):")
t3 = (t+datetime.timedelta(minutes=int(time_user))).strftime("%Y-%m-%d %H:%M:%S")
ts3=time.mktime(time.strptime(t3, '%Y-%m-%d %H:%M:%S'))
#转为毫秒级
start_time=int(str(ts3*1000).split(".")[0])

print(time_user + " 分钟后的时间戳:")
print(end_time)
print(time_user + " 分钟后的时间:")
print(time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(ts3)))
print("*"*30,"\n")

# -*- coding: utf-8 -*- 
"""
Project: pyWorkspace
Creator: Administrator -haochuang
Create time: 2021-05-12 09:24
IDE: PyCharm
Introduction:

"""
import time
import datetime
from datetime import timezone
from datetime import timedelta

# 显示当前秒级时间戳与毫秒级时间戳、微秒级时间戳
t = time.time()
#print(t)  # 原始时间数据
#print(int(t))  # 秒级时间戳
#print(int(round(t * 1000)))  # 毫秒级时间戳
#print(int(round(t * 1000000)))  # 微秒级时间戳


# 显示当前日期：
dt = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
dt_ms = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S.%f') # 含微秒的日期时间，来源 比特量化
print("当前日期(s):     " + dt)
print("当前日期(ms):    " + dt_ms)


# 将日期转为秒级时间戳
#dtt = '2018-01-01 10:40:30'
#dtts = int(time.mktime(time.strptime(dt, "%Y-%m-%d %H:%M:%S")))
#ts_ms = int(time.mktime(time.strptime(dt, "%Y-%m-%d %H:%M:%S")))
t=datetime.datetime.now()
print("当前时间戳(s):    " + t)
print("当前时间戳(ms):   " + (int(round(t * 1000))))


# 国际标准时间
print("国际标准时间:    "+time.strftime('%Y-%m-%d %H:%M:%S', time.gmtime()))
# 本地时间
print("本地当前时间:    "+time.strftime('%Y-%m-%d %H:%M:%S', time.localtime()))

# 将当前日期转为秒级时间戳
dt = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime())
dt_ts = int(time.mktime(time.strptime(dt, "%Y-%m-%d %H:%M:%S")))
print("当前时间:        " + dt)
print("当前时间戳:      " + dt_ts)

# 将获取十分钟后的秒级时间戳
#dt_10 = int((datetime.datetime.now()+datetime.timedelta(minutes=10)).strftime("%Y-%m-%d %H:%M:%S"))
#ts_10 = int(time.mktime(time.strptime(dt_10, "%Y-%m-%d %H:%M:%S")))
after10 = (datetime.datetime.now()+datetime.timedelta(minutes=10)).strftime("%Y-%m-%d %H:%M:%S")
after10_ts = int(time.mktime(time.strptime(t1,after10)))
print("10分钟后的时间:   " + after10)
print("10分钟后的时间戳: "

# -*- coding: utf-8 -*- 
"""
Project: pyWorkspace
Creator: Administrator -haochuang
Create time: 2021-05-12 09:08
IDE: PyCharm
Introduction:

"""

import datetime
import time

print('*'*30 +"获取时间方式")
#获取当前时间：Thu Nov 03 16:40:00 2016
print(time.strftime("%a %b %d %H:%M:%S %Y", time.localtime()))

#获取当前时间：2016-11-03 16:40:00
print(datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S'))

#获取年，月，日：2016-11-03
print(datetime.date.today())

#获取当前时间：2016-11-03 16:43:14.550000
print(datetime.datetime.now())

#不加参数是00:00,参数days=1表示一天:1 day, 0:00:00
print(datetime.timedelta(days=1))

#获取昨天日期：2016-11-02
nowtime=datetime.date.today()
oldtime=datetime.timedelta(days=1)
print(nowtime-oldtime)

#获取昨天的精确日期
oldtime=datetime.timedelta(days=1)
print (datetime.datetime.now() - oldtime)

print ('*'*30 + 'python时间处理之time模块')

import time
# 返回时间戳
# print(time.time())

# 返回当前时间
print(time.ctime())

# 返回一天前的时间
print(time.ctime(time.time()-86400))

# 函数返回time.struct_time类型的对象
time_obj = time.gmtime()
print(time_obj)
#结果：time.struct_time(tm_year=2016, tm_mon=7, tm_mday=27, tm_hour=8, tm_min=52, tm_sec=26, tm_wday=2, tm_yday=209, tm_isdst=0)
# 格式化输出：
print(time_obj.tm_year,time_obj.tm_mon,time_obj.tm_mday)

print("{year}-{month}".format(year=time_obj.tm_year,month=time_obj.tm_mon))

# 以time.struct_time类型，打印本地时间
print(time.localtime())

# 转换成时间戳
time_obj = time.gmtime()
print(time.mktime(time_obj))

# 延时2秒
time.sleep(2)

# 打印UTC，世界标准时间，北京时区是东八区，领先UTC八个小时
print(time.strftime("%Y-%m-%d %H:%M:%S",time.gmtime()))

# 本地时间
print(time.strftime("%Y-%m-%d %H:%M:%S",time.localtime()))

# 把time.struct_time类型时间，转换成时间戳
tm = time.strptime("2016-05-6 15:06:33","%Y-%m-%d %H:%M:%S")
print(tm)
print(time.mktime(tm))


print ('*'*30 + '3-python时间处理之datetime模块')

import datetime

# 打印当前，年，月，日
print(datetime.date.today())

# 打印当前时间，精确到微秒
current_time = datetime.datetime.now()
print(current_time)

# 转成time.struct_time格式时间
current_time = datetime.datetime.now()
print(current_time.timetuple())

# 加十天
print(datetime.datetime.now() +datetime.timedelta(days=10))
# 减十天
print(datetime.datetime.now() +datetime.timedelta(days=-10))
# 减十个小时
print(datetime.datetime.now() +datetime.timedelta(hours=-10))
# 加120s
print(datetime.datetime.now() +datetime.timedelta(seconds=120))

# 替换成指定的时间
cr_time = datetime.datetime.now()
print(cr_time.replace(2014,9,12))
# 结果：2014-09-12 17:28:17.522893

# 格式化输出
print(datetime.datetime.strptime("21/11/06 16:30","%d/%m/%y %H:%M"))

# 替换成指定时间后，类型是<class 'datetime.datetime'>
current_time = datetime.datetime.now()
time_obj = current_time.replace(2015,5)
print(time_obj,type(time_obj))
# 结果：2015-05-27 17:34:13.350245 <class 'datetime.datetime'>

# 对比时间大小，取指定时间范围使用
current_time = datetime.datetime.now()
time_obj = current_time.replace(2015,5)
print(current_time>time_obj)

import datetime
def getYesterday():
    today=datetime.date.today()
    oneday=datetime.timedelta(days=1)
    yesterday=today-oneday
    return yesterday

# 输出
print(getYesterday())

# -*- coding: utf-8 -*- 
"""
Project: pyWorkspace
Creator: Administrator -haochuang
Create time: 2021-05-12 09:24
IDE: PyCharm
Introduction:

"""
import time
import datetime
from datetime import timezone
from datetime import timedelta

# 显示当前秒级时间戳与毫秒级时间戳、微秒级时间戳
t = time.time()
print(t)  # 原始时间数据
print(int(t))  # 秒级时间戳
print(int(round(t * 1000)))  # 毫秒级时间戳
print(int(round(t * 1000000)))  # 微秒级时间戳


# 显示当前日期：
dt = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
dt_ms = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S.%f') # 含微秒的日期时间，来源 比特量化
print(dt)
print(dt_ms)


# 将日期转为秒级时间戳
dt = '2018-01-01 10:40:30'
ts = int(time.mktime(time.strptime(dt, "%Y-%m-%d %H:%M:%S")))
print(ts)


# 将秒级时间戳转为日期
ts = 1515774430
dt = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(ts))
print(dt)

# 时区转换
# 显示UTC时间
utc_now = datetime.datetime.utcnow()
print(utc_now)
# 世界标准时间
# utc_time = datetime(2019, 7, 30, 7, 50, 0)
print(datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S'))
# 北京时间UTC+8
# cst_time =utc_time.astimezone(timezone(timedelta(hours=-8))).strftime("%Y-%m-%d %H:%M:%S")

# 国际标准时间
print("国际标准时间:"+time.strftime('%Y-%m-%d %H:%M:%S', time.gmtime()))
# 本地时间
print("本地时间:"+time.strftime('%Y-%m-%d %H:%M:%S', time.localtime()))