QQ登录

只需要一步,快速开始

 注册地址  找回密码
查看: 2303|回复: 0
打印 上一主题 下一主题

Python处理日期方法大全、三十种方法

[复制链接]
字体大小: 正常 放大

1183

主题

4

听众

2909

积分

该用户从未签到

跳转到指定楼层
1#
发表于 2024-3-22 11:30 |只看该作者 |倒序浏览
|招呼Ta 关注Ta
使用 time 模块展示当前日期和时间
- C2 H1 m0 Y0 x4 ]5 k7 @import time
. j$ _0 m. [4 a( m+ u& dfrom time import gmtime, strftime# a0 b& S5 ~( ]  r: i8 L* n' y
* K2 h1 ^- O- G: C) H) S+ W
t = time.localtime()  ' E* }4 Q. c1 }2 P; }, E% G" t
print (time.asctime(t))  # Sun May 7 09:30:37 2017" E/ F( q8 V) o8 F! S
print(strftime("%a, %d %b %Y %H:%M:%S +0000", gmtime()))  # Sun, 07 May 2017 04:00:37 +0000
6 L# i; W1 v/ Iprint(strftime("%A", gmtime()))  # Sunday$ S& K& w- H6 N- W- G8 H+ ]
print(strftime("%D", gmtime()))  # 05/07/17- m9 M$ J) I* m9 B/ _5 Z) z
print(strftime("%B", gmtime()))  # May0 ^8 ?0 S8 ]2 Y# \* F) A) f
print(strftime("%y", gmtime()))  # 17
6 i) y+ A5 A" d7 Y( w- r2 o5 _3 z
+ q# |) p  m) i3 d+ D: u# Convert seconds into GMT date
. I0 m5 k7 h% Hprint(strftime("%a, %d %b %Y %H:%M:%S +0000", gmtime(1234567890)))  # Fri, 13 Feb 2009 23:31:30 +00002 S  F' \* y; X2 ?6 j7 a+ O& Z' K

& o% a. T8 g) e" A二、将天、小时、分钟转换为秒
& {% Q1 R$ e# q% _6 j' bSECONDS_PER_MINUTE = 60
7 g  C9 L( A1 U' }% USECONDS_PER_HOUR = 3600- K$ a& w% e# |, J
SECONDS_PER_DAY = 86400: V5 s: p/ C2 V1 q
4 B' ]/ b% |- q( |5 w5 r
# 输入天、小时、分钟、秒的数量, K1 @& |/ f$ O; P
days = int(input("Enter number of Days: "))& K/ \9 I# R; x: q9 |; p( v* m
hours = int(input("Enter number of Hours: "))
8 i2 _- N" q9 w  t, Y$ m* b8 Iminutes = int(input("Enter number of Minutes: "))  k, ~5 W! B* E/ _
seconds = int(input("Enter number of Seconds: "))
5 k/ x! P/ f; T% q6 q4 D7 f4 ]
/ }' |/ i( m! P& R# 计算
8 o; X5 `+ K2 o: Ltotal_seconds = days * SECONDS_PER_DAY. G& a% B8 t4 f* ?+ y  A
total_seconds = total_seconds + ( hours * SECONDS_PER_HOUR)
  n$ ^" k' X7 i' xtotal_seconds = total_seconds + ( minutes * SECONDS_PER_MINUTE)
5 X4 A1 r1 i) s. |1 O' ototal_seconds = total_seconds + seconds* T/ ]1 d) g! C, ]

) |" V" G0 B* m3 o! Q# 结果
' y4 d/ H5 ^& q6 q0 Y0 Cprint("Total number of seconds: ","%d"%(total_seconds))
8 K, H$ R" m4 M% C'''/ k6 A; \/ ]1 \  `7 X1 B' t
Enter number of Days: 5/ b8 e: g$ z7 I' D9 J$ Z  J
Enter number of Hours: 361 S2 J  M" T2 r
Enter number of Minutes: 24
5 @5 `9 t- S4 l- Q4 O8 lEnter number of Seconds: 15
& v0 n/ E. W; TTotal number of seconds: 563055
  w. b, q# X! N( L! \& ?'''7 V6 y/ M6 y' M: Z

/ Z4 S$ n" |7 O- E/ r三、使用 Pandas 获取当前日期和时间
& `- E* L: m  p' B- U' e9 I3 I! [import pandas as pd& j) o# Z/ t8 _1 c% v) Q7 A* U
print(pd.datetime.now())  # 2018-01-19 16:08:28.393553$ n2 h1 Z! n* |" Z  ^
print(pd.datetime.now().date())  # 2018-01-19' R5 H  u; x0 ^3 J  w1 T$ H
print(pd.datetime.now().year)  # 20183 {+ q  ~( F9 m! m" v
print(pd.datetime.now().month)  # 13 _5 S0 L8 n6 r& l7 K! r
print(pd.datetime.now().day)  # 19
9 j' C6 g; ?* b# `  A% Iprint(pd.datetime.now().hour)  # 16. F0 w# L: A4 p0 Z  F3 T
print(pd.datetime.now().minute)  # 8
( ?. `9 A: Y; f- `  gprint(pd.datetime.now().second)  # 28
% b8 W8 p2 _% w* jprint(pd.datetime.now().microsecond)  # 394553
4 ^  ?  y5 k# f9 s) K" j
6 @7 W0 c3 c8 S四、将字符串转换为日期时间对象6 W8 X2 f. K2 |# }+ e* g
from datetime import datetime. Z- T2 e& H& I6 K
from dateutil import parser
9 N1 q3 b+ t  u: z$ G- }: `
& J% z- k7 _: }d1 = "Jan 7 2015  1:15PM"% z' q' n1 N+ {6 b
d2 = "2015 Jan 7  1:33PM"
. B! ]+ b6 x. ]( ~5 I# T6 C8 |  D5 ]! l6 O# Z' U4 j
# If you know date format
: p/ l4 {4 U) m7 Ydate1 = datetime.strptime(d1, '%b %d %Y %I:%M%p')
4 b0 K! B( F9 C" H5 j( j; r# fprint(type(date1))  # class 'datetime.datetime'  n6 ^, U; h) `5 U7 D& d. C: S3 @9 G
print(date1)  # 2015-01-07 13:15:00: n% {0 r) C3 u$ c6 B$ n" M( q
7 Y" E& e3 y1 x) _% A) j
# If you don't know date format
# A3 k& T! q/ n5 i. |date2 = parser.parse(d2)7 r/ E* Y/ N) x% d: z4 |% ^
print(type(date2))  # class 'datetime.datetime'- t, f2 Y& k4 z, [# N
print(date2)  # 2015-01-07 13:33:00
$ D9 ]2 x% e. a% J+ _4 U/ \) N# `2 [; C5 [
五、以毫秒为单位获取当前时间
* \6 o% R5 p  `" pimport time
; E" F! Z' B7 X) G) x" A* p0 r5 }+ q  ^$ G3 R( D! v: E! d
milliseconds = int(round(time.time() * 1000))
- K  i( p8 `+ I  Bprint(milliseconds)  # 1516364270650
" m9 h- U' P- V. G5 K7 w' M0 d, v
+ `* [  y/ K% u  H六、以 MST、EST、UTC、GMT 和 HST 获取当前日期时间
+ a, `- T: ?2 N) Yfrom datetime import datetime
% H- n3 H5 h$ [0 o4 c3 ?6 nfrom pytz import timezone( D! P) e- N9 |4 Q7 \
7 T# V; D/ P) H1 e# g$ O
mst = timezone('MST')
2 P% ]$ d, G. [8 x4 X. r: W4 Yprint("Time in MST:", datetime.now(mst))  # Time in MST: 2017-01-19 06:06:14.495605-07:00
5 j4 V  }" u! i9 W5 p9 \est = timezone('EST')9 @4 _+ w# {+ g' @8 p
print("Time in EST:", datetime.now(est))  # Time in EST: 2017-01-19 08:06:14.496606-05:00' ~: y# L, g: \* `; ?- W
utc = timezone('UTC')
1 Z5 _2 B- @; F. l$ fprint("Time in UTC:", datetime.now(utc))  # Time in UTC: 2017-01-19 13:06:14.496606+00:00
1 A. g) N7 z9 t% M% k3 C7 |6 \gmt = timezone('GMT')
" o" _7 a8 F0 s( Q( Y* Q3 @print("Time in GMT:", datetime.now(gmt))  # Time in GMT: 2017-01-19 13:06:14.496606+00:00- o+ U, e! o9 d- V! m" |# j
hst = timezone('HST')4 ^! R5 J4 T( z9 j
print("Time in HST:", datetime.now(hst))  # Time in HST: 2017-01-19 03:06:14.497606-10:00. f- V  G1 X* j  N3 B6 k$ f: `6 ?
' M: C  ]* u! d! t$ }2 K& ?
七、从给定的日期当中获取星期几1 F/ G$ O+ N: S( @5 z7 {
import datetime
7 k/ ]- t7 E  y( L" f7 B
0 o& |, v1 e7 f# @) ydayofweek = datetime.date(2010, 6, 16).strftime("%A")
8 j7 }0 d( R7 X. \( m3 J8 G8 Oprint(dayofweek)  # Wednesday
0 @. ^* t7 C* K7 O
' M$ Q+ [6 J( N' G# weekday()方法: 0代表周一,6代表周日
/ c9 j" X; X6 Zprint("weekday():", datetime.date(2010, 6, 16).weekday())  # weekday(): 2
+ s! i! n& m8 Y  j  v! R: w& ]# z% i8 @
# isoweekday() 方法: 1代表周一,7代表周日
; P$ g+ N& n/ _% v+ Kprint("isoweekday()", datetime.date(2010, 6, 16).isoweekday())  # isoweekday() 3, j/ Z4 U* q" S7 m4 m

  v( H4 h$ V+ X9 b' M! l6 J" |* Kdayofweek = datetime.datetime.today().strftime("%A")
* [' v7 G1 @. b7 I. W/ vprint(dayofweek)  # Friday
- m! d/ w) z4 i" S3 q) s* eprint("weekday():", datetime.datetime.today().weekday())  # weekday(): 4
* n$ O$ K9 n# w6 Wprint("isoweekday()", datetime.datetime.today().isoweekday())  # isoweekday(): 5( T) n; g9 H! l6 n7 |$ `
: q4 k6 M' r: \" q" D! ?
八、计算两个日期时间对象之间的时差  Y5 j2 q$ h! r  f8 R! w/ N
import datetime
& v% C" C( Y8 Z( Nfrom datetime import timedelta( ?: k# I$ j* m
( F4 `9 X4 Z8 |+ P4 Q1 H
datetimeFormat = '%Y-%m-%d %H:%M:%S.%f'
/ V9 {. L. O# K* Idate1 = '2016-04-16 10:01:28.585'
9 R) i  w3 l3 w: R, fdate2 = '2016-03-10 09:56:28.067'
$ Z# w# w8 @% {4 R9 n$ a) ?diff = datetime.datetime.strptime(date1, datetimeFormat)\
7 O8 L$ Q: d, Z, E/ J; i    - datetime.datetime.strptime(date2, datetimeFormat)
3 i8 X" d2 h# d: S* h2 ?, f, u7 U3 R; c! r. ^  d$ [" s8 T  X3 G
print("Difference:", diff)  # Difference: 37 days, 0:05:00.518000
7 v! r5 M5 |% c2 R' K9 X. ?print("Days:", diff.days)  # Days: 37
9 J7 w8 f& e' y1 Vprint("Microseconds:", diff.microseconds)  # Microseconds: 5180009 m: M3 s- i! Y4 t. S3 @0 g
print("Seconds:", diff.seconds)  # Seconds: 300
2 f+ Q) ~  ]' X! s. n. A, \+ C- v, r3 U- i& B, K3 t
九、将 5 分钟添加到 Unix 时间戳
) t5 G% o5 [7 h. j" L2 [5 oimport datetime' X0 X" o( q' S6 s" G
import calendar
1 @9 f6 l' x! Y% ^* V( [( i' i$ X3 Q
4 b) J6 n/ X9 u4 v  Bfuture = datetime.datetime.utcnow() + datetime.timedelta(minutes=5)
- w2 ^- V8 n! G0 Qprint(calendar.timegm(future.timetuple()))  # 1621069619
  [# o6 o% c; o# l: U) P4 i
4 i) f0 p! j0 A十、遍历一系列日期
, _$ G  p. C8 yimport datetime
1 y6 H8 H+ `* _% x( ^' R# S. D8 P) K+ s6 P  ?  n
start = datetime.datetime.strptime("21-06-2020", "%d-%m-%Y")
& O; ^1 G* n* Z3 Z. g* Yend = datetime.datetime.strptime("05-07-2020", "%d-%m-%Y")+ y* O* u4 ?& H: O
date_generated = [start + datetime.timedelta(days=x) for x in range(0, (end - start).days)]" U# m" M  f9 d9 g/ W
- R' t) |( r( ?8 O' `
for date in date_generated:% A1 b" o$ P+ e& x8 R
    print(date.strftime("%d-%m-%Y"))
1 R- y* z  F# c0 J" w4 x. `  ~1 N5 Q, l) ], e. E
十一、巴黎时间更改为纽约时间- S$ V1 V$ T8 X6 F- M  W8 `% N
import pendulum
" A0 ?& H2 S- x9 N4 B2 K( T! q/ L# W1 a2 M# a( G2 |
in_paris = pendulum.datetime(2016, 8, 7, 22, 24, 30, tz='Europe/Paris')3 i! D4 T" n3 ^* `! b
print(in_paris)  # 2016-08-07T22:24:30+02:00+ p( r# p$ _4 f8 Y- E

) B1 s. i/ \. |3 S) e- l% Q0 V2 Yin_us = in_paris.in_timezone('America/New_York')* r$ ]& ^/ ]9 x9 v6 @) [$ b: B
print(in_us)  # 2016-08-07T16:24:30-04:00/ K$ l8 W7 z" z4 c5 a) s- w& q6 s
* D* D- u4 q4 S0 [& _# p: [" n
十二、使用 Python 获得最后7个工作日
2 ]; i7 M+ w0 cfrom datetime import date9 j7 l0 Q4 t+ F- b) K
from datetime import timedelta
( j0 K; S' D9 `  h6 f8 c
& D3 K  S- J; ^1 f6 D& Ptoday = date.today()
# d- w6 F' g. z5 K+ a
- \6 `, [0 ]/ Y! n6 ffor i in range(7):  i# K9 y0 Z+ S6 O+ Q, c
    d = today - timedelta(days=i)7 d$ d( y' p$ E; t) X
    if d.weekday() < 5:
( z8 a8 \8 r; R6 h. ^2 |* ^        print(d)
8 y& J8 {1 f8 ?  s: ?$ a* y2 R3 n' S$ P$ l& p/ x) ]9 V: o4 }2 ^
十三、从今天的日期和一个人的生日推算年龄6 [1 i6 [3 K) a/ Q' v
from datetime import date! q& @' O0 m8 f) [( `

! w% u; M6 a. V; v- m7 p5 u& ]8 f9 E+ q
def calculate_age(born):& V; _1 c) j7 j# D
    today = date.today()
' m1 ?; }; h$ x( h- p2 w    try:6 G( z5 U$ L) Q. K
        birthday = born.replace(year=today.year)/ w! R" J/ J( K
    except ValueError:# `, q  s' R, ~  j6 k7 F5 D& Y
        birthday = born.replace(year=today.year, month=born.month + 1, day=1)5 P+ A2 V) B( X4 k$ L
    if birthday > today:
- L: W) Q8 _2 J# G! w) R        return today.year - born.year - 1
) h7 t2 F1 h. d2 p    else:
. ~5 I+ p- p. I  P4 Z3 X        return today.year - born.year
: W8 K8 _* {' Y0 Z- c& s& W
8 T; F% Q/ t+ X$ K& Z, R* {2 H* b% L) T1 G9 i7 Z9 l1 F% @
print(calculate_age(date(2001, 3, 1)))
0 ?1 T7 X: \1 v7 m3 O% m/ e) k) i$ R  I  _8 p( x! x+ d- v% b7 q, f
十四、获得本月的第一个星期二: M4 {& U; g. ~# A1 s/ s
import calendar' m7 L2 I% q/ i# q* @) C2 x
from datetime import datetime5 _' N: |7 t4 s, ?  w

! b7 h7 {6 o6 B( x1 ~! e7 P% Oc = calendar.Calendar(firstweekday=calendar.SUNDAY)0 i$ B- {6 v' v$ Y7 k. t4 S2 k
monthcal = c.monthdatescalendar(datetime.today().year, datetime.today().month)% @7 R) p. Z3 Q9 m3 q- K3 {
#Python小白学习交流群:153708845  
9 @2 D' `8 R" }$ \try:- [* `2 ~( t+ y" E& i! [4 E' b
    tues = [day for week in monthcal for day in week if8 _/ A- W: r6 G4 N/ @& c
            day.weekday() == calendar.TUESDAY and day.month == datetime.today().month][0]7 I; y, `' t4 v7 b9 F% R
    print(tues)1 J+ Q* k# {7 [, b
except IndexError:. p( N  [4 L9 A4 n
    print('No date found')2 m9 X% z! b) i& D5 g7 P5 o
( c, P, p& e5 Z7 [
十五、将整数转换为日期对象0 b( T: O/ q) ]/ E, u% w) T3 \
from datetime import datetime; s- Y6 r  s" r8 M
" |9 b% n$ t: _  j5 k
i = 15457300732 ~  G/ l0 B9 A' W' N
timestamp = datetime.fromtimestamp(i)
! W; M2 a3 r9 o
0 d7 B0 s" K7 w" m$ l- N5 m# u3 Mprint(timestamp)  # 2018-12-25 14:57:53: U; m7 X9 o9 u) I( _" Z( H) y- a
print(type(timestamp))/ p, E( l; [2 x* I6 k% N

+ O' G6 k" A" X# G2 x' I2 \( h十六、当前日期减去 N 天的天数" w, O: H8 y, l: D) X
from datetime import datetime, timedelta
& Y: k% B( q: d: R5 I* C4 L* s$ M. D- j( F& p6 K2 N: h7 s
d = datetime.today() - timedelta(days=5)6 |+ s$ l2 ]* W& }) D
print(d)
/ \; v" c  h. @5 _/ {
* Z- a( m: c: ^0 j十七、比较两个日期
0 [0 O; u, L( l  B6 Vimport datetime
; j5 F. i( ?! ~4 G
( S3 ?( [+ n& k) L) ca = datetime.datetime(2020, 12, 31, 23, 59, 59)6 a4 i4 _' Y* g2 v! x; K+ |6 T
b = datetime.datetime(2020, 11, 30, 23, 59, 59)
& f( l9 Y0 v" h. X4 V; t5 d# f: G( Y( A5 f: ]
print(a < b)
( {7 V. g0 X9 G) u/ D% fprint(a > b)
) S% f- {, [* y
$ D% I9 U8 L" ]; k7 M/ Z十八、从 datetime 对象中提取年份
  J+ j$ C, ?" E/ A' Dimport datetime
( P) d1 _5 g8 p1 F2 F% z# _6 c; w
( W3 S! ^  z; |* E2 {3 @( N/ m! Ayear = datetime.date.today().year' Y+ ]. i, W, r& }7 K0 ?
print(year)
; e/ `( R9 Q: n/ q2 M& E& @: V- v) m
十九、根据日期找到星期几, q" K- w3 ^# R( l* q. y5 l
import pendulum
, C4 n4 Z/ ]) V& R+ O
3 w- S, X& C/ g- c. M& K% t9 mdt = pendulum.parse('2021-05-18')
- S; R1 Y: s5 g3 u% ?0 L9 vprint(dt.day_of_week)  # 2
: y! {+ P3 J$ e" @$ p, C$ Y4 W! e
- w; y* V5 K. S0 g6 \dt = pendulum.parse('2021-05-01')( M5 p8 D2 A8 K8 g6 G# Q" U
print(dt.day_of_week) # 6
2 W8 j& O, }" r1 p' U2 I) g. l, s; ^4 R* n
dt = pendulum.parse('2021-05-21')0 Q% w& u1 `: R6 N
print(dt.day_of_week) # 5
% {' d: j# n3 y  m& V+ ^- g$ f$ F
6 d  Y! }2 e' K% C' K二十、从当前日期获取 7 天前的日期
; ~0 \9 x2 ?' u3 e% l  @7 xfrom datetime import datetime, timedelta
* P6 `3 P8 ]: Z3 H4 F9 W% P9 x, G$ E$ \0 \8 V1 x6 [, j0 ]
now = datetime.now(), o9 }" B5 X+ T+ @# x+ z- f5 z

2 m6 o. w. [. @, ~3 \( U, v$ u5 Afor x in range(7):
2 U& Z# N$ J! Q; l7 k/ U    d = now - timedelta(days=x)  r) f0 W( g! o  R! h3 W
    print(d.strftime("%Y-%m-%d"))
% i8 [2 A' N9 O
' i/ r, F" v3 I3 u/ ?二十一、将两个日期时间对象之间的差值转换为秒
4 j3 P* t1 G) U  U4 K1 r& Kimport datetime
# E+ c7 D; o+ |1 B
3 T! j: E: D# W6 I, |1 l5 j" [time1 = datetime.datetime.strptime('19 01 2021', '%d %m %Y')
* L/ ?, m. d9 S' Stime2 = datetime.datetime.strptime('25 01 2021', '%d %m %Y')) ?6 c- U; J! J) j2 x" J/ s( [- @7 u
# o$ n( [: D3 |, X1 v8 i- M
difference = time2 - time1
7 I* Q, M8 ]. Q: d) k9 p; K8 |print(difference)  # 6 days, 0:00:003 z+ R' b* [9 c
4 i! I& V5 m* f" h
seconds = difference.total_seconds()- T+ _" C( r) `% t/ s" D
print(seconds)  # 518400.0$ R4 }! b( C) O* Z
4 K- L: a0 z0 K
二十二、获得任何一个月的第N个星期五: I. D+ Z* Y) z0 j8 ^! t
import calendar
  F4 P9 T$ [8 f1 _9 S2 c  |; x) K6 Y* b( L5 P
# 取2021年5月的第三个星期五
) E; t7 |  \; t+ H, |2 ]7 v5 U  Fc = calendar.Calendar(firstweekday=calendar.SUNDAY)
  i1 i/ P9 m3 i" I, P. Oyear = 2021
1 L; [, z# I) Y6 f9 u# z2 b9 h- H, b' ]month = 55 r0 l0 G& R8 b# K3 k+ ^0 v' A5 u) o
n = 2  # 取第三个2 T4 w( x4 B$ _' i; Y' t. {
monthcal = c.monthdatescalendar(year, month)6 {0 Y2 g. N) f& T) J5 B/ U
9 f3 o; S* |5 K, ^- q) j5 z& I" Q
try:
% Z6 C/ r2 J6 a4 `6 E: u    third_friday = [+ O) \5 d) S( n5 v0 F' Z  n
        day for week in monthcal 5 I2 X1 D; o# D8 v; _$ k- V
            for day in week if; r$ n6 Z- d" B8 ^* T8 V
                day.weekday() == calendar.FRIDAY and day.month == month
* d( a' o6 w$ ~+ z1 z+ N$ D9 _    ][n]7 k; ]7 \6 N# v5 E
    print(third_friday)  # 2021-05-21
  }' l$ H0 }$ h( pexcept IndexError:3 t6 T* f/ A6 Y2 U3 |: X
    print('No date found')
2 J9 u$ z7 t8 r3 {+ g
" `& s% M/ }4 Z二十三、根据周数获取日期
& w+ i$ }$ l% K8 u6 \  Mimport datetime6 @) ]9 K9 i  C$ n7 j1 |+ h' s
from dateutil.relativedelta import relativedelta
2 M: t# ^( B. K( E
+ N2 I- k/ j% V6 U7 n2 k& Yweek = 25
+ N  Z" t* [9 C1 l$ Myear = 2021' V0 L$ c8 ?  ^9 ]
date = datetime.date(year, 1, 1) + relativedelta(weeks=+week)% Q" R7 t% [$ D! v9 p- w
print(date)  # 2021-06-25$ C( H6 k& @0 D: R' j7 i. |! W

2 v" o: a5 O. I4 v3 z9 k二十四、获取特定日期的工作日% o" d! v$ U  _: U# A' g/ v* j' i
import datetime
- o2 I! s5 r; I* ?+ Z9 a& C1 ~3 Q& [7 {' q
print(datetime.date(2020, 5, 15).isocalendar()[2])  # 51 J( [" v7 X) D4 \
4 W6 _2 o! Y8 x/ K
二十五、创建一个 15 分钟前的 DateTime  U. y/ K1 k8 b/ a2 n2 o: L
import datetime
6 e! T! f  g, D#Python小白学习交流群:153708845  
$ V8 b, v- R2 J: a" _! b6 _; ndt = datetime.datetime.now() - datetime.timedelta(minutes=15)
/ y; s! }2 X& V* tprint(dt)  # 2021-05-15 22:25:55.897365
6 G8 A( ^9 j+ ?4 J* d
, g/ E/ N5 G$ M二十六、从特定日期获取周的开始和结束日期
1 ~6 ?2 k/ X$ K2 wimport pendulum
& c' \/ k' N! ~6 |$ p; |. G
; I' f  v# p% a" W" z# c3 Jdt = pendulum.datetime(2012, 9, 5)
: t6 {- |. c7 p9 X0 o' |
! u3 z3 [4 a& ostart = dt.start_of('week')4 H8 q, g% v& v7 ^! s
print(start.to_datetime_string())  # 2012-09-03 00:00:00; N& {, r9 H% M( [
& Z* v' D% I9 a8 p4 b$ m, l3 t# ]4 O
end = dt.end_of('week')
/ d& J) z' {2 z& w; v/ J) P* A* eprint(end.to_datetime_string())  # 2012-09-09 23:59:59! v# n: k: p; r0 L

2 t: y( c+ z! O) L: R6 ~二十七、两个日期之间的差异(以秒为单位)) f' r; h' a1 G5 L; \' T- g7 o
from datetime import datetime
( w! _7 E+ {; \) Y& z( h6 i#Python小白学习交流群:153708845
/ T) B; U3 v' ^8 Q6 h  ofmt = '%Y-%m-%d %H:%M:%S'
  @) W; G$ G. i  {& X2 p9 Wd1 = datetime.strptime('2020-01-01 17:31:22', fmt)/ g! u4 l( _+ [8 `: E3 y
d2 = datetime.strptime('2020-01-03 17:31:22', fmt)
: ?6 `# \* u9 ?! [7 e$ h( ^' \( o2 H
; g( h5 w8 `2 s+ `) ]6 s5 Zdays_diff = d2 - d1
! j% @3 V* _; _print(days_diff.days * 24 * 60 * 60)  # 172800
! S8 P5 M) T: t: v6 |/ s/ \2 ?) c! z& q
二十八、以这种格式获取昨天的日期MMDDYY6 Q) D; ]1 u' S0 I+ t1 R
from datetime import date, timedelta4 ?0 a3 n- x3 l6 h

4 s0 a3 B+ h1 F& H! ~7 o) I6 m# @1 Qyesterday = date.today() - timedelta(days=1)
* h6 p$ q2 [, i& D! U* oprint(yesterday.strftime('%m%d%y'))  # 051421
+ F* s* r  ~* `
; R- m9 t9 K1 {: X3 j5 {$ m% \二十九、根据今天的日期获取上周三的日期9 a, r5 K7 k8 U7 r+ x8 `2 c
from datetime import date% w& Z  s$ p# X* o& K# U
from datetime import timedelta
$ \" k. e: @5 R
4 L  u, s! M! ^2 g! M( M( z9 [* Ctoday = date.today()
: f% z( u1 c( F5 D% o3 Z2 u, m
offset = (today.weekday() - 2) % 7
, g$ {! j# j! x) x" Ywednesday = today - timedelta(days=offset)
( r2 [$ P! L+ \print(wednesday)  # 2021-05-12! [5 k# d1 [0 `
2 C9 {% v5 t+ ^
三十、所有可用时区的列表打印
+ C3 L. X# P3 y9 J' @$ R0 C0 t1 yimport pytz
. d, s. s7 [  N7 A
! K+ X) P. \+ k: L3 ~) E6 G) N: Gfor i in pytz.all_timezones:9 [# G$ X/ _8 w4 V" t5 T3 d' b
    print(i)
- W, S' v7 I& V6 C) r( N3 y! D" l. f- p
& D+ s3 Y( l: l3 P
  z) W# a+ X+ l& Q3 d2 z4 X1 R
zan
转播转播0 分享淘帖0 分享分享0 收藏收藏0 支持支持0 反对反对0 微信微信
您需要登录后才可以回帖 登录 | 注册地址

qq
收缩
  • 电话咨询

  • 04714969085
fastpost

关于我们| 联系我们| 诚征英才| 对外合作| 产品服务| QQ

手机版|Archiver| |繁體中文 手机客户端  

蒙公网安备 15010502000194号

Powered by Discuz! X2.5   © 2001-2013 数学建模网-数学中国 ( 蒙ICP备14002410号-3 蒙BBS备-0002号 )     论坛法律顾问:王兆丰

GMT+8, 2025-12-12 16:48 , Processed in 1.864204 second(s), 50 queries .

回顶部